Restek hplc column comparison. Compare Compare Items.
Restek hplc column comparison. Cannabinoid Reference Standards; .
Restek hplc column comparison Restek HPLC Columns. 7 μm total diameter Poroshell HPLC Column Selection A Comparison of Reversed-Phase Columns Based on the widely accepted work and data of Drs. Pinnacle® II PAH HPLC columns are developed specifically for challenging analyses of polycyclic aromatic hydrocarbons (PAHs). Method development is less laborious and time- including orthogonal phase chemistries like polar-embedded, phenyl, and fluorophenyl columns. Conventional HPLC column built to Learn More About Featured Restek Products. As particle size decreases, efficiency increases, and more resolution is achieved. com • www. com A. 50 mm x 3 mm HPLC Column: Expand. GC Column Equivalents This new breed of chromatographic column allows you to more easily achieve peak separation and faster analysis times with existing HPLC and UHPLC instrumentation. Capillary GC Columns; Comparison Chart Agilent, Restek, Phenomenex . European Pharmacopoeia (EU) methods tend to be vague in their description for column requirements, which can make choosing the correct column a little tricky. Melinda HPLC Columns; Restek; Force; Force. If you’re running other applications, use our Pro EZGC Chromatogram Modeler to find the best Restek GC column for your analyte list. Chromatography Columns. www. The application automatically extracts the retention times of the standards and calculates Column temperature can impact peak shape, retention, and backpressure. InertSustainSwift C18 is also ideal for LC-MS and LC-MS/MS methods which offer highly sensitive results and enables MS compatible buffers to be used due to the extremely inert silica gel. All Restek column hardware is made from 316 stainless steel. When storing for longer term intervals (more than 2 days), it is always best to consult the column handling instructions for a given column. Restek Corporation manufactures a variety of columns for reversed phase or normal phase applica- tions. 156 www. 7 μm solid core • 0. 0 . Restek liquid chromatography (LC) columns are trusted by labs worldwide for easy, fast, and accurate results. 25. In this post, we ask whether your LC column temperature should be controlled and look at the various methods available to do so. USP L## packings for HPLC columns L PACKING BRAND NAME MANUFACTURER/ VENDOR L1 Octadecyl silane chemically bonded to porous or non-porous silica or ceramic micro-particles, 1. 6. Advanced Chromatography Technologies (ACT) Column Selectivity Database Select filters to narrow down the list of stationary phases. Tosoh BioScience. Sign up for news, tips & more. Contact Us. Company Info. 1 mm internal dimension column. Restek offers three guard column systems: EXP guards for Raptor and Force In all cases, be sure to only use HPLC-grade chemicals in the Monitor system pressure without an HPLC column in line. Quick view Add to Cart. 1 mm). We cover certificate of analyses (CofAs), discuss the different column end-fittings you can use, share how to condition your column for your mobile phase, and Pinnacle DB IBD, 1. Home / Liquid Chromatography / LC Columns / Analytical LC Columns / HILIC-Si / Raptor HILIC-Si, 2. uk Phone: 01494-563377 to at least 3,000 injections. ThermoFisher Scientific. RTK-9639575 - Force FluoroPhenyl 5um 250 x 4. 7 µm Temp. Compare performance between Agilent GC columns & GL Sciences GC columns. 11-Deoxycortisol 3. To demonstrate the powerful resolving capabilities of Raptor ARC-18, a 50 x 3 mm, 2. The inert hardware column showed a significant increase in sensitivity for almost all of the compounds tested. com 16 Cannabinoids on Raptor ARC-18 2. and hydromorphone was empirically determined to be R = 3. 9 µm, 100 x 2. 5 μm frits. Today I will be discussing how to prevent LC column clogs and increase your column’s lifetime. Compatible with both HPLC and UHPLC instruments. Remove This Item; Compare. The results for all compounds analyzed using the inert column hardware and 0. You’ll need to flush out the storage solvent and equilibrate the column to your solvent mixture, and you may need to use an intermediate solvent to ensure complete mixing and flushing. Zirchrom Separations . USLC™ Columns: Selectivity Choices Accelerate Method Development Separations Restek USLC™ columns offer the widest range of selectivities available and are an integral part of successful method development (Figure 3). Clear All. Force C18 LC HPLC Columns (USP L1), Restek; To compare product details, select up to 3 alternatives below and click Compare Selected. The Restek Aqueous C18 is a rugged, reversed-phase column with a well-balanced retention profile. Package Size. 1 mm HPLC Column. Guard columns & retention gaps are used widely in gas chromatography (GC) but the differences between them are not always understood. RESTEK MXT-1HT SimDist Column better than the column with the worst plate generation rate (Sunshell 2. Unlike decades ago when packed columns were found in most analytical laboratories, there is an entire new generation of analytical chemists who may have no experience with packed columns. , 2. Find and compare more than 140,000 HPLC columns, specifications, manufacturers, prices, application methods etc. # 9314A65) Dimensions: 150 mm x 4. J&W, CP-Sil, Varian, Chrompak & More HPLC Columns; HPLC Instruments; HPLC Accessories; Promotions. HPLC Columns . Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or "core-shell" particles) with the resolution Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications. An overview of Restek's full offering of HPLC and UHPLC columns, specialty columns, and large molecule columns. 1mm B. Connect With Restek. Column Comparison Chart for UPLC, UHPLC, and HPLC columns at pH7. GNAR3936 Accurate column length can be determined by counting the number of column loops on the cage and multiplying that number by pi, then multiplying by the column diameter on the cage (e. From sample collection and introduction to separation and quality control, Restek GmbH supplies not only individual products, but complete solutions based on Restek-developed technologies. Which Waters Column is right for You? Below you will find a list of columns based on manufacturer and the Waters Column recommendation. • Simple, easily transferable isocratic method. Restek: Phenomenex: Quadrex: Alltech: High-Performance Columns: SH-I-1MS: 100% dimethyl polysiloxane: G1, G2, G38: HP-1ms UI, Apply Force LC columns to all of your HPLC and UHPLC instrument platforms. Pore size (µm) Technique. It also predicts new retention times and calculates critical pair resolutions to determine if a new column and method will deliver the performance you need Restek. To simply things, I listed the Restek HPLC columns that best match the columns (phases) listed in the European Pharmacopoeia “Reagents” chapter. What types of guard columns do you offer, and how are they deactivated? Force C18 LC HPLC Columns are traditional end-capped C18 columns, ideal for general-purpose use in reversed-phase chromatography. Comparison Chart Agilent, Restek, Phenomenex. Rtx-CLPesticides columns are specially designed to overcome the coelutions and analyte breakdown typically encountered in chlorinated pesticide analyses for EPA Methods 8081, 608, and CLP. This will be used as a baseline for comparison as your column ages. Troubleshoot quickly and effectively based on chromatographic Step #1: Select a Column to Compare : Select a column to compare from the list below. An example of an inappropriate solvent or sample would be an aldehyde or ketone solvent Description. Lloyd Snyder and John Dolan. 52002: L × I. Resource Hub. The USP Database was developed by the USP Working Group on Column Equivalency using the NIST SRM 870. The Restek ® Aqueous C18 is a rugged, reversed-phase column with a well-balanced retention profile. Peaks 1. the septum, the septum purge, the split vent, the liner, and the column. USP G27 and G36 Longer Column Lifetimes. Easy scale-up from Restek analytical columns. Famous brands made by Restek are Raptor®, tool for choosing reversed phase HPLC columns based on peak capacities and column selectivity of polar and nonpolar compounds. A 105-meter column can separate the light gases specified in EPA methods without subambient cooling. My Account. Catalog No. Featured. Please double check "Restek Liquid Chromatography (LC) Columns — Usage & Care" to make sure your analysis is compatible with the column phase. restek. To select multiple values within a box, hold down 'Ctrl' while selecting values within the box. Estradiol 4. 7 µm Instrument HPLC • Baseline resolves 16 cannabinoids. Since prep HPLC columns are more expensive and have limited availability, we ask that you first develop your method on an analytical column of the same phase. The Restek IBD is a polar-embedded column that acts as a strong hydrogen bonder and may be the Table 2 lists Restek special-purpose stationary phases. Particle Size. Restek’s Routine LC Maintenance guide is a helpful starting place when developing or and comparison to an established “normal” state www. Requires method development on analytical scale first. General-purpose columns for semivolatiles, phenols, amines, etc. • Select Poroshell columns for more rapid mass transfer and improved efficiency of large peptides and proteins at higher flow rates. Jamaica. Figure 2 illustrates the extreme stability of acrylamide retention time achieved with the Allure Acrylamide column compared to a representative PGC column, which shows loss of retention almost immediately and ultimately fails the 1. 8 µm UHPLC, so you can easily transfer and optimize methods. Testosterone InertSustainSwift C18 columns are designed to deliver rapid separations with symmetric peaks to minimize analysis time as much as possible. 5u m: > 145,000 plates/metre 5um HPLC Columns; SPE Cartridges; GC Columns; Gel Filtration (SEC) Syringe Filters; Dry Column Chromatography (DCC) Desiccants; Contract Lab Services; Restek SGE Sorbtech; HP-5, DB-5, CP-Sil, 8 CB: ZB-5: SPB-5: Rtx-5: BP5: Optima 5: DB 5-HT, VF-5HT: ZB 5-HT: Rxi-5HT: HT-5: Optima 5-HT: HP-5ms, HP-5ms UI, DB-5 Ultra-2, CP Sil 8 CB: To order a Restek column in a 5-inch cage for an Agilent 6850 instrument, add the suffix -6850 to the catalog number for the column. 7 μm core-shell particles provide Raptor performance and the Having a baseline to compare your actual pressure against can be a tremendous help in identifying a problem and diagnosing it. Flushing HPLC and UHPLC columns in the direction shown on the column with a series of solvents can be an effective way to remove both chemical contaminants and particulates that have formed clogs. Incompatibility with column phase- This is not encountered frequently, but should be mentioned, nonetheless. 6mm $1,089. 6 mm, are more robust and easily transferrable from instrument to instrument over a 2. We offer LC columns for the latest UHPLC systems as well as for your tried-and-true HPLCs. Restek. Capillary GC Columns; GC Accessories; Helium Leak Detector. These These conventional HPLC columns provide exceptional performance, and are available in a variety of phases, covering 98% of USP methods from food to pharma. Part 1 of this two-part editorial by Jaap de Zeeuw reviews the use of retention gaps & discusses critical factors affecting performance. Conditions are as follows. English. Columns with 2. Gas Chromatography. 6mm Scaling down Rugged and reliable, Force LC columns are fully scalable between 3 or 5 µm HPLC and 1. Shodex. Columns with these phases are our first recommendations for the applications noted. % Efficiency vs # of Injections Boldenone 5. 8 μm on the Column Material. 1% Formic acid in acetonitrile Mobile Phase Flow: 0. Optimize separations for the best balance of resolution and speed. The maximum pressure capabilities for different Column Comparison Chart for UPLC, UHPLC, and HPLC columns at pH7. These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, To order a Restek column in a 5-inch cage for an Agilent 6850 instrument, add the suffix -6850 to the catalog number for the column. Whether you’re running a 3 or 5 μm column on an older HPLC or a 1. Hey everyone, welcome to another Restek tip. India Globally. Sometimes it can even affect the column's ability to resolve certain analytes. 6 mm ID Particle Size: 2. SDS & COA Search Since potency testing is routinely performed by HPLC-UV, larger internal dimension columns, such as 3. Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or "core-shell" particles) with the Calculating Splitless Time using Restek’s EZ GC Method Translator; Split vs. 10. Compare With Raptor™ LC columns, Restek chemists became the first to combine the speed of superficially porous particles (also known as S PP or P. Tuesday, February 27, 10:00–10:30 a. All data being displayed was generated by the column manufacturers after evaluation of the chromatographic phase. To add items to your cart, enter a quantity and click Add to HPLC Columns ACE® UHPLC and HPLC columns are available through our international distributor network: UHPLC and HPLC Columns www. 7 µm, 150 x 2. The general-purpose Restek C18 is a conventional monomeric octadecylsilane column suitable for analyses of a wide range of compounds from acidic through slightly basic. GL Sciences USP Code Phase Agilent Restek Trajan Phenomenex Thermo Fisher Scientific Merck/Supelco Kanto Chemical Shinwa Frontier Learn how to choose the right GC column the first time, optimize separations for the best balance of resolution and speed, and troubleshoot quickly based on chromatographic symptoms. 0 mm or 4. Sherry Sponsler Sherry is an Applications Chemist and has been with Restek since 1990. USP G27 and G36 phase equivalents Because of the difference in flow restriction, individual columns have very different flow characteristics. 250mm High column efficiency 3. Sample Preparation ; General-purpose columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners, essential oils, semivolatiles. Ultra IBD, 3 µm, 150 x 4. There are multiple configurations of guard columns just within Restek’s own catalog, so how do you distinguish them? Guard columns are designed to match with different LC column lines and for different techniques. com ACE ® These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, ruggedness, and performance you demand for all of your conventional HPLC applications. 80, roughly a 10% difference, but erring on the conservative side when it comes to critical pair resolutions In this work, different column dimensions of the Raptor ARC-18 phase were utilized to develop methods to meet various labs’ needs using HPLC-UV. 6mm $804. We offer LC columns for the latest UHPLC systems as well as for your tried Analytics-Shop is a specialist dealer for Restek HPLC as well as UHPLC columns and offers you the whole product range of Restek HPLC columns, as well as Restek accessoires for HPLC. Ion Exchange Columns ; SEC Columns ; C8 & C4 Columns ; C18 Columns ; C8 and C4 HPLC Columns ; C30 Columns ; PFP & Phenyl Columns / HPLC ; Cyano HPLC Columns ; HILIC Columns ; Normal Phase HPLC Columns ; Size Exclusion Chromatography (SEC) Columns / SEC HPLC Columns ; Ion Exchange Chromatography Columns / HPLC ; Reversed only moderate changes in retention rather than significant differences in selectivity. The retention times are drastically increased when using a new column which seems to tell me that the analytes are adhering more strongly to a new column and taking longer to elute out compared to a column that has been used and conditioned. This is due to the effects of instrument extra-column volume. low-polarity phase; Crossbond diphenyl dimethyl polysiloxane. Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Compare Tool. Comparison of signal intensity on traditional column hardware versus inert hardware. Analysis of Mushroom Alkaloids and Their Metabolites Using a Bioinert Column by HPLC-UV. Sample Preparation. Force LC columns from Restek are designed and manufactured to handle high-pressure, high-stress conditions. It can effectively retain more types of solutes than a conventional C18 and is ideal for multicomponent LC Raptor LC columns combine the speed of superficially porous particles (i. 21. Restek: Phase Composition (USP Nomenclature) Restek’s Max Temps* Agilent: Phenomenex: Rxi-1HT, Always inject a test mix and compare it to previous data Superficially Porous Column Technologies • Efficiency ≈ 90% of sub-2 µm • Pressure ≈ 40-50% of sub-2 µm • N ≈ 2X 3. The maximum pressure capabilities for different Column Selectivity Database Select filters to narrow down the list of stationary phases. 1 mm Combine selectivity and efficiency by using Restek Pinnacle DB UHPLC columns. Home / Liquid Chromatography / LC Columns / Analytical LC Columns / C18 / Raptor ARC-18, 2. Refine Results. Use the icon to add a product to your compare list. Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or "core-shell" particles) with the resolution of Before you can use a new LC column to perform analyses, there are a few important steps you need to do to prepare it for its new life in your lab. 7 µm column was used to analyze 7 cannabinoids including CBD, CBDA, delta-9-THC, delta-8-THC, (6aR, 9S)-delta-10 Description. Choose the speed, efficiency, and long-lasting ruggedness of the Raptor C18 column. She Raptor ARC-18, 2. This chart provides an overview of Restek’s full offering of HPLC and UHPLC columns, specialty columns, and large molecule columns. 116 RPB (C8 / C18 multi-alkyl) columns (USP L42) Designed for R eversed P hase separation of B asic materials Ultra pure base deactivated porous silica Exhaustive endcapping Unique selectivity 3. 5 μm diffusion path • 2. Inner diameter (ID) of the LC column in millimeters (mm). Air & Gas Sampling. Lori ensures product quality and consistency that are characteristic of all Restek products. The theory “more retention with thicker film" does not apply here, as shown in the following figure: Figure 1 - Solvent mix on Rxi-624 Sil MS. Roe, Chromatographic classification and comparison of commercially available reversed-phase liquid chromatographic columns containing phenyl moieties using principal Compare performance between Restek C18 columns & GL Sciences HPLC columns. To order a Restek column in a 5-inch cage for an Agilent 6850 instrument, add the suffix -6850 to the catalog number for the column. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications. Pinnacle™ DB Biphenyl 5μm, 150 x 4. Liquid Chromatography. Restek Ultra HPLC Columns. View. Stationary Phase Category: C18, octadecylsilane (L1) Ligand Type: End-capped C18 Roc C18 HPLC Columns (USP L1), Restek; Roc HPLC columns are built to be the cornerstone for your LC lab. Figure 4. Combine selectivity and efficiency by using Restek Pinnacle DB UHPLC columns. RTK-9309A55 - Raptor Biphenyl 2. Chromatogram Library Comprehensive database of hundreds of chromatograms from applications Raptor Biphenyl, 2. com Advanced Chromatography Technologies Limited, 1 Berry Street, Aberdeen, AB25 1HF, Scotland Tel: +44 (0) 1224 704 554 • Fax: +44 (0) 1224 841 301 • email: info@ace-hplc. FFAR3688-UNV, Restek Corporation, 2022. A typical example are the different column dimensions of the 624 phases for volatiles, e. GC Column Cross-Reference: Columns by Phase; OEM D2, Deuterium Lamps for HPLC ; D2 Deuterium Lamps and HCL lamps for AAS/ HPLC (alternative Products) Restek Best Selling product for Agilent GC System; SGE Product for Agilent Liners Deactivated Liners For Agilent 7890, 6890, 6850, and HP4890, 5890; HPLC Column List by USP, Manufacture, Phase If you are using a Restek GC column and would like to upgrade to an Agilent J&W column, this GC column cross-reference guide will make your conversion easy. About the PQRI approach; Compare Columns Figure 2 Differences in saturation within the carbon rings and the identity and position of functional groups create numerous structural variations among steroids. HPLC Column Selection Guide INNOVATIVE PRODUCTS Restek Corporation manufactures a variety of columns for reversed phase or normal phase applications. Use the Restek Method Translator Lori joined Restek as a Fused Silica Manufacturing Chemist. D. Regis HPLC Columns Restek HPLC Columns Sepax HPLC Columns Shiseido HPLC Columns Shodex HPLC Columns Sielc HPLC Columns based on the correlation by calculating the selectivity (S) statistic for the comparison [2]. 1,2 Grace has developed this column selection tool for choosing reversed phase HPLC columns based on peak capacities and column selectivity of polar and nonpolar compounds. A retention index is a mathematical Restek LC columns offer high-quality performance for liquid chromatography applications. Popular bonded phases. Just like HPLC columns, cartridges have a maximum pressure they can withstand. Restek’s 2. Hide. Connect with Restek. Capable of both reversed-phase and HILIC separations; Compare Compare Items. A column which contains particles is very different than a WCOT (Wall-Coated Open Tubular) column (also known as liquid phase capillary column). 116 25. UHPLC and HPLC Columns; GC Columns; Customise GC packed column; GC Gas Filters; Vials and accessories; You have not added any product to your compare list yet. YMC. 7 μm Raptor particles and columns with other particles greater than 3 μm in diameter have 2 μm frits. Page 1 of 1. Raptor HILIC-Si, 2. Chromolith ® RP-18 endcapped (monolithic) HPLC Columns. Table 3 lists stationary phases we recommend for environmental analyses by US EPA methods. An exceptional value, Roc columns are priced for bulk use in routine analyses and large-volume workflows. Columnas GC . Compare Compare Items. Raptor ARC-18, 2. Figure 1 shows how the column GC Column Equivalent List - Comparison Chart Agilent, Restek, Phenomenex. Columns by phase cross-reference chart for GC columns. Restek LC column end fittings are compatible with Valco, Parker, Upchurch, Swagelok, and other brands of 10-32 size fittings. They allow for more consistent gas flows and Restek. 1 mm ID Particle Size: 2. Optimize or modify existing methods reliably and without guesswork. Easily compare column silica specifications, If you’re running other applications, use our Pro EZ GC Chromatogram Modeler to find the best Restek GC column for your analyte list. 7µm • 2 µm frit to reduce clogging • P limit = 600 bar for HPLC or UHPLC • Particles • 1. The uniform spherical shape of Restek silica allows optimal packing, for better reproducibility and lower back pressure, resulting in extended column life. Inner Diameter. This sets the background for Part 2, which details guard columns & introduces a new segment coating To use it, you simply run a standard test mixture on your reversed-phase HPLC column and load the LC-MS data file into the LC-MS Column Tester application. Compare Product No. • Select wide-pore columns for lower molecular weight molecules with large hydrodynamic volumes. Petersson, W. Rxi-624Sil MS. m. Allure, Raptor, Ultra & More . In contrast, Figure 4 shows results for columns made using our Rt-QS- Restek’s PLOT columns are exceptionally robust, featuring concentric stabilized coating layers. 2mm Column lengths 10 . Cyano Column 25. HPLC Column Selection A Comparison of Reversed-Phase Columns Based on the widely accepted work and data of Drs. The choice of stationary phase depends on the range of PFAS being monitored, and a Raptor C18 column is an excellent choice for PFAS down to C3 chain lengths. In contrast, efficiency is directly proportional to the column length (Figure 2); therefore, an analyst can keep the same resolution and decrease the length of the column by the same factor as the particle size, shortening the analysis time. The general-purpose Restek C18 is a conventional monomeric octadecylsilane column suitable for analyses of a wide range This new breed of chromatographic column allows you to more easily achieve peak separation and faster analysis times with existing HPLC and UHPLC instrumentation. Restek LC Columns. A review was published in Pharmacopeial Forum 31(2), pp. Conditions were adapted to the inner diameter respectively. 7 µm, 100 x 3. Analytics-Shop a specialist dealer for Restek HPLC columns and offers you the entire product For such columns, it is preferable to have a higher flow rate pump to match the flow requirements of a preparative column. What types of guard columns do you offer, and how are they deactivated? Chromatographic conditions for Table I and Figure 4 All columns are C18 stationary phase (5 µm, 150 x 4. Need help? 1-310-984-1946 or Live Chat. Home / Liquid Chromatography / LC Columns / Prep LC Columns / C8 / Ultra C8 HPLC Prep Column, 5 µm, 100 x 30 mm. Campbell, W. 7 µm, 50 x 3. Let’s rewind and go through what Improved resolution and faster analyses, compared to 1701 or phenyl phases, make these the pesticide columns of choice. Table 4 lists retention indices for test compounds on the stationary phases characterized in Table 1. 6 mm. Restek general performance chromatography columns support a multitude of separation mechanisms and instrumentation for GC techniques. Restek Force FleuroPhenyl Columns. The Restek IBD is a polar-embedded column that acts as a strong hydrogen bonder and may be the most Ultra Amino, 3 µm, 100 x 3. LC column length in millimeters (mm). Biphenyl LC columns from Restek provide heightened selectivity and retention for compounds that are hard to resolve or elute early on C18 and other phenyl chemistry columns. Recommended GL Sciences equivalent for Phenomenex C18 Columns: Restek ; Supelco ; Fortis ; Genius Cosmicsil ; Develosil ; Macherey . Back to top of page. DOWNLOAD EZGC Method Translator and Flow Calculator For Windows 10/8/7/Vista/XP. Description Pricing; 1. What types of guard columns do you offer, and how are they deactivated? Contact Us When choosing a PFAS LC column, a 2. About Us Careers Events Philosophy & Culture Locations & Facilities Media Kit History Find a Distributor. Restek has led the development of the unique USLC® column set across these phase classes to provide Pinnacle® II PAH HPLC Columns, Restek. 0 mm HPLC Column. To order an MXT column with a 3 1/2" OD, add the suffix -273 to the catalog number of the column. Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or "core-shell" particles) with the These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, ruggedness, and performance you demand for all of your conventional HPLC applications. 5 µm (totally porous) • d p = 2. 7 µm, 150 x 4. Restek Allure ® C18 1. Home / Liquid Chromatography / LC Columns / Analytical LC Columns / Ultra IBD, 3 µm these columns are designed for selective and reliable HPLC applications. Browse a selection of general purpose columns HPLC Columns; Agilent HPLC Columns; Agilent BioHPLC; Agilent for GPC/SEC; Concise Separations; Hamilton; Imtakt; Regis; Compare Compare Items. She is involved with the design and production of new products including capillary chiral columns. Compare performance between Phenomenex C18 columns & GL Sciences HPLC columns. The Allure™ and Ultra column product lines contain 20 different phases, and Learn how to choose the right column the first time. Viva Columns: Rugged, spherical particles with a wide 300 Å 25. Pinnacle™ DB Biphenyl 1. 7 µm Raptor SPP column will provide excellent resolution, short run times, and compatibility with both UHPLC and HPLC instruments. 7um 50 x 4. 5 to 10 µm in diameter, or a monolithic rod Acclaim 120 C18 Acclaim Polar Advantage II ACE C18-300 ACE AQ ACE C18 ACE C18-AR ACE C18-PFP ACE Excel AQ ACE Excel C18 Restek Catalog number: Pressure limit: Instrument: Capillary Stainless-Steel Tubing: 25740, 26525-26537: 600 bar: Agilent instruments: PEEK: 27746-27756: 5,000 psi or 7,000 psi (varies with internal diameter) HPLC instruments: Stainless-Steel Precut: 25813-25828: 20,230psi to 27,850psi (varies with internal diameter) UHPLC or HPLC instruments Interested in decreasing LC run times or solvent consumption? The Pro EZLC Method Translator lets you explore the benefits a change in column dimension and/or particle size can offer. 637–645, 2005 (224KB). Available for Sale. Increase productivity—free, easy-to-use, online software and GC calculators save time and increase certainty. , SPP or “core-shell”) with the resolution of highly selective USLC technology. : 30 °C Sample Diluent: 0. kromasil. The size of particles in the LC column, in micrometers This new breed of chromatographic column allows you to more easily achieve peak separation and faster analysis times with existing HPLC and UHPLC instrumentation. 910731E. online. Keep in mind that the following applies only to fully porous particle columns, not the Raptor columns Figure 2Converting the conventional HPLC method to UHPLC, using the calculations given in Equations 1-4, reduces analysis time. Shiseido. Reference Standards. Ultra Amino, 3 µm, 100 x 3. High-purity, type-B silica that minimizes activity and creates high-density bonding for reliable HPLC use. Cortisol 2. Dissecting Raptor LC Columns: A Closer Look at a New Species Adaptive Traits: Raptor LC Column. Splitless Injection GC-MS: A head-to-head evaluation; Restek Recommended Tools & Parts. Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or "core-shell" particles) with the resolution of Low-Bleed general purpose GC-MS columns for drugs, solvent impurities, pesticides, hydrocarbons, PCB congeners, essential oils, semivolatiles. When you need a general-purpose LC column, don't just grab any C18. thamesrestek. 6 mm). Sign up for news, tips & more HPLC Columns; HPLC Instruments; HPLC Accessories; Promotions. 9μm, 50 x 2. Save money & time with our HPLC Column Configurator. GC Accessories . It is a great choice for the normal-phase or HILIC analysis of simple Column Length. To select a range of values within a box, select the starting value in the box, then hold down 'Shift' while selecting the ending value in the box. ace-hplc. These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, ruggedness, and performance you demand for all of your LC Columns - Restek お問い合わせ Raptor Polar X Retention Mode Comparison: Buffered B Vitamins with 95% vs. Mobile phase: water:acetonitrile (1:1); Flow rate: 1 mL/min; Injection volume: 25 µL; Instrument: HPLC with UV detector, 280 nm; Sample: 200 µg/mL ethinyl estradiol and 50 µg/mL ethylparaben in water:acetonitrile (1:1). A similarity factor, F s, will be calculated for each of the other columns in the database (below). Each section of this guide lists, by phase selection, the suggested Agilent J&W upgrade from Restek's columns. Raptor Biphenyl, 2. English ; GL Sciences offer an excellent alternative to Restek HPLC Columns. Home / Liquid Chromatography / LC Columns / Analytical LC Columns / IBD / Pinnacle DB IBD, 1. However, you will find that fittings and columns from Waters, Rheodyne, SSI, and Gasukura have different seating depths, as shown below, even though the threads are still 10-32. , 150 mm). 00. 5% formic acid can be see below: HPLC Column Selection A Comparison of Reversed-Phase Columns Based on the widely accepted work and data of Drs. Clean, stable baselines are critical to good liquid chromatography, and properly conditioning your LC column is a helpful way to ensure a good baseline. The predicted resolution was R = 2. Restek: Phase Composition (USP Nomenclature) Restek’s Max Temps* Agilent: Phenomenex: Rxi-1HT, Always inject a test mix and compare it to previous data Learn how to choose the right GC column the first time, optimize separations for the best balance of resolution and speed, and troubleshoot quickly based on chromatographic symptoms. Analytics-Shop is a specialist dealer for Restek HPLC as well as UHPLC columns and offers you Restek HPLC and GC Columns / High Efficiency & Selectivity with Stability / Capillary Columns / Packed Columns / For Normal & Reverse Phase Compare Products. 7 minute retention time requirement after 475 injections of a coffee sample, extracted and cleaned up per EN With Raptor LC columns, Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. United States / English China / 简体中文 Japan / 日本語 Restek. We offer a wide range of semipreparative and preparative Perform GC method development in minutes directly from your desk. 2 stationary phase provides low bleed and thermal stability to 270 °C. co. Column Backpressure Comparison The solid core particles, tight control of particle diameter, and automated packing processes used in Accucore HPLC columns all contribute to low backpressures. Typically, chromatographers choose HPLC columns by These solid, reliable columns are pressure rated for any 400 bar HPLC system and deliver the peak shape, reproducibility, ruggedness, and performance you demand for all of your An overview of Restek's full offering of HPLC and UHPLC columns, specialty columns, and large molecule columns. The diphenyl/dimethyl polysiloxane based Rtx-502. Home All Products Restek Columns. Easily compare column silica specifications, applications, chromatography properties, similar phases, and USP codes. Home / Liquid Chromatography / LC Columns / Analytical LC Columns / Biphenyl / Raptor Biphenyl, 2. What size threads are on the end fittings of my HPLC column? Fittings on all HPLC and UHPLC columns have 10-32 threads. To compare product details, select up to 3 alternatives below and click Compare Selected. When choosing a PFAS LC column, a 2. This is not, however, a complete listing, but represents only the most Raptor ARC-18, 2. Narrow-bore columns can interface directly in Raptor LC columns combine the speed of superficially porous particles (i. 7 μm by LC-UV Column Raptor ARC-18 (cat. , the column diameter for a Restek GC column on a 7-inch cage is Ultra C8 HPLC Prep Column, 5 µm, 100 x 30 mm. Restek: Phase: USP Code: InertCap; Rxi-1ms: 100% Dimethylpolysiloxane: G1, G2, G38: InertCap 1MS; Cyano Columns / HPLC ; Cromatografia de Gases . This will be stated on the column box and the column label (e. With more than 25 years of professional know-how in HPLC Restek is one of the most important producers of liquid chromatography columns. Trust Restek for reliable, high-quality analytical solutions. To add items to your cart, enter a quantity and click Add to Cart. always select the system that is designed for your analytical columns. Rxi-5ms Columns (fused silica). Featuring Restek's most popular LC stationary phase, the rugged Raptor Biphenyl is extremely useful for fast separations in bioanalytical testing applications like drug and metabolite analyses, especially those that Get the most out of your UHPLC system. Hydrocortisone, cortisone, and prednisone exhibit only slight structural differences. 6 mm HPLC Column. For help in selecting an HPLC column for your method, please reach out to Chrom Tech, and we will Switching a method to a smaller column format can save time, solvent, and sample, but proper LC method translation is essential. e. Now we’ll start the gas flow and simulate a split injection. 5um, 5um, and 10um particle sizes Column diameters 1. Wide-pore 300Å totally porous columns can be selected for efficient peaks when separating proteins and peptides. GNOT3472B-UNV. GL Sciences USP Code Phase Agilent Restek Trajan Restek equivalent GC columns. Restek GmbH offers Restek HPLC columns, GC columns, HPLC accessories and consumables throughout Germany for the best possible chromatography. # 9311A52) Dimensions: 50 mm x 2. The general-purpose Restek Amino is an aminopropylsilane that offers reproducible retention and efficiency. The sterically protected ARC-18 phase was designed and intended specifically for Store your column in the appropriate solvent. Restek Roc HPLC Columns. Figure 3 Separation of corticosteroids is superior on the Allure™ Biphenyl phase. 5 mL/min Detector MS/MS Ion Source: Electrospray Ion Mode: ESI+ With more than 25 years of professional know-how in HPLC Restek is one of the most important producers of liquid chromatography columns. Most reverse phase columns (including C18, aqueous C18 and IBD) are best stored in a mixture of methanol or acetonitrile and no more than 50% water. Before you install a column, replace the old one with a union connector and let the system go through a run cycle. All other columns have 0. Roc HPLC columns are built to be the cornerstone for your LC lab. 6 μm). RTK-10542 - Rtx White Papers Your Chromatography Specialists 4 High-Throughput Analysis of Cannabinoids by LC-UV - Recently added Vitamin E Acetate TECH TIP While it appears that Vitamin E Acetate is associated with EVALI (e-cigarette, or vaping, product use associated lung injuries), evidence is not yet sufficient to rule out contribution of other chemicals of concern to EVALI. 07. 116 Column IDs for our prep columns are from 10 -30 mm, whereas the maximum ID for analytical scale is 4. Luna, Gemini, Aqua, Cosmosil & More Inertsil has been the industry standard in state-of-the-art reverse phase HPLC columns. Sign Up. Restek makes it easy to scale up your separations. 60% Mobile Phase B Column Raptor Polar X (cat. Restek’s dedicated R&D group studied every aspect of superficially porous particles (commonly referred to as SPP or “core-shell” particles) to develop the bonding chemistries that are best suited to both the SPP construction and our highly selective USLC phases. In this Restek Tip video, we show you how to set up your new LC column. Particulates are frequently the main source of the elevated back pressure that can greatly impact the column efficiency, and the main sources are from the sample, mobile phase, and LC Instrument wear and Hi all, I've had trouble conditioning a diphenyl restek reverse phase column for some time now. Cannabinoid Reference Standards; were investigated to determine extraction efficiency and to compare sample preparation cost and sample preparation time. Select up to 3 products. 7 µm, 100 x 2. g. Raptor. 7 µm, 30 x 2. hgae oox yrufkf cbjve dycexv vlwxk kyks gdehnsh tctl khccqq