An economical metal column should be used for less demanding applications where the inertness of glass is not required. This column fits Agilent 5880, 5890, 6890, 7820, and 7890 (configuration A, on-column injection, all detectors except TCD). In packed columns, the carrier gas percolates…

General Description Graphitized Non-Porous Carbon Retention Mechanism: Reversed-phase Sample Matrix Compatibility: Aqueous solutions (drinking, ground, waste water) Surface area: 100m 2 /g; Particle Sz.:120/400 mesh Extreme affinity for organic polar and non-polar…

Purospher® STAR RP-18 endcapped is the best choice for HPLC separation of basic, neutral, metal chelating samples or indeed any other format. Its outstanding performance and stability, allows a maximum flexibility in method development. Robust methods can be developed across the entire pH…

All of the columns listed below are constructed of borosilicate glass. Four different fixed bed length configurations are available: Luer Lock, non-jacketed: constructed with fixed polypropylene end caps, polyethylene bed supports, and Luer Lock inlet and outlet fittings. The Luer Lock…

Each column blank kit includes a precision-bore polished 316 stainless steel column blank, two zero dead volume external reducing unions (internal unions with 10 mm I.D. blanks) with nuts and ferrules for 1/16 in. O.D. tubing, and two 2 μm frits.

EC Number: 231-545-4 eCl@ss: 32110501 Features and Benefits For acids, bases, zwitterions Increased polar retention relative to standard reversed-phases Unique selectivity Silanol deactivation Peak shape, efficiency, and retention are comparable to C8 phases for…

Large volume SPE reservoirs are designed to increase the head space volume of standard polypropylene SPE tubes. Because these reservoirs are designed to connect directly to the mouth of the SPE tube, they are ideal for gravity applicatioins where increased headspace volume is required.

application(s) HPLC: suitable matrix active group C18 (octadecyl) phase suitability suitable for L1 per USP

LiChrospher® NH2 posses polar and hydrophobic properties and can be used for normal phase, reversed phase and ion exchange chromatography. Typical applications are the separations of carbohydrates by reversed phase chromatography or the separsation of nucleotides by ion exhange chromatography.…

Retention Mechanism: Normal phase Sample Matrix Compatibility: Organic solvents, oils, and lipids Unbonded acid washed silica sorbent ideal for normal phase SPE and other modified flash techniques Often used to separate or remove structurally similar molecules through successive…

Particle Size: 3 µm Pore Size: 100 Å

Spherical Carbon Particles (Carbon Molecular Sieve) Composition: bed wt., 400 mg Volume: 1 mL Matrix: Amorphous Carbon Molecular Sieve (CMS) Polymer Carbon or Graphitized Polymer Carbon (GPCs) Pore size: 0.782 mL/g pore volume / 27.2 Å pore size Surface…

Application A highly polar cyanosiloxane column commonly used for separation of geometric (cis/trans) fatty acid methyl ester (FAME) isomers as a group. Also useful when a highly polar general purpose column with good thermal stability is required. USP Code: This column meets USP G48…

Synonym: SUPELCOSIL™ LC-DP 5UM 25CMX4.6MM HPLC COLUMN eCl@ss 32110501 General Description Contains a diphenyl bonded phase, which gives greater selectivity for aromatic groups compared to alkyl-type bonded phases. Legal Information SUPELCOSIL is a trademark of…

Synonym: TSKgel® Size Exclusion (SW-Type) HPLC Column Physical form 20S isomer General description As the first generation of silica-based SEC columns, TSKgel G2000SW provides excellent separation of peptides and proteins with molecular weights up to 100,000 Da.TSKgel…

eCl@ss 32110501 General Description SUPELCOSIL LC-PAH columns were designed specifically for analyses of the priority pollutant PAHs listed in US EPA Method 610. 2.1 mm and 3.0 mm columns save solvent and improve sensitivity when sample mass is limited. 3 μm columns provide…

eCl@ss 32110501 General Description Ascentis® Express 5 μm C18 is a high-speed, high-performance liquid chromatography column based on the highly efficient Fused-Core® particle design. The Fused-Core® particle provides a thin porous shell of high-purity silica surrounding…

manu-CART® NT cartridge holder for 2, 3, 4 and 4.6 mm i.d. LiChroCART® cartridges

Extrelut® NT simplifies liquid-liquid extraction in its most effective form by using a chemically inert, wide-pore and highly pure diatomaceous earth based solid phase. Depending on the sample volume three types of columns are available: Extrelut® NT1 can take up a maximum of one ml, Extrelut® NT3…

Purospher® STAR NH2 HPLC columns are amino-bonded high-purity silica columns primarily for carbohydrate analysis. The particular benefits of these columns are the very high separation efficiency and the absence of metallic impurities, giving consistent symmetrical peaks.

Includes: 50 Units

I.D. 1/4 in., 1/4 in. O.D. Column Characteristics: Seals at 1/4 turn past fingertight. High reusability. Won't stick to metal or glass. Material Composition: DuPont VESPEL SP-21 (85% polyimide, 15% graphite) Maximum Temperature: 400 °C Legal Information Supeltex is a registered…

eCl@ss 32119290 Application: This non-polar general purpose column provides primarily a boiling point elution order with a slight increase in selectivity, especially for aromatic compounds. USP Code: This column meets USP G27 and G36 requirements. Phase: Bonded …

The polymeric SeQuant® ZIC®-pHILIC columns is designed for particularly difficult separations of polar and hydrophilic compounds. The high-performance, truly zwitterionic stationary phase is attached to porous polymer beads and tolerates pH from 2-11. This medium 150 mm column is suitable…

General Description A general purpose hydrophobic alkyl phase that is very retentive and gives good peak shape for a wide variety of compounds.

Synonym: SCX column eCl@ss 32110501 General Description The LC-SCX cation-exchange columns have strongly acidic propylsulfonic acid groups and are used for separating cations. Adjust pH, ionic strength, and organic modifier concentration to control retention and selectivity. …

eCl@ss 32119290 Application This long capillary column is designed for detailed purity analyses of light hydrocarbon gases and petroleum products (oxygenates, solvents, naphthas, gasolines, etc.). USP Code This column meets USP G1, G2, and G9 requirements. Phase …

LiChrospher® RP-18 is a reliable and versatile traditionally produced spherical silica gel carrier with C-18 reversed phase properties. It is well suited for the separation of neutral, acidic and weak basic compounds. This sorbent is packed into a LiChroCART® 250-4 HPLC cartridge. The…