low-polarity phase; Crossbond diphenyl dimethyl polysiloxane Rxi fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this…

CAS Number: 71889-02-6

General purpose gravity eluted column having a PTFE stopcock and reinforced beaded top. Column is constructed using MEDIUM WALL TUBING. Glass wool (not supplied) is used to support column packing. Lower end of the column has a round bottom.

nonpolar phase; Crossbond dimethyl polysiloxane General-purpose columns for solvent impurities, PCB congeners (e.g., Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates. …

Ultron 120A ES-OVM, 2.0 x 150 mm, 5 µm. Ultron Chiral Columns allow for direct racemic separations without derivatization. Visit this Ultron Chiral Columns page to learn more about Ultron Chiral Columns.

Polar, bifunctionally modified polystyrene-divinylbenzene copolymer Features Polar modified polystyrene-divinylbenzene copolymer with a weak anion exchanger, specific surface 650–700 m2/g, particle size 80 µm, pore size 50 Å, pH stability 1–14 The Easy…

Brownlee SPP 2.7 mm C8 2.1 X 100 mm

Agilent ZORBAX Eclipse XDB columns – C18, C8, Phenyl and CN – provide four bonded phase choices for method development optimization. These columns provide good peak shape over a wide pH range (2-9) for additional method development flexibility with one family of columns. Eclipse XDB…

SMT manufactures the most reliable silica based octadecyl (C18) column available in the market today. This advanced new column is very stable at a wide pH range and high temperatures. SMT utilizes a proprietary bonding scheme that allows the resulting bonded phases to perform separation of basic,…

Columns are for use in general chromatographic work for extraction of components, with special applications in isoenzyme and protein studies, hemoglobin fractionation and desalting. Chromatography columns are precision-molded in 5 ? and 7 ? sizes from premium-grade, chemically inert plastics. …

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). Application The carrier gas percolates through…

NUCLEOSIL® is a family of totally porous spherical silicas with a very pure and uniform SiO2 structure Wide acceptance as routine packings for very different fields of chromatography One of the first spherical silicas used in HPLC Developed in the early seventies, it became a…

ZORBAX StableBond-C18, 3.5 µm, 4.6 x 30 mm cartridge (RR), use with cartridge hardware 820555-901. ZORBAX 80A StableBond columns are made using bulky, patented, unique silanes that sterically protect the siloxane bond. Acid labile endcapping reag

midpolarity Crossbond phase Rxi fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column…

High efficiency separations at any pH The Hamilton PRP-C18 is a new HPLC column designed to provide high-efficiency, reversed-phase separations over an extended column life in nearly any mobile phase or pH. The rigid stationary phase has excellent mechanical and thermal stability (>…

SYNTHWARE general purpose chromatography column with heavy wall design. Supplied with an integral reservoir, PTFE stopcock and a top standard taper outer joint. With a coarse porosity fritted glass disc to support column packing. Designed for flash chromatography. The section below the disc is…

The 3 cc Oasis MAX cartridges contain the Oasis MAX, which is a novel, mixed-mode polymeric sorbent that has been optimized to achieve higher selectivity and sensitivity for extracting acidic compounds with anion-exchange groups. Since the Oasis MAX sorbent is water wettable, it maintains its…

50%-Cyanopropyl)-methylpolysiloxane High polarity Designed for separation of fatty acid methyl esters (FAMEs) Excellent resolution for cis- and trans-isomers Bonded and cross-linked Solvent rinsable Replaces HP-23 Close equivalent to USP Phase G5 Similar…

Roc HPLC columns are built to be the cornerstone for your LC lab. 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. An exceptional value,…

Easy scale-up from Restek analytical columns Popular bonded phases Restek makes it easy to scale up your separations. We offer a wide range of semipreparative and preparative-scale columns packed with many of our popular Ultra, Allure, Pinnacle DB, and Viva bonded phases on a 5 μm…

Combine good retention capacity with high recoveries. End-capped to minimize polar interactions. Recommended for strong non-polar analyte extractions. EPA Methods 506,508.1,525.2, 550.1,608,1613B, etc.

Extend column lifetime. Excellent inertness—obtain lower detection limits for active compounds. Sharper chromatographic peaks by utilizing retention gap technology. Maximum temperature: 360°C