Liquid chromatography LC columns

Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene resin for SPE Features Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene copolymer pH stability 1&ndash14 Spherical particles 30 &mum or 60 &mum (standard) Pore

Features More than 50 different sationary phases available e.g.

Octadecyl modified silica phase for SPE of polar analytes Features Base material silica, pore size 60 &Aring, particle size 45 &microm, specific surface 500 m2/g, pH stability 2&ndash8 Special octadecyl phase for polar analytes, not endcapped, car

Weak carboxylic acid modified polymeric cation exchanger for SPE Features Base material spherical PS/DVB copolymer, pore size 50&ndash60 &Aring, particle sizes 45 &microm or 85 &microm (standard), very large specific surface 850 m2/g, pore

Features More than 50 different sationary phases available e.g.

Features More than 50 different sationary phases available e.g.

Features Filtration cartridges for sample clarification under vacuum (e.g.

Aluminium oxide, neutral, for SPE Features Aluminium oxide, high purity, pore volume 0.90 mL/g, particle size 60&ndash150 &microm, specific surface 150 m2/g neutral, pH 7 &plusmn 0.5

Weakly basic secondary and tertiary ammonium polymeric anion exchanger for SPE Features Base material spherical PS/DVB copolymer, pore size 55&ndash65 &Aring, particle sizes 45 &microm or 85 &microm (standard) very large specific surface 850

Spherical, hydrophobic polystyrene-divinylbenzene resin for SPE Features Hydrophobic polystyrene-divinylbenzene copolymer pH stability 1&ndash14 High-purity material with highest reproducibility and lowest blank values due to an optimized manufactur

Polymer-based HPLC phases for separation of sugars Separation mechanism includes steric exclusion, ligand exchange and partition effects, ligand exchange being the predominant force, since the hydrated metal ions form strong interactions with the

Features More than 50 different sationary phases available e.g.