OPTIMA® WAX Capillary columns for GC Features Polyethylene glycol 20 000 Da USP G16 Polar phase Recommended for solvent analysis and alcohols, suitable for aqueous solutions Similar phases: DB-Wax, Supelcowax, HP-Wax, HP-INNOWAX, Rtx-Wax, CP-Wax 52 CB, Stabilwax,…

Polystyrene-divinylbenzene adsorbent resin for SPE Features Highly porous polystyrene-divinylbenzene copolymer specific surface 1200 m2/g, particle size 50–100 μm very high binding capacity, up to 30 % of adsorbent weight (for comparison: silica adsorbents about 3 %) …

Columns for gravity flow phase separation Features Automatic separation of a two-phase mixture without separation funnel Two-phase mixtures are completely applied to the column and the phase boundary is determined without further work. The special membrane automatically stops the…

VarioPrep (VP) columns for preparative HPLC Features Column system for preparative HPLC manufactured from stainless steel with two adjustable end fittings, e.g., for frequent use of backflushing techniques Allows compensation of a dead volume, which could result at the column inlet…

Glass columns and kits for low pressure flash chromatography Economic low-tech method for the synthesis laboratory Suited for the separation of compounds up to gram levels No expensive equipment required MN flash chromatography kits include a glass column, eluent reservoir, silica…

NUCLEOCEL DELTA Cellulose-modified silica phases for HPLC enantiomer separation Features Base material silica with chiral selector cellulose tris-(3,5-dimethylphenylcarbamate) USP L40 S versions with 5 μm particle size for higher resolution, allowing shorter columns (150 mm)…

Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

NUCLEOSHELL® core-shell silica phases for HPLC NUCLEOSHELL® Core-shell technology provides Better resolution at lower back pressure and shorter retention time Solid core of silicon dioxide Homogeneous shell of porous silica Highest efficiency compared to traditional…

Hydrophobic reversed phase with distinct polar selectivity for special PFAS analysis. Suitability for PFAS analysis is assured through qualified batch analysis. This HPLC phase is made of high purity NUCLEODUR HPLC silica gel and is extensively endcapped. Due to a low bleeding characteristics these…

PS/DVB copolymer with secondary and tertiary ammonium modification for mixed-mode SPE with weak anion exchange and reversed-phase properties (WAX). Exchange capacity ≥ 0.8 meq/g, pKa 6 + 9. High-purity material with ideal flow properties and highest reproducibility. Allows highest…

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

Strong quat. ammonium modified polymeric anion exchanger for SPE Features Base material spherical PS/DVB copolymer, pore size 55–65 Å, particle sizes 45 µm or 85 µm (standard) very large specific surface 850 m2/g, pore volume 1.4 cm3/g, pH stability 1–14 …

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…

OPTIMA® 5 Amine GC capillary columns for amine separation Features Especially deactivated for the analysis of polyfunctional amines such as ethanol­amines, amino-functionalized diols and similar compounds, which are important base materials in industrial chemistry, and show…

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…

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

OPTIMA® 1301 Capillary columns for GC Features 6 % cyanopropyl-phenyl – 94 % dimethylpolysiloxane USP G43 Medium polar phase Ideal for pesticide analyses For corresponding columns with higher film thickness see OPTIMA® 624 Similar phases: HP-1301, DB-1301,…

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…

LIPODEX® cyclodextrin phases Capillary columns for GC enantiomer separation Features Base material: cyclic oligosaccharides consisting of six (α-cyclodextrin), seven (β-cyclodextrin) or eight (γ-cyclodextrin) glucose units bonded through α-1,4-linkages …

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 hydroxyl groups of the sample molecules. …

Untreated capillaries Recommended application: Capillary electrophoresis Preparation of capillary columns Capillary LC applications

Special products for determination of pesticides in food samples QuEChERS method and pre-mixes Within a few years after its development by Anastassiades et al. the QuEChERS method has gained a leading position for the determination of pesticide residues in food samples by GC-MS or LC-MS,…

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica…

HPLC columns for analysis of inorganic anions NUCLEOGEL® Anion I: strongly basic polymer-based anion exchanger, particle size 10 µm pH stability: 1–14 eluent in column 4 mmol/L salicylate buffer pH 7.8 contrary to the silica-based phase also suited for fluoride analysis

Features Cartridges filled with specified NUCLEODUR®, NUCLEOSIL® and NUCLEOSHELL® HPLC adsorbents Ideal protection for your analytical main column -> significant increase in column lifetime Minimized void volume -> suitable also for ultra fast HPLC Special ferrules…

NUCLEOGEL® ION 300 OA Polymer-based HPLC phases for separation of sugars Features Sulfonated spherical PS/DVB resins in H+ ionic form · USP L17 Mean particle size 10 µm Pore size 100 Å Separation mechanism includes steric exclusion, ligand exchange and…

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…

For individual packing of SPE columns with CHROMABOND® adsorbents.

For the connecting of still available CC cartridge columns and CC guard columns we offer the guard column holder.

Propylsulfonic acid modified silica cation exchanger for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 propylsulfonic acid modified silica very strong cation exchanger (capacity ~ 0.7 meq/g) …