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…

This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations. To detect cyanides in solution, a drop of concentrated sulfuric acid is…

Easy and quick to seal vial / closure combination Fire-polished neck Main application: for non-critical HPLC analyses Only suitable in cases of low requirements on tightness, as the plugs have no elastomeric sealing element PE stoppers with a diaphragm for safe penetration of the needle

Single septa for all 20 mm crimp caps from MACHEREY-NAGEL Butyl / PTFE: temperature resistant: –40 °C / +120 °C, medium analytical purity, medium coring, medium hard to penetrate, resealability medium Silicone / PTFE: temperature resistant: –60 °C / +200 °C high…

Ready assembled crimp closures N 11 and plain caps with no liner Closures available with a broad variety of septa materials and most of them also with different cap colors All high end (PTFE/)Silicone/PTFE, cross- or unslit septa material has been physically and analytically been tested prior…

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…

Features Nano silica 60, specific surface (BET) ~ 500 m 2 /g, mean pore size 60 Å, specific pore volume 0.75 mL/g, particle size 2–10 µm Indicator: manganese activated zinc silicate with green fluorescence for short-wave UV (254 nm) Binder: highly polymeric product,…

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…

Spherical, hydrophobic polystyrene-divinylbenzene resin for SPE Features Hydrophobic polystyrene-divinylbenzene copolymer pH stability 1–14 High-purity material with highest reproducibility and lowest blank values due to an optimized manufacturing process Spherical particles…

Ready assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler,…

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Micro-vials with 0.2–1.2 mL usable volume Adapter required for use in an autosampler Crimp neck vials N 8 available with flat, round or conical bottom, made of clear and amber glass For all vials you can ask for a…

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…

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…

MACHEREY-NAGEL glass inserts are made from 1st hydrolytic class glass Small opening vials and inserts are more difficult to fill than wide opening sample containers Broad variety of different technical designs The longer the conical part of the insert the better the conditions for the…

GC injection port septa Standard quality Septum grade: Standard septa (ST) Material: beige silicone Thickness: 4 mm Hardness: 60° shore A Septum grade: High temperature septa (HT) Material: red non-bleeding silicone Thickness: 3 mm Hardness: 60° shore A …

Open and closed top closures and caps with thread 24-414 Due to their size mainly used as bonded closures for a firm fit of the septum Recommended for environmental analysis: screw closure with center hole and silicone / PTFE septum (702058) Closed top closures for sample storage …

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…

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 …

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…

RESOLVOSIL BSA-7 Silica-based protein phase for HPLC enantiomer separation Features Base material NUCLEOSIL® silica, particle size 7 µm, pore size 300 Å Chiral selector bovine serum albumin (BSA) · USP L75 Separation based on selective interaction of…

Cellulose adsorbents for column chromatography Features Cellulose MN 100: native fibrous cellulose Standard grade Average degree of polymerization 620–680 Fiber length (85 %) 20–100 μm Specific surface acc. to Blaine ~ 6500 cm2/g Residue on ignition < 10000…

Silica adsorbents for column chromatography Features Standard silica 60 , pore size ~ 60 Å Pore volume ~ 0.75 mL/g Highly porous, amorphous silicic acid in the form of hard, opalescent particles, prepared by precipitation of water glass with sulfuric acid For higher demands…

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…

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…

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…