MACHEREY-NAGEL

Propylcarboxylic 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 propylcarboxylic acid modified silica, weakly acidic cation exchanger (WCX) Recommended application: strong...

QUANTOFIX Ascorbic acid semi-quantitative test strips for the determination of vitamin C in solutions. Measuring range: 0-50-100-200-300-500- 700-1000-2000 mg/L vitamin C

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 is the ideal base...

VISOCOLOR ECO Iron 1 colorimetric test kit for the determination of Iron in water samples measuring range: 0.04-1.0 mg/L Fe __UN 3316 Chemical kit 9 II 0.030 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

VISOCOLOR ECO Nitrate colorimetric test kit for the determination of Nitrate in water samples measuring range: 1-120 mg/L NO3-

VISOCOLOR ECO Detergents anionic test kit for the determination of Detergents in water samples measuring range: 0.1-5.0 mg/L MBAS __UN 3316 Chemical kit 9 II 0.100 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

Reservoir columns for application of medium-size samples.

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 is the ideal base...

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Crimp neck vials N 11 are available in broad variety, incl. vials with small/wide opening, with/without label + scale, in clear or amber glass (silanized versions also available) Guaranteed specification obedeyance by...

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 world-renowned HPLC...

VISOCOLOR ECO Carbonate hardness titration test kit for the determination of Carbonate hardness in water samples measuring range: 1 drop = 1.25 °e EQ Excepted Quantities or __UN 3316 Chemical kit 9 II 0.007 KG ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 KG CAO 960 10 KG

QUANTOFIX Arsenic 50 semi-quantitative test strips and reagents for the determination of arsenic in solutions. Measuring range: 0-0.05-0.1-0.5-1.0- 1.7-3.0 mg/L As3+/5+

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 column / cartridge...

PAH standard for liquid chromatography 16 PAH acc. to. EPA Method 610 in acetonitrile pack of 1 mL

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Small opening, 8-425 thread; to be sealed with our screw closures N 8 Different inserts for small opening available Due to the cap design not universally usable on all autosamplers in GC and HPLC (in contrast to screw neck vials N...

OPTIMA® δ-3 Capillary columns for GC Features Polysiloxane phase with autoselectivity USP G49 Medium polar without CN groups Analytes determine the polarity of the phase Autoselectivity resulting in a polarity range from approximately the nonpolar OPTIMA® 5 to the midpolar OPTIMA®...

Features High purity silica 60 with gypsum and a very small quantity of a polymeric organic binder softer than the standard silica layer, i. e. spots can be scratched and the layer absorbs faster Available as glass plates with or without fluorescent indicator Recommended for the separation of...

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 proteins with low...

QUANTOFIX Calcium semi-quantitative test strips and reagents for the determination of calcium in solutions. Measuring range: 0-10-25-50-100 mg/L Ca2+ __UN 3316 Chemical kit 9 II 0.030 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

pH-Fix 0-14 indicator strips with chemically bound indicators are the bench mark for pH testing with test strips. The fixation prevents bleeding and therefore contamination of the sample. measuring range: pH 0-1-2-3-4-5-6-7- 8-9-10-11-12-13-14

pH-Fix 0-14 PT indicator strips in a round plastic tube with snap cap. The chemically bound indicators are the bench mark for pH testing with test strips. The fixation prevents bleeding and therefore contamination of the sample. measuring range: pH 0-1-2-3-4-5-6-7- 8-9-10-11-12-13-14

Replacement septa for 9 mm screw caps from MACHEREY-NAGEL PTFE virginal: temperature resistant: –200 °C / +260 °C, very high analytical purity, very hard (but very thin material), no resealability Red Rubber / TEF (FEP): temperature resistant: –40 °C / +110 °C, medium...

Chlortesmo test strips for determination of free halogens (chlorine, bromine, iodine).

POLYGOSIL® Irregular silica phases for LC, CN (cyano, nitrile) modified Features Irregular silica for analytical application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available particle sizes 5 µm, 7 µm and 10 µm