MACHEREY-NAGEL

Cellulose MN 301: native fibrous cellulose, standard grade, fiber length (95 %) 2–20 μm, average degree of polymerization 400–500, specific surface acc. to Blaine 15000 cm2/g ≤ 20 ppm Fe, 6 ppm Cu, 7 ppm P, CH2Cl2 extract ≤ 0,25 %, residue on ignition at 850 °C ≤ 1500 ppm

VISOCOLOR ECO Nickel colorimetric test kit for the determination of Nickel in water samples measuring range: 0.1-1.5 mg/L Ni2+ __UN 3316 Chemical kit 9 II 0.040 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

For individual packing of SPE columns with CHROMABOND® adsorbents.

Purpose of derivatization Improved volatility, better thermal stability or a lower limit of detection in GC Prerequisite: quantitative, rapid and reproducible formation of only one derivative Halogen atoms introduced by derivatization (e.g., trifluoroacetates) for specific detection (ECD) with the...

Universal indicator paper pH 1-14 test paper measuring range: pH 1-2-3-4-5-6-7-8-9-10-12-14

Kieselguhr phase for liquid-liquid extraction Features Base material coarse-grained kieselguhr (also known as diatomaceous earth, hydromatrix, celite) large pore size, high pore volume, constantly high batch-to-batch quality pH working range 1–13 Application: Liquid-liquid extraction of highly...

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 certificate...

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 reproducibility...

VISOCOLOR ECO Chlorine dioxide colorimetric test kit for the determination of Chlorine dioxide in water samples measuring range: 0.2-3.8 mg/L ClO2

Features Aluminium oxides (Alox) produced by dehydration of different aluminium hydroxides, e.g., hydrargillite between 400 and 500 °C Activity grade I Particle size 50–200 μm Specific surface (BET) ~ 130 m2/g Available in neutral, basic, acidic

Features Base material: nano silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å, specific pore volume 0.75 mL/g particle size 2–10 μm pH stability 2–8 Indicator: acid-resistant product with a pale blue fluorescence for short-wave UV (254 nm) UV-absorbing...

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...

Manual crimpers (standard version) Adjustable crimping height via hexagon key, which allows to move the inner part of the crimping head up and down (not possible for manual crimpers N 8) Crimping pressure adjustable via screw in the handle Manual crimpers for N 13 and N 20 Flip Top / Flip Off caps...

VISOCOLOR ECO Total Hardness titrimetric test kit for the determination of Total hardness in water samples measuring range: 1 drop = 1.25 °e __UN 3316 Chemical kit 9 II 0.008 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

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 Universal screw...

Lead acetate paper test paper allows the quick and easy detection of hydrogen sulfide.

Special phase for SPE enrichment of PFAS from water, textiles and sediments (contaminated soils). Polymeric combination phase with weak cation exchanger, highly porous, spherical particles.

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...

Pehanon pH 3,8 - 5,5 test strips unify pH indicator and reference color chart on one strip. Any sample color has the same effect on both, the reference colors and the reactive pad, allowing unadulterated pH reading even in colored solutions. measuring range; 3.8-4.0-4.2-4.4-4.6-4.9-5.2-5.5

CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of lifetime...

AQUADUR test sticks for the quick and easy determination of water hardness. Gradation: 3 >5 >10 >15 >20 >25 °d = 54 >90 >180 >270 >360 >450 ppm CaCO3

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, which is stable...

Cuprotesmo sheets are sufficient for copper(I) and copper(II) ions and the detection of copper and copper salts on surfaces and in ash, for the detection of pores in metallic coatings on copper containing materials, in criminal trace investigations (bullets), and for the detection of...

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...