MACHEREY-NAGEL

VISOCOLOR Powder Pillows Ammonium reagent set for photometric determination of Ammonium. Ideal for drinking water, surface water and waste water analysis. Measuring range: 0.02-0.80 mg/L NH4-N

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Snap ring vials N 11 are available in broad variety, incl. vials with/without label + scale, in clear or amber glass, plastic ones with different interior shape Snap ring vials N 11 can be used either with snap ring closures N 11 or...

VISOCOLOR ECO Ammonium 3 colorimetric test kit for the determination of Ammonium in water samples measuring range: 0.2-3 mg/L NH4+ __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

Materials kit for scientific education This kit is prerequisite for the separations with kits F1, F2 and F3. In addition, it serves as basic equipment for the individual study of further thin layer chromatographic experiments.

Connecting kits for CHROMABOND® Flash columns CHROMABOND® Flash Starter Kit consists of: 1/8" PTFE tubing, ID 1.5 mm, length 3 m; 5 x 1/4"-28 PP nuts; 5 x 1/8" ETFE ferrules; 5 x 1/4"-28 nylon unions; 2 x 1/4"-28 PP luer locks female; 1 x 1/4"-28 PP luer locks...

QUANTOFIX Carbonate alkalinity semi-quantitative test strips for the determination of the carbonate hardness. (Strong bases -or other acid-consuming substances cause false results.) Measuring range: 0-3.8-7.5-12.5-18.8-25.0 °e

20 mL, 30 mL, 40 mL and 60 mL vials in clear and amber glass of 1st hydrol. class glass Bonded Silicone/PTFE closures, thread design 24-414, open/closed top, most frequently used in combination with the 40 mL vial Vial container available for 20 mL, 30 mL and 40 mL vials. Vials are packed with 100...

Dipyridyl paper test strips allows the sensitive and specific detection of Fe(II) ions. Even small amounts of Fe(II) can safely be detected in presence of large amounts of Fe(III).

QUANTOFIX Ammonium semi-quantitative test strips and reagents for the determination of ammonium in solutions. Measuring range: 0-10-25-50-100- 200-400 mg/L NH4+ __UN 3316 Chemical kit 9 II 0.060 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

Pehanon pH 5,2 - 6,8 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; 5.2-5.5-5.7-5.9-6.1-6.3-6.5-6.8

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...

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...

Bonded and ready assembled open top black screw closures 10-425 and plain caps with no liner Closures available with a broad variety of septa materials Red Rubber / FEP septum for routine analyses; for more demanding analyses: high purity silicone / PTFE septa Slit silicone/PTFE septa as a...

VISOCOLOR ECO Nitrite colorimetric test kit for the determination of Nitrite in water samples measuring range: 0.02-0.5 mg/L NO2-

VISOCOLOR ECO free chlorine 2 colorimetric test kit for the determination of Chlorine in water samples measuring range: 0.1-2.0 mg/L Cl2 No dangerous goods according transport regulations.

QUANTOFIX Total iron 100 semi-quantitative test strips for the rapid and easy analysis of Iron directly on-site. Measuring range: 0-2-5-10-25-50-100 mg/L Fe2+/Fe3+

pH-Fix 2.0-9.0 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 2.0-2.5-3.0-3.5-4.0-4.5- 5.0-5.5-6.0-6.5-7.0-7.5-8.0-8.5-9.0

OPTIMA® 1 Capillary columns for GC Features 100 % dimethylpolysiloxane · USP G1 / G2 / G38 Nonpolar phase Separation of components according to boiling points Thick film columns ≥ 3 µm film are expecially recommended for solvent analysis. Low bleed columns with equal selectivity...

Fluoride test semi-quantitative test papers for rapid control of fluoride concentrations.

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...

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, allowing...

QUANTOFIX Active oxygen (potassium monopersulfate) semi-quantitative test strips for rapid and easy analysis of Active oxygen directly on-site. Measuring range: 0-4-8-15-25 mg/L PMPS

VISOCOLOR ECO Iron 2 colorimetric test kit for the determination of Iron in water samples measuring range: 0.04-1.0 mg/L Fe

Pehanon pH 6,0 - 8,1 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: 6.0-6.3-6.6-6.9-7.2-7.5-7.8-8.1