Water Quality

Carbohydrazide is added to boiler system water as an oxygen scavenger to control corrosion. It is a safer alternative to hydrazine, which is toxic. Carbohydrazide reacts with oxygen at low temperatures and pressures. The products of the reaction are volatile and do not contribute dissolved solids to...

Spectroquant® AOX Enrichment Set

Tube test for the determination of Carbonate hardness. Precise rapid tests for all kind of water and waste water samples. Time-saving and reliable analysis together with Macherey-Nagel NANOCOLOR photometers. Measuring range: Acid capacity - 0.4–5.4 mmol/L H?, Carbonate hardness - 1.0–18.0 °e ,...

4790 OctaSlide Comparator For determining Diethylhydroxylamine (DEHA) concentrations by way of iron reduction method Octa-Slide comparator provides 8 standards between 0.05-1.5 ppm Three reagents perform 100 tests

Strips chemically treated with starch and cadmium iodide measure total chlorine to determine the strength of sanitizers in cleaning solutions. Furnished in plastic vial of 200 1/4” x 3 1/2” strips, with color comparison chart, which has three standards 50, 100 and 200 ppm

Tube test for the determination of Ammonium. Precise rapid tests for all kind of water and waste water samples. Time-saving and reliable analysis together with Macherey-Nagel NANOCOLOR photometers. Measuring range: Ammonium - 4–80 mg/L NH4-N, Ammonium - 5–100 mg/L NH4?

The level of dissolved oxygen in natural waters is often a direct indication of quality, since aquatic plants produce oxygen, while microorganisms generally consume it as they feed on pollutants. At low temperatures the solubility of oxygen is increased; during summer, saturation levels can be as...

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...

All necessary reagents for the analysis are contained in the cells Considerate packaging design protects the cells from fluctuation even in unfavorable environment Elimination of possible mistakes through barcode-system

Tube test for the determination of Total Nitrogen with the easiest handling available. Precise rapid tests for all kind of water and waste water samples. Time-saving and reliable analysis together with Macherey-Nagel NANOCOLOR photometers. Measuring range: Total Nitrogen - 3–60 mg/L N

QUANTOFIX Nitrate semi-quantitative test strips that are especially useful for dairy industry where low levels of nitrate need to be monitored. Measuring range: 0-5-10-25-50-75-100 mg/L NO3- 0-0.5-2-5-10-25-50 mg/L NO2-

Popular AR-02 outfit provides tests for Hardness, Iron, and pH. Drop count tests for Hardness (10 ppm or 1 gpg/drop) Octa-Slide tests for Iron (0.5-10 ppm) and pH (5.0-10) Includes 100 tests for Iron and 50 tests for each pH and Hardness

The reference standards are used to check the photometric detection accuracy and reproducibility of measurement results. Adjustment of the photometers is not possible with the reference standard kits. When checking the photometers with the reference standard kit, the appropriate method is selected...

Detergents can be introduced into the water supply by industry, soap manufacturers, and private households. Environmental analysts often include a determination of anionic detergents when assessing surface water pollution. The Methylene Blue Method References: USEPA Methods for Chemical Analysis of...

MColortest™ Total Hardness Test Method: titrimetric with dropping bottle

Yes/No qualitative test Sensitivity less than 2.2 per 100 mL of sample No incubation equipment required; only room temperature

VISOCOLOR Powder Pillows free Chlorine reagent set for photometric determination of free chlorine. Ideal for pool or drinking water analysis. Measuring range: 0.03-6.00 mg/L Cl2

Test strips suitable for the detection of chlorine and nitrite. Gradations: 0 - 2 - 8 - 25 - 70 - 100 ppm free chlorine (the pH of the test solution should be around neutral). Gradations: 0 - 2 - 5 - 15 - 30 - 100 ppm nitrite (the pH of the test solution should be less than 2).

Tube test for the determination of Chromium / Chromate. Precise rapid tests for all kind of water and waste water samples. Time-saving and reliable analysis together with Macherey-Nagel NANOCOLOR photometers. Measuring range: Chromate - 0.05–2.00 mg/L , Chromate - 0.1–4.0 mg/L CrO4²?

Wide Range Octet Comparator Method Employ Octet Comparator having eight color standards in increments of 5.0 or 1.0 pH unit, as indicated in listings below Kits are offered covering ranges from pH 3.0-10.0 to pH 8.5-12.0 For each pH range, two kits are offered: one without and one with the LaMotte...

VISOCOLOR Powder Pillows Nitrite reagent set for photometric determination of Nitrite. Ideal for drinking water, surface water and waste water analysis. Measuring range: 0.01-0.30 mg/L NO2-N __UN 3316 Chemical kit 9 II 0.015 KG ADR/GGVSEB M11 (E) ADR 3.3.1/251 PAX 960 10 KG CAO 960 10 KG Q: 0.002 /...

Tube test for the determination of Zirconium. Precise rapid tests for all kind of water and waste water samples. Time-saving and reliable analysis together with Macherey-Nagel NANOCOLOR photometers. Measuring range: Zirconium - 5–100 mg/L Zr

For determining available chlorine in chlorine bleach or hypochlorite solutions Range: 1 drop = 0.005%, 0.05% or 0.5% Cl Sufficient for 50 tests at 0.1, 1.0 or 10%

Iron is present in nature in the form of its oxides, or in combination with silicon or sulfur. The soluble iron content of surface waters rarely exceeds 1 mg/L, while ground waters often contain higher concentrations. The National Secondary Drinking Water Standard for iron is 0.3 mg/L, as iron...