VISOCOLOR? ECO Test Nitrite

Product Overview

Separate test kits for chemical analysis of water samples without the need for extra apparatus or previous chemical knowledge. The VISOCOLOR ? card color templates are keyed to the original colors of freshly prepared standard solutions thus ensuring fine resolution precision and reproducibility of the measurement results. Instructions in German English French Italian Spanish Dutch. Sulfanilamide is diazotized by nitrite in acidic solution. The diazonium salt is coupled with a naphthylamine to form a reddish violet azo dye. Measuring range:?0 02 ? 0 5 mg/l NO2 Number of tests: 120 Contents of test kit: 30 mL NO2 1 5 g NO2 2 1 measuring spoon 70 mm 2 screw plug measuring glasses 1 slide comparator 1 color chart 1 plastic syringe 5 mL 1 instructions for use

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