Macherey-Nagel, 91322, Quantofix Nitrite 3000, Box Of 100 Strips

Test sticks for the semi-quantitative determination of high concentrations of nitrite (NO 2 ) in solutions Gradation of scale: 0-0.1-0.3-0.6-1-2-3 g/l NO 2 yellow to red Between pH 2 and 12 the reaction is independent of the pH value of the test solution. Adjust strongly acidic solutions with dilute sodium hydroxide solution and strongly alkaline solutions with dilute sulphuric acid to a pH of about 4 to 6. Store nitrite test sticks in a cool and dry place, protected from sunlight and moisture.