From an environmental stand-point, it is sometimes necessary to hold back the forces of nitrogen. The essential balance of life in a body of water can become disrupted if they aren't. Students become aware of the presence of nitrate when the tested water samples turn a light pink color. This Lab-Aid permits 150 individual qualitative tests.

Kit Contents:

10 x Measuring Spatulas
10 x Calibrated Sample Tubes with Caps
6 x Drop Controlled Bottles of Nitrate Test Solution No. 1
3 x Bottles of Nitrate Indicator Powder No. 2
10 x Student Worksheets and Guides
1 x Teacher’s Guide with MSDS