The WaterWorks™ School Test Kit is perfect for classroom science experiments. Designed for a classroom of 30 students (a total of 540 tests in each kit), the WaterWorks™ School Test Kit contains 11 educational classroom activities & experiments including creating water cycles and testing for acid rain. This kit also tests for Nitrates, Nitrites, Total Hardness, Total Alkalinity, Total Chlorine, Free Chlorine, Copper, Iron, & pH and comes with an easy to follow activity booklet.
Nachweis von:
Free Chlorine: 0.0, 0.1, 0.2, 0.5, 1.0, 2.5, 5.0 ppm (mg/L)
Total Chlorine: 0.0, 0.1, 0.2, 0.5, 1.0, 2.5, 5.0 ppm (mg/L)
Eisen (Fe+2): 0,0, 0,05, 0,1, 0,3, 1,0 ppm (mg/L)
Kupfer: 0,0, 0,1, 0,5, 1,0, 2,0 ppm (mg/L)
Nitrat (als N): 0, 2,0, 10, 20, 50 ppm (mg/L)
Nitrite (as N): 0, 0.3, 0.5, 1, 3 ppm (mg/L)
pH: 5.0, 6.5, 7.0, 7.5, 8.0, 8.5, 11 pH
Total Alkalinity: 0, 40, 80, 120, 180, 240, 720 ppm (mg/L)
Total Hardness: 0, 50, 120, 180, 250, 425 ppm (mg/L)