Test sticks for the semi-quantitative determination of hydrogen peroxide (H 2 O 2 ) and peroxides in solutions Gradation of scale: 0-50-150-300-500-800-1000 ppm These test sticks have an additional warning test field, which changes color, when the concentration exceeds 2000 mg/l, because, in such excessive concentration, a color change can occur, which corresponds to a much lower value on the color chart. The following ions interfere in higher concentrations: 1000 mg/l formaldehyde 500 mg/l Ca+2 100 mg/l Ascorbate, free chlorine, bound chlorine, Sulfite 87.5 degrees e: Total hardness In the presence of free and bound chlorine, the warning test field forms a blue coloration.
- UPC:
- 41113035
- Condition:
- New
- Availability:
- 3 Days
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- 91333
