For semi-quantitive determination of various substances. The test strips consist of a 0.2 mm-thick plastic strip with testing paper affixed to the lower end. After the test strip has been moistened, the colouration that appears is compared to a colour scale on the side of the can. The concentration value can be read or a concentration range can be estimated. Dimensions: W 6 x L 95 mm.
Verification of | Nitrite NO2- |
Gradation | 0-100-300-600-1000-2000-3000 mg/l |