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-/pH |
Gradation | NO2-: 0-1-5-10-20-40-80 mg/lpH: 6,0-6,4-6,7-7,0-7,3-7,6-7,9-8,2-8,4-8,6-8,8-9,0-9,3-9,6 µg/m³ |