Quantofix® test strips, ntrite/pH, L 95 x W 6 mm, 100 unit(s)Quantofix test strips, ntrite pH, L 95 x W 6 mm, NO(2) 0 1 5 10 20 40 80 pH 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 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