Quantofix® test strips, aluminium, L 95 x W 6 mm, 100 unit(s)Quantofix test strips, aluminium, L 95 x W 6 mm, 0 5 20 50 200 500, Density (D) 1 to 1,5 g cm, UN Nr. 3316 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