Standard
[CURRENT]
2010-10
DIN 38412-3:2010-10
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 3: Toxicity test for assessing the inhibition of the dehydrogenase activity of activated sludge microorganisms (TTC-Test) (L 3)
Microorganisms contain enzymes (biocatalysts), which cause degradation of the constituents present in waste water. One group of these enzymes are dehydrogenases; they cleave hydrogen atoms from ...