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This Test Guideline includes two methods: a paper contact toxicity test and an artificial soil test. The recommended specie is Eisenia foetida (Michaelsen). The initial screening test (filter paper contact test) involves exposing earthworms to test substances on moist filter paper in order to...
Persistent link: https://www.econbiz.de/10012445618
This Test Guideline is designed to be used for assessing the effects of chemicals on the reproductive output of the enchytraeid worm, Enchytraeus albidus Henle 1873, in soil. Adult enchytraeid worms are exposed to a range of concentrations of the test substance mixed into an artificial soil. Ten...
Persistent link: https://www.econbiz.de/10012446061
This Test Guideline describes a laboratory test method designed to investigate the long-term effects of chemicals, after a single exposure, on nitrogen transformation activity of soil microorganisms. Sieved soil is amended with powdered plant meal and either treated with the test substance or...
Persistent link: https://www.econbiz.de/10012446769
This Test Guideline is designed to assess the toxicity of chemicals on the growth of the rooted aquatic plants (Myriophyllum spicatum) growing in water-sediment system. Shoot apices of healthy and non-flowering plant are potted in standardised, artificial sediment supplemented with additional...
Persistent link: https://www.econbiz.de/10012448789
This Test Guideline is designed to assess the toxicity of chemicals on the growth of submerged aquatic plants Myriophyllum spicatum growing in a sediment-free test system. In a modified Andrews’ medium Myriophyllum spicatum plant cultures are exposed to at least five different concentrations...
Persistent link: https://www.econbiz.de/10012448807
This Test Guideline is designed to be used for assessing the effects of chemicals on the reproductive output of the enchytraeid worm, Enchytraeus albidus Henle 1873, in soil. Adult enchytraeid worms are exposed to a range of concentrations of the test substance mixed into an artificial soil. Ten...
Persistent link: https://www.econbiz.de/10012449829
The test method described in this Test Guideline assesses the effect of chemicals on the reproductive output of Daphnia magna Straus. To this end, young female Daphnia are exposed to the test substance added to water at a range of concentrations (at least five). For semi-static tests, at least...
Persistent link: https://www.econbiz.de/10012450175
The Potamopyrgus antopodarumon reproduction test is designed to assess potential effects of prolonged exposure to chemicals on reproduction and survival of parthenogenetic lineages of the freshwater mudsnail Potamopyrgus antipodarum. Adult female P. antipodarum are exposed to a concentration...
Persistent link: https://www.econbiz.de/10012450637
This Test Guideline is designed to assess effects of prolonged exposure to chemicals on the reproduction and survival of the hermaphrodite freshwater snail Lymnaea stagnalis (the Great Pond Snail). Reproducing adults of L. stagnalis are exposed to a concentration range of the test chemical and...
Persistent link: https://www.econbiz.de/10012450648
This Test Guideline describes the HPLC method, which permits to determine the partition coefficient (n-octanol/water) (Pow).Reverse phase HPLC is performed on analytical columns packed with a solid phase containing long hydrocarbon chains chemically bound onto silica. The chemicals are retained...
Persistent link: https://www.econbiz.de/10012441921