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EC number: 200-543-5
CAS number: 62-56-6
Experimental Koc values for thiourea in three soils were determined to be 28.95, 26.13. and 36.49. The mean value (Koc = 30.5) is carried forward to the risk assessment.
The adsorption and desorption of thiourea
was determined in a test according to OECD guideline 106 (May 12, 1981).
In this test three different soil types with the following characteristics
The results for thiourea adsorption to soil
are as follows:
The determined K values for thiourea are
dependent on soil texture characteristics, pH and content of organic
carbon. The mean Koc from the three soil types is carried forward to the risk
assessment of thiourea.
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