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KMID : 0370219790230010001
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Yakhak Hoeji
1979 Volume.23 No. 1 p.1 ~ p.6
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The Biodegradability and Toxicity of Polyoxyethylene-Alkyl Citric Diester-Triethanolamine Detergent
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권숙표/Kwon SP
정용/Chung Y
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Abstract
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The authors investigated the biodegradability and toxicity of polyoxyethylene-alkyl citric diester-triethanolamine(PAT), which is one of new non-ionic detergents. 1) The PAT is very biodegradable, which 50% is biodegraded for one day and 100% for eight days by the activated sludge treatment and 40% for one day and 93% for eight days by the aerobic domestic sewage treatment. 2) LD50 of PAT for chicken, mouse, and Tat by oral adminstration are 7.1g/kg, 8.4g/kg and 14.0g/kg respectively. 3) TLm of PAT for goldfish is 64.0mg/l in 24 hours. 4) No reaction for humun skin is determined by PAT.
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