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An analytical method of soap biodegradability with fatty acid p-BPB derivatives
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1993, v.6 no.1, pp.9-19
Oh,
S., Lee,
J., Chung,
Y., Chang,
S., &
Kim,
Y.
(1993). An analytical method of soap biodegradability with fatty acid p-BPB derivatives. Analytical Science and Technology, 6(1), 9-19.
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Abstract
Fatty acid salts derived from soap can be transferred into a typical derivative with p-bromophenacyl bromide using crown ether, a catalizer by the solid-liquid phase transfer reaction in nonpolar, aprotic solvents and separated by the reverse phase high performance liquid Chromatography (RP-HPLC) and determined using UV detector. The minimal limit of detection was defined at approximately 10~50ng in accordance with the chain length. The derivatization reaction in the presence of EDTA can be applied mot only to the calcium salts but also to the other various metal salts. The recoveries of fatty acid derivatizations in the absence and presence of the midium containing the yeast extract were obtained <TEX>$95.4{\pm}1.2$</TEX>, and <TEX>$85.2{\pm}2.4%$</TEX> respectively. The analytical method would be applicable to determine the biodegradation of fatty acid salts in nature as well as in artificial condition such as shaker flask-medium method.
- keywords
- Fatty acid, p-BPB derivatives, Biodegradability
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