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爱太阳的风

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Such compositions could also include other active agents designed to assist in ..... Preferably, they should be present in an amount of from about 0.1% to about .... The compositions can also contain a chelating agent such as disodium EDTA or sodium citrate in an amount generally between about 0.01  

The composition can also include a quelating agent, such as disodium EDTA or sodium citrate, in an amount between 0.01 and 0.1%.
两个比对一下,应该就是螯合剂。
3楼2015-03-22 15:48:20
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爱太阳的风

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sequestering agents          quelating agent           chelating agent
应该是螯合剂
2楼2015-03-22 15:33:37
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