With toluene instead of benzene, the improved copper soap method possesses less toxicity, good stability and repeatability.

对铜皂法进行改进，用甲苯代替了苯，改进的铜皂法具有毒性小、结果稳定、重复性好的优点。

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With toluene instead of benzene, the improved copper soap method possesses less toxicity, good stability and repeatability.

对铜皂法进行改进，用甲苯代替了苯，改进的铜皂法具有毒性小、结果稳定、重复性好的优点。

youdao