乙撑硫脲
- 网络etu;ethylenethiourea;S-ETU
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顶空气相色谱法测定大白菜中的乙撑硫脲
Determination of ethylenethiourea in Chinese Cabbage by head space-gas chromatography
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建立了一种采用高效液相色谱仪测定乙撑硫脲(ETU)在西瓜、瓜叶和瓜田土壤中残留量的分析方法。
A determination method of ethylene thiourea ( ETU ) residue in watermelon , watermelon leaf and soil by high performance liquid chromatography ( HPIC ) has been established .
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代森锰锌废水中乙撑硫脲的高效液相色谱分析
Quantitative Analysis of ETU in Mancozeb Waste Water by HPLC
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西瓜、瓜叶及瓜田土壤中乙撑硫脲残留量的液相色谱分析方法研究
Study on Determination Method of ETU Residue in Watermelon , Watermelon Leaf and Soil by HPLC
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本文采用雷尼镍催化剂吸附乙撑硫脲中的硫,生成硫化镍,加入浓盐酸,使硫化镍全部转化为硫化氢,通过气相色谱测定顶空气体中硫化氢的含量,可间接测定乙撑硫脲的含量。
The content of ethylenethiourea in Chinese cabbage is progressively analysed by raney-niccolum catalyst absorption , dense hydrochloric acid acidation and gas chromatography determination .