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zb6824785

木虫 (小有名气)

[求助] 求助关于顶空气相色谱方面的文献翻译(中译英)

3 标准加入法
取3 个25ml 顶空瓶分别加入5.0ml 城市自来水, 再加入浓度分别为77.72 和
98.24μg/ml 的一溴二氯甲烷和二溴一氯甲烷标样各1.0、2.0 和3.0μl立即盖塞,
手动摇匀, 在15 ℃恒温静置5min, 用气密型注射器取100μl顶空气进样, 记录色谱峰面积。
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jiangguofeng

金虫 (著名写手)

【答案】应助回帖

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zb6824785: 金币+20, 翻译EPI+1, ★★★★★最佳答案, Many thanks! 2014-02-28 12:20:11
3 Standard addition method

To each of each of three 25ml headspace vials, add 5.0ml of city tap water respectively, then

add 1.0μl, 2.0μl and 3.0μl of bromodichloromethane sample at the concentrations of

77.72μg/ml and dibromochloromethane sample at the concentrations of

98.24μg/ml separately, cap plugs immediately, mix well manually, allow to stand at a

constant temperature of 15℃ for 5min, inject 100μl of headspace gas with a vapor-

tight syringe, record the chromatograms.
2楼2014-02-28 10:38:41
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