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zb6824785

木虫 (小有名气)

[求助] 求助顶空气相色谱方面的几句翻译(中译英)

液液萃取法,需要高纯溶剂, 容易产生溶剂峰干扰, 富集倍数小,优点是重复性好。
直接水样注射法,存在水的干扰,且对色谱柱有损害, 检出限过高, 优点是简单方便。
固相萃取法对低浓度回收率不高,耗费时间,优点是富集倍数大。
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Easony

至尊木虫 (知名作家)

老顽童

【答案】应助回帖

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zb6824785: 金币+20, 翻译EPI+1, ★★★★★最佳答案 2014-02-28 16:40:38
Liquid-liquid extraction, need high purity solvent, prone to interference, solvent peak concentration multiple small, the advantage is good repeatability.
The interference of direct water injection, water, and has harm to the chromatographic column, high detection limit, the advantage is easy and convenient.
Solid phase extraction recovery of low concentration is not high, time consuming, advantage is enrichment ratio.
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2楼2014-02-28 14:38:14
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