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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)

4 河流底泥硫化物的测定( GC-9A/FPD)
取25ml 顶空瓶加1.0g 河流沉积物, 加5.0ml蒸馏水, 摇动使沉积物均匀分散,
加入1:1 硫酸1.0ml, 使硫化物生成H2S, 迅速盖塞, 摇动1min,于室温静置30min,
使其充分平衡。用气密型注射器取100μl顶空气体进样, 记录色谱峰面积。
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jiangguofeng

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zb6824785: 金币+20, 翻译EPI+1, ★★★★★最佳答案, Thanks a lot! 2014-02-28 12:18:49
4 Determination of sulfide in river sediments (GC-9AFPD)
To a 25ml headspace vial, add 1.0g of river sediment and 5.0ml of distilled water,

after shaking thoroughly, add 1.0ml of 1:1 sulfuric acid to produce H2S from sulfide,

cap plug rapidity, shake for 1 min,allow to stand at room temperature for 30 min to

reach an equilibrium.Inject 100μl of headspace gas with a vapor-tight syringe, record

the chromatograms.
2楼2014-02-28 10:37:06
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