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phoxim

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[求助] 英语翻译求助

At the completion of the reaction, the dispersion of the organic sulfur compound is caused to settle out of the solution. The supernatant  liquid is withdrawn and the dispersion is diluted with water to a volume of about 300-400 ml.
One mol of sodium hydrosulfide and one mol of sodium sulfite are dissolved in the aqueous dispersion and the mixture is heated with agitation to about 50 to 60°C. for an hour.
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chemistry2228

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在反应完成时,有机硫化合物在溶液中析出。除去上层液后用300-400毫升的水洗涤析出物。然后将一摩尔的硫氢化钠和亚硫酸钠溶解在上述溶液中,搅拌加热到大约50到60℃约一个小时。
2楼2011-05-03 17:42:31
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chemistry2228

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phoxim(金币+30, 翻译EPI+1): 硫氢化钠和亚硫酸钠放在一起他们反应就析出硫磺,【然后将一摩尔的硫氢化钠和亚硫酸钠溶解在上述溶液中】总感觉不对 2011-05-03 18:16:15
不好意思再改改,意思如下:
在反应完成时,有机硫化合物从溶液中析出来。除去上层溶液后用300-400毫升的水洗涤析出物。然后将一摩尔的硫氢化钠和一摩尔的亚硫酸钠溶解在上述溶液中,搅拌并加热至50-60℃约一个小时。
3楼2011-05-03 17:45:02
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phoxim

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硫氢化钠和亚硫酸钠放在一起他们反应就析出硫磺,
4楼2011-05-03 18:13:04
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