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suruiqin

版主 (知名作家)

【答案】应助回帖

感谢参与,应助指数 +1
如果那样为什么不用费休氏法测定呢
所有的成就都源于新的挑战
11楼2012-08-17 16:26:51
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cheungbb

银虫 (初入文坛)

【答案】应助回帖

干燥失重的话很难做的,因为KOH与空气中的水和CO2都是有反应的,这个东西我们是测过的,是用的卡尔费修法,卡尔费修库伦水分仪加装卡式炉,加热KOH使水分挥发进入电解液中测定
12楼2012-08-30 15:31:36
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liuxx1683

木虫 (小有名气)

引用回帖:
12楼: Originally posted by cheungbb at 2012-08-30 15:31:36
干燥失重的话很难做的,因为KOH与空气中的水和CO2都是有反应的,这个东西我们是测过的,是用的卡尔费修法,卡尔费修库伦水分仪加装卡式炉,加热KOH使水分挥发进入电解液中测定

嗯,我们最后也是这么测的
13楼2012-09-01 08:42:29
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