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任静晓

金虫 (初入文坛)

[求助] 淀粉里面的二氧化硫是否以游离状态存在

淀粉里面的二氧化硫是否以游离状态存在
最近看一朋友做实验,问及淀粉中SO2的测定,但是没有用KON进行反应,所以想知道,淀粉中的SO2是否以游离态存在,所以才可以直接用I2进行滴定测定
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爱乐乐

铜虫 (小有名气)

问题问的我都没读懂,
2楼2012-10-25 17:49:12
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