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paoying

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[求助] 求教碘量法测量SO2浓度的注意事项

用碘量法测量气体中SO2浓度时,要注意哪些方面才能尽可能减小误差;吸收液(氨基磺酸铵与硫酸铵的混合液)是不是必须要在冰箱内保存?
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【答案】应助回帖

paoying(金币+2): 2011-05-04 23:03:45
paoying(金币+1): 2011-05-07 19:07:07
应该放在冰箱内常温,避免光照,最好用棕色的瓶子吸收液
彪悍的人生
2楼2011-05-04 19:58:19
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