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ltgalaxyyx

新虫 (小有名气)

[求助] 溴甲酚绿-甲基红的配制

配制溴甲酚绿-甲基红时,用乙醇稀释至100mL,是在烧杯中稀释至100mL呢?还是现在烧杯中溶解后定容至100mL呀?
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gumingxin812

禁虫 (小有名气)

本帖内容被屏蔽

2楼2018-05-08 13:48:44
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haozii

木虫 (著名写手)

目测指示剂,不用太精确

发自小木虫Android客户端
喵~o( =∩ω∩= )m
3楼2018-05-08 17:41:43
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allahpan

至尊木虫 (职业作家)

这个大概就行了,不用这么精确

发自小木虫Android客户端
4楼2018-05-09 06:58:49
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