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kingkocxr

金虫 (正式写手)

[求助] 蒽酮-浓硫酸溶液正常是什么颜色?

蒽酮比色法中用到0.2%的蒽酮-浓硫酸溶液。有的资料上讲现配现用,有的资料上讲当日配用。当我将浓硫酸倒入放有蒽酮的锥形瓶以后,一开始是黄色,有些许的晶体没溶解得完,放一会儿之后,会变成深黄色(有点褐色了)。而当我早上配完,下午再去实验室的时候看到的却是深蓝绿色。做空白对照,不加糖时,经煮沸后全变成蓝绿色,比样品的颜色还深,吸光值都是负值!

请问蒽酮-浓硫酸溶液正常是什么颜色?怎么配制、如何用才正确?
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kingkocxr

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引用回帖:
Originally posted by 西西很可怜 at 2011-07-01 16:46:09:
http://zhidao.baidu.com/question/95736671.html
这个可以吧?

Thanks.But我已经在网上看到这些了。
3楼2011-07-01 19:52:46
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西西很可怜

禁虫 (文坛精英)

十亿光年培优班学委——西西

【答案】应助回帖

I can
2楼2011-07-01 16:46:09
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