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paradisewu2

铜虫 (小有名气)

[求助] 用Terephthalic acid测试OH基团。

请问大家,有没有人做过用teraphthalic acid 来测试OH基团啊?我配的溶液浓度是
5 × 10−4 M terephthalic acid (TA) solution with 2 ×10−3 M NaOH solution,把光催化材料放入其中,平衡半小时,再光照五十分钟, 怎么发现光谱(315 nm激发)和没照之前没什么区别啊。换了几种材料都一样。请问有谁知道我哪出问题了吗?谢谢!
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匿名

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感谢参与,应助指数 +1
王晓萌: 金币+1, 谢谢分享! 2013-05-29 21:38:47
本帖仅楼主可见
2楼2013-05-28 21:50:32
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木棉寒枝

铁杆木虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
王晓萌: 金币+1, 谢谢分享! 2013-05-29 21:38:41
paradisewu2: 金币+5, ★★★很有帮助, 谢谢,我再试试 2013-05-30 20:25:39
楼主加的NaOH太多了,我用的比例是10mM的TA和3mM的NaOH,参考刘岗的文章,你之前的TAOH强度很高,光照之后增加一点点就显得杯水车薪啊
3楼2013-05-29 21:24:44
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