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ice254430

木虫 (正式写手)

[求助] 【求助】谷胱甘肽和氯金酸反应出现白色浑浊物,如何避免?

按照 Ghosh A, Udayabhaskararao T, Pradeep T. One-Step Route to Luminescent Au18SG14 in the Condensed Phase and Its Closed Shell Molecular Ions in the Gas Phase[J]. Journal of Physical Chemistry Letters, 2012, 3(15):1997-2002.的方法。参考“1.2 mL methanolic solution, containing 150 mg of HAuCl4.3H2O, 1.8 mL water was added. 300 mg of glutathione was added to it. The solution was sonicated to dissolve glutathione. During sonication, the color of the solution changed from yellow to almost colorless.”
我在制备好甲醇、水、谷胱甘肽的澄清溶液, 往其中加入1滴氯金酸溶液,立刻出现白色浑浊。试了很多次,溶液一直没有出现澄清,每次都是一接触就白色浑浊。这是为什么?如何解决
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ice254430

木虫 (正式写手)

问题基本解决。通过实验发现,继续加入氯金酸可以使白色消失,估计白色浑浊为GSH。
2楼2019-10-27 16:27:09
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fyqweas

至尊木虫 (知名作家)

引用回帖:
2楼: Originally posted by ice254430 at 2019-10-27 16:27:09
问题基本解决。通过实验发现,继续加入氯金酸可以使白色消失,估计白色浑浊为GSH。

巯基修饰么?

发自小木虫IOS客户端
默默的承受这
3楼2019-10-28 22:26:11
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time zone

金虫 (正式写手)

引用回帖:
2楼: Originally posted by ice254430 at 2019-10-27 16:27:09
问题基本解决。通过实验发现,继续加入氯金酸可以使白色消失,估计白色浑浊为GSH。

请问最终的溶液是黄色的吗,我每次都是无色的
4楼2024-01-17 09:46:22
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