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三十年前,在无机分析中应用的有机試剂,祇是草酸、酒石酸、乙醇、乙醚等簡單化合物,以及若干有机染料如石蕊、甲基橙、酚酞、甲基紫、薑黄、茜素、虫紅等。这些染料,除几种用作酸碱指示剂外,一般課本都不采用。較复杂有机化合物最早采用于課本中的是丁二肟(Dimethylglyoxime),时为1923年。嗣后“銅铁試剂”(Cupferron)、“鋁試剂”(Aluminon)、亞硝基萘酚(α-nitroso-β-naphthol)、“鎂試剂”(p-nitrobenzene azoresor-
Thirty years ago, organic reagents used in inorganic analysis were only simple compounds such as oxalic acid, tartaric acid, ethanol and ether, and several organic dyes such as litmus, methyl orange, phenolphthalein, methyl violet, turmeric, alizarin, Insect red and so on. These dyes, in addition to several as acid-base indicator, the general textbooks are not used. The most complex organic compounds used in the textbook is dimethylglyoxime, when 1923. Subsequently, “Cupferron”, “Aluminon”, “α-nitroso-β-naphthol”, "p-nitrobenzene azoresor-