This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍了以30%浓度的双氧水作为氧化剂氧化
、氨基来制备相应的和氨基
化合物。
（
thiocarbamide，用治疗甲亢、照相术）This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍了以30%浓度的双氧水作为氧化剂氧化、氨基来制备相应的和氨基化合物。
Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.
本文对巯基乙酸的合成工艺进行了比较研究,认为氢化钠法和代酸钠法生
成本低,适宜选矿用巯基乙酸的生,
法可得到较高浓度的巯基乙酸。
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