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.
文对巯基
的合
进行了比较研究,认为硫氢化钠法和硫代硫
钠法生产
低,
宜于选矿用巯基
的生产,而硫脲法可得到较高浓度的巯基
。
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.
文对巯基
的合
进行了比较研究,认为硫氢化钠法和硫代硫
钠法生产
低,
宜于选矿用巯基
的生产,而硫脲法可得到较高浓度的巯基
。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
文主要介绍了以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲类化合物。
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