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%浓度的双水作为
硫脲、氨
硫脲来制备相应的脲和氨
脲类
合物。
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%浓度的双水作为
硫脲、氨
硫脲来制备相应的脲和氨
脲类
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.
本文对巯乙酸的合成工艺进行了比较研究,认为硫氢
法和硫代硫酸
法
产成本低,适宜于选矿用巯
乙酸的
产,而硫脲法可得到较高浓度的巯
乙酸。
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