mercapto

By the reaction of 2 aryl 5 mercapto 1,3,4 triazoles with alkyl dihalide in presence of dilute base, ten new title compounds had been prepared.

以2-芳基-5-巯基-1，3，4-三唑为原料，在稀碱存在下与二卤代烷反应合成了10个新的标题化合物。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶，采用电位滴定法，连续测定酸镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。