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.

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个题合。

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.

酸银准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中巯基杂环合和硫脲衍生含量。