Silver nitrate is a salt.

硝酸银是一种盐类化合。

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.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光的巯基环化合脲衍生的含量。