After extraction separation of gold by MIBK, lead, copper, iron, nickel in gold plating bath were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
Cholride ions in acid copper plating bath were determined by nephelometry with op emulsifier as stabilizer.
利用比浊法，以OP乳化剂作为稳定剂测定酸性镀铜液中的氯离子。
3
Effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied.