This standard specifies the method principle, reagents, instruments, analysis steps and calculation of analysis results for the determination of sulfuric acid (ρ1.84g/ml) content in zinc electroplating and cadmium diacid passivation solutions using potentiometric titration. This standard is applicable to the determination of sulfuric acid content in zinc electroplating and cadmium diacid passivation solutions. Measuring range: 5~25g/L.
HB/Z 5109.2-2001 history
2001HB/Z 5109.1-2001 Analysis method for passivation solution Determination of sodium bichromate content in zinc plating, cadmium plating diacid passivation solution through potentiometric titration