This standard specifies the method principle, reagents, instruments, analysis steps and calculation of analysis results using potentiometric titration to determine the nitric acid (ρ1.42g/ml) content in zinc electroplating and cadmium electroplating nitric acid passivation solutions. This standard is applicable to the determination of nitric acid content in nitric acid passivation solutions for zinc electroplating and cadmium electroplating. Measuring range: 5～20g/L.
HB/Z 5109.8-2001 history
2001HB/Z 5109.8-2001 Analysis method for passivation solution Determination of nitric acid in zinc plating, cadmium plating nitric acid passivation solution through potentiometric titration