This standard specifies the method principle, reagents, analysis steps and calculation of analysis results for the determination of sulfate content in phosphating solutions using visual turbidimetry. This standard is applicable to the determination of sulfate content in phosphating solutions. Measuring range: 0.30~0.60g/L
HB/Z 5108.3-1999 history
1999HB/Z 5108.3-1999 Analytical method of phosphating solution - Determination of sulfate radical content by visual turbidimetry