This standard specifies the method principle, reagents, instruments, analysis steps and calculation of analysis results for the determination of sulfuric acid and phosphoric acid content in electrochemical polishing solutions using potentiometric titration. This standard is applicable to the determination of sulfuric acid and phosphoric acid content in electrochemical polishing solutions. Measuring range: sulfuric acid 390~430g/L; phosphoric acid 430~650g/L.
HB/Z 5105.3-2000 Referenced Document
GB 601-1988 Preparation of Standard Solutions for Titration Analysis (Volume Analysis) of Chemical Reagents