The concentration of free sulfuric acid in electrolytic solution is determined by potentiometry of the test sample.

Boric acid in Electrolyte solution is quantified according to JIS K 8863-2007 Boric Acid （Reagent）.

The concentration of Nickel sulfate in electrolytic colorant is measured by chelatometric titration・・・・

Quantification of Nickel in plating solution is performed by chelatometric titration with 0.1mol/L EDTA・・・・

Sodium hydroxide of anodizing solution for Alumite is measured by titration with 1mol/L Hydrochloric・・・・