AN-H-137
Determination of hydrochloric acid and hydrofluoric acid in etching baths using thermometric titration
Tóm tắt
Thermometric titration is used to determine hydrochloric acid and hydrofluoric acid (hydrogen fluoride) in etching baths containing ethanol and acetonitrile. Two endpoints appear on the titration curve that are used individually for the quantification of the respective acid.
