Determination of hydrochloric acid and nitric acid in etching baths using thermometric titration

AN-H-136

pt_BR

<p>Thermometric titration is used for the determination of hydrochloric acid and nitric acid in acid baths. The entire acid content is titrated with caustic soda in the initial titration; the hydrochloric acid content is then determined in a second titration using silver nitrate solution.</p>