Nitric Acid 65 % (Merck)

Description

Merck 65 % nitric acid is supplied in rigorous analytical quality (EMSURE®, Reag. Ph. Eur, ISO, catalogue 100456 or 100452) with a guaranteed assay of at least 65 % (alkalimetric), a color controlled to ≤ 10 Hazen, and virtually negligible impurities—chloride and phosphate each ≤ 0.2 ppm, sulfate ≤ 0.5 ppm, and total heavy metals (as Pb) ≤ 0.2 ppm; specialized batches limit mercury to ≤ 0.005 ppm, offering unmatched cleanliness for trace analysis

Physically, the acid is a colorless, strongly acidic liquid (pH <1), with a density of ~1.39 g/cm³ at 20 °C, boiling point 121 °C, melting point –32 °C, and vapor pressure of 9.4 hPa. It’s available in amber glass bottles (1 L, 2.5 L, 25 L), stored between +2 °C and +30 °C, and classified as a corrosive oxidizer with full GHS/EU hazard labeling