Nitric acid 65% Suprapur® 1 X 250 mL

Synonym(s): Nitric acid solution

Empirical Formula (Hill Notation): HNO3
CAS Number: 7697-37-2
Molecular Weight: 63.01

Nitric Acid 65% Suprapur® is a high-purity reagent-grade acid engineered for trace metal analysis where ultra-low contamination is essential. Manufactured for critical inorganic applications, this Suprapur® grade acid offers ppb-level impurity control, making it ideal for high-sensitivity environmental, semiconductor, and pharmaceutical testing.

Analysis Note
Assay (acidimetric): ≥ 65.0 %
Chloride (Cl): ≤ 50 ppb
Phosphate (PO₄): ≤ 10 ppb
Sulphate (SO₄): ≤ 200 ppb
Ag (Silver): ≤ 0.5 ppb
Al (Aluminium): ≤ 10.0 ppb
As (Arsenic): ≤ 0.5 ppb
Au (Gold): ≤ 0.1 ppb
Ba (Barium): ≤ 0.5 ppb
Be (Beryllium): ≤ 0.5 ppb
Bi (Bismuth): ≤ 0.5 ppb
Ca (Calcium): ≤ 10.0 ppb
Cd (Cadmium): ≤ 0.5 ppb
Co (Cobalt): ≤ 0.5 ppb
Cr (Chromium): ≤ 1.0 ppb
Cu (Copper): ≤ 0.5 ppb
Fe (Iron): ≤ 2.0 ppb
Ga (Gallium): ≤ 0.1 ppb
Ge (Germanium): ≤ 0.1 ppb
Hg (Mercury): ≤ 1.0 ppb
In (Indium): ≤ 0.5 ppb
K (Potassium): ≤ 10.0 ppb
Li (Lithium): ≤ 0.5 ppb
Mg (Magnesium): ≤ 10.0 ppb
Mn (Manganese): ≤ 0.5 ppb
Mo (Molybdenum): ≤ 0.5 ppb
Na (Sodium): ≤ 10.0 ppb
Ni (Nickel): ≤ 5.0 ppb
Pb (Lead): ≤ 2.0 ppb
Pt (Platinum): ≤ 0.5 ppb
Sb (Antimony): ≤ 0.5 ppb
Sn (Tin): ≤ 0.5 ppb
Sr (Strontium): ≤ 0.5 ppb
Ti (Titanium): ≤ 1.0 ppb
Tl (Thallium): ≤ 0.5 ppb
V (Vanadium): ≤ 0.5 ppb
Zn (Zinc): ≤ 2.0 ppb
Zr (Zirconium): ≤ 1.0 ppb
Residue on ignition (as sulphate): ≤ 2 ppm
Actual analysis values are subject to unavoidable systematic variations in this concentration range
The actual values are subject to unavoidable systematic
variations in this concentration range.

Legal Information
SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany