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Nitric acid

Nitric acid
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % 69.0~70.0 65~68 65~68
Color Hazen ≤10 ≤10 ≤20
Ignition residue(sulphate) ppm ---- ≤10 ≤10
Particles(≥0.5um) piece/ml ≤25 ----- -----
Particles(≥0.3um) piece/ml ≤150 ----- -----
Particles(≥0.2um) piece/ml ≤300 ----- -----
Chloride ppb ≤80 ≤80 ≤500
Phosphate ppb ≤200 ≤200 -----
Sulfate ppb ≤500 ≤500 ≤2000
Aluminum ppb ≤5 ≤200 -----
Stibium ppb ≤5 ---- -----
Arsenic ppb ≤10 ≤50 ≤10
Barium ppb ≤10 ---- -----
Beryllium ppb ≤10 ----- -----
Bisumuth ppb ≤10 ----- -----
Boron ppb ≤10 ≤100 -----
Cadmiuth ppb ≤5 ---- -----
Calcium ppb ≤10 ≤200 -----
Chromium ppb ≤10 ≤100 -----
Cobalt ppb ----- ---- -----
Copper ppb ≤10 ≤50 ≤100
Galium ppb ≤10 ----- -----
Germanium ppb ≤5 ----- -----
Gold ppb ≤5 ----- -----
Iron ppb ≤5 ≤200 ≤300
Lead ppb ≤10 ≤100 ≤100
Lithium ppb ≤5 ---- -----
Magnesium ppb ≤10 ≤300 -----
Manganese ppb ≤10 ≤200 -----
Molybdenum ppb ----- ---- -----
Nickel ppb ≤10 ≤50 -----
Niobium ppb ----- ---- -----
Potassium ppb ≤5 ≤300 -----
Silver ppb ----- ---- -----
Sodium ppb ≤5 ≤300 -----
Strontium ppb ≤10 ----- -----
Tantalum ppb ≤10 ----- -----
Thallium ppb ≤10 ----- -----
Titanium ppb ≤10 ≤300 -----
Tin ppb ≤10 ≤300 -----
Vanadium ppb ≤10 ---- -----
Zinc ppb ≤10 ≤300 -----
Zirconium ppb ≤10 ----- -----

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