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Hydrofluoric Acid

Hydrofluoric Acid
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % 49.0~50.0 49.0~50.0 ≥40.0
Appearance - Clear and colorless Clear and colorless -
Ignition residue(sulphate) ppm - ≤5 ≤20
Particles(≥0.5um) 个/ml ≤25 - -
Particles(≥0.3um) 个/ml ≤150 - -
Particles(≥0.2um) 个/ml ≤300 - -
Particles(≥1.0um) 个/ml - ≤25 -
Fluosilicic Acid ppm ≤100 ≤200 ≤400
Chloride ppm ≤5000 ≤5000 ≤10
Nitrate ppm ≤3000 ≤3000 -
Phosphate ppm ≤1000 ≤1000 ≤2
Sulfate and Sulfite ppm ≤5000 ≤5000 ≤20
Aluminum ppb ≤10 ≤50 -
Stibium ppb ≤15 ≤30 -
Arsenic ppb ≤15 ≤30 -
Barium ppb ≤10 - -
Beryllium ppb ≤5 - -
Bisumuth ppb ≤5 - -
Boron ppb ≤10 ≤50 -
Cadmiuth ppb ≤10 - -
Calcium ppb ≤10 ≤300 -
Chromium ppb ≤10 ≤10 -
Cobalt ppb - - -
Copper ppb ≤10 ≤50 -
Galium ppb ≤10 - -
Germanium ppb ≤10 - -
Gold ppb ≤10 - -
Iron ppb ≤10 ≤200 ≤1000
Lead ppb ≤10 ≤100 ≤5000
Lithium ppb ≤5 - -
Magnesium ppb ≤10 ≤200 -
Manganese ppb ≤10 ≤200 -
Molybdenum ppb ≤10 - -
Nickel ppb ≤10 ≤100 -
Niobium ppb - - -
Potassium ppb ≤10 ≤300 -
Silver ppb ≤5 - -
Sodium ppb ≤10 ≤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 -

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