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Ammonia solution

Ammonia solution
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % 25.0~28.0 28.0~30.0 25.0~28.0
Appearance ----- Clear and colorless Clear and colorless -----
Color Hazen ≤10 ≤10 -----
Evaporation residue ppm ----- ≤10 ≤20
Particles(≥0.5um) piece/ml ≤25 ----- -----
Particles(≥0.3um) piece/ml ≤150 ----- -----
Particles(≥0.2um) piece/ml ≤300 ----- -----
Particles(≥1.0um) piece/ml ----- ≤25 -----
Chloride ppm ≤200 ≤500 ≤0.5
Phosphate ppm ≤200 ≤500 ≤1
Sulfate ppm ≤200 ≤1000 ≤2
Sulfide ppm ≤0.1 ≤0.2 ≤0.2
Carbonate ppm ≤20000 ≤20000 ≤10
Reduction potassium permanganate material(O) ppm ≤10 ≤50 ≤8
Aluminum ppb ≤10 ≤300 -----
Stibium ppb ≤5 ≤50 -----
Arsenic ppb ≤5 ≤50 -----
Barium ppb ≤100 ≤200 -----
Beryllium ppb ≤20 ----- -----
Bisumuth ppb ≤20 ----- -----
Boron ppb ≤10 ≤100 -----
Cadmiuth ppb ---- ---- -----
Calcium ppb ≤10 ≤300 ≤1000
Chromium ppb ≤10 ≤200 -----
Cobalt ppb ---- ---- -----
Copper ppb ≤10 ≤100 ≤100
Galium ppb ≤50 ≤20 -----
Germanium ppb ≤10 ----- -----
Gold ppb ≤20 ----- -----
Iron ppb ≤10 ≤100 ≤200
Lead ppb ≤10 ≤200 ≤500
Lithium ppb ----- ---- -----
Magnesium ppb ≤10 ≤300 ≤1000
Manganese ppb ≤10 ≤200 -----
Molybdenum ppb ----- ---- -----
Nickel ppb ≤10 ≤100 -----
Niobium ppb ----- ---- -----
Potassium ppb ≤10 ≤300 ≤1000
Silver ppb ≤10 ----- -----
Sodium ppb ≤10 ≤300 ≤5000
Strontium ppb ≤10 ----- -----
Tantalum ppb ≤10 ----- -----
Thallium ppb ≤10 ----- -----
Titanium ppb ≤10 ≤300 -----
Tin ppb ≤10 ≤300 -----
Vanadium ppb ---- ---- -----
Zinc ppb ≤10 ≤300 -----
Zirconium ppb ≤10 ----- -----

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