Hydrofluoric acid
- 产品描述
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project unit Advanced Electronics Reagent grade UP grade specification EL grade specification AR grade specification content % 49.0～50.0 49.0~50.0 ≥40.0 Exterior - clear colorless clear colorless - Ignition residue (calculated as sulfate) ppm - ≤5 ≤20 Particles (≥0.5um) pcs/ml ≤25 - - Particles (≥0.3um) pcs/ml ≤150 - - Particles (≥0.2um) pcs/ml ≤300 - - Particles (≥1.0um) pcs/ml - ≤25 - Fluorosilicate H2SiF6 ppm ≤100 ≤200 ≤400 Chloride (Cl) ppm ≤5000 ≤5000 ≤10 Nitrate (NO3 ) ppm ≤3000 ≤3000 - Phosphate (PO4 ) ppm ≤1000 ≤1000 ≤2 Sulfates and Sulfites (SO4) ppm ≤5000 ≤5000 ≤20 Al ppb ≤10 ≤50 - Antimony (Sb) ppb ≤15 ≤30 - Arsenic (As) ppb ≤15 ≤30 - Barium (Ba) ppb ≤10 - - Be ppb ≤5 - - Bi ppb ≤5 - - Boron (B) ppb ≤10 ≤50 - Cadmium (Cd) ppb ≤10 - - Calcium (Ca) ppb ≤10 ≤300 - Chromium (Cr) ppb ≤10 ≤10 - Cobalt (Co) ppb - - - Copper(Cu) ppb ≤10 ≤50 - Ga ppb ≤10 - - Ge ppb ≤10 - - Gold (Au) ppb ≤10 - - Iron (Fe) ppb ≤10 ≤200 ≤1000 Lead (Pb) ppb ≤10 ≤100 ≤5000 Lithium (Li) ppb ≤5 - - Magnesium (Mg) ppb ≤10 ≤200 - Manganese (Mn) ppb ≤10 ≤200 - Mo ppb ≤10 - - Ni ppb ≤10 ≤100 - Niobium (Nb) ppb - - - Potassium (K) ppb ≤10 ≤300 - Silver (Ag) ppb ≤5 - - Sodium (Na) ppb ≤10 ≤300 - strontium (Sr) ppb ≤10 - - Tantalum (Ta) ppb ≤10 - - Thallium (Tl) ppb ≤10 - - Tin (Ti) ppb ≤10 ≤300 - Tin (Sn) ppb ≤10 ≤300 - Vanadium (V) ppb ≤10 ---- - Zinc (Zn) ppb ≤10 ≤300 -
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