Hydrofluoric acid


  • 产品描述
    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 -