Potassium hydroxide


  • 产品描述
    project unit Advanced Electronics Reagent grade
    UP grade specification EL grade specification AR grade specification
    content % ≥95.0 45.0-47.0 ≥85.0
    Chroma ----- white flake or granular white flake or granular white flake or granular
    Exterior ----- white flake or granular ----- white flake or granular
    Clarity test Number ≤1 ----- ≤4
    Particles (≥0.5um) pcs/ml ≤25 ----- -----
    Particles (≥0.3um) pcs/ml ≤150 ----- -----
    Particles (≥0.2um) pcs/ml ≤300 ----- -----
    Particles (≥1.0um) pcs/ml ----- ----- -----
    Ignition residue (calculated as sulfate) ppm ----- ≤50 -----
    Chloride (Cl) ppm ≤5000 ≤50000 ≤100
    Sulfate (SO4) ppm ≤5000 ≤10000 ≤50
    Total nitrogen (N) ppm ≤5000 ≤5000 ≤10
    Silicate (SiO3) ppm ≤3 ----- ≤200
    Phosphate (PO4) ppm ≤10 ≤2000 ≤50
    Al ppm ≤5 ----- ≤50
    Arsenic (As) ppb ≤30 ----- -----
    Barium (Ba) ppb ≤10 ----- -----
    Be ppb ≤5 ----- -----
    Bi ppb ≤5 ----- -----
    Boron (B) ppb ≤10 ----- -----
    Cadmium (Cd) ppb ≤10 ----- -----
    Calcium (Ca) ppb ≤100 ----- ≤50000
    Chromium (Cr) ppb ≤10 ----- -----
    Cobalt (Co) ppb ≤10 ----- -----
    Copper(Cu) ppb ≤10 ----- -----
    Ga ppb ≤10 ----- -----
    (Ge) ppb ≤10 ----- -----
    Gold (Au) ppb ≤10 ----- -----
    Iron (Fe) ppb ≤50 ≤5000 ≤10000
    Sodium (Na) % ≤0.5 0.03% ≤2.0
    Lead (Pb) ppb ≤50 ---- ≤20000
    Lithium (Li) ppb ≤10 ---- -----
    Magnesium (Mg) ppb ≤10 ----- -----
    Manganese (Mn) ppb ≤10 ----- -----
    Mo ppb ≤10 ----- -----
    Ni ppb ≤80 ≤5000 ≤5000
    Niobium (Nb) ppb ≤10 ----- -----
    strontium (Sr) ppb ≤10 ----- -----
    Silver (Ag) ppb ≤5 ----- -----
    Tantalum (Ta) ppb ≤10 ----- -----
    Thallium (Tl) ppb ≤10 ----- -----
    Tin (Ti) ppb ≤10 ----- -----
    Tin (Sn) ppb ≤10 ----- -----
    Vanadium (V) ppb ≤10 ----- -----
    Zinc (Zn) ppb ≤80 ----- -----
    Zirconium (Zr) ppb ≤10 ----- -----
    carbonate % ----- ≤0.5 -----