Nitric acid


  • 产品描述
    project  unit Advanced Electronics Reagent grade
    UP grade specification EL grade specification AR grade specification
    content % 69.0~70.0 65~68 65~68
    Chroma Hazen ≤10 ≤10 ≤20
    Ignition residue (calculated as sulfate) ppm ---- ≤10 ≤10
    Particles (≥0.5um) pcs/ml ≤25 ----- -----
    Particles (≥0.3um) pcs/ml ≤150 ----- -----
    Particles (≥0.2um) pcs/ml ≤300 ----- -----
    Chloride (Cl) ppb ≤80 ≤80 ≤500
    Phosphate (PO4) ppb ≤200 ≤200 -----
    Sulfate (SO4) ppb ≤500 ≤500 ≤2000
    Al ppb ≤5 ≤200 -----
    Antimony (Sb) ppb ≤5 ---- -----
    Arsenic (As) ppb ≤10 ≤50 ≤10
    Barium (Ba) ppb ≤10 ---- -----
    Be ppb ≤10 ----- -----
    Bi ppb ≤10 ----- -----
    Boron (B) ppb ≤10 ≤100 -----
    Cadmium (Cd) ppb ≤5 ---- -----
    Calcium (Ca) ppb ≤10 ≤200 -----
    Chromium (Cr) ppb ≤10 ≤100 -----
    Cobalt (Co) ppb ----- ---- -----
    Copper(Cu) ppb ≤10 ≤50 ≤100
    Ga ppb ≤10 ----- -----
    Ge ppb ≤5 ----- -----
    Gold (Au) ppb ≤5 ----- -----
    Iron (Fe) ppb ≤5 ≤200 ≤300
    Lead (Pb) ppb ≤10 ≤100 ≤100
    Lithium (Li) ppb ≤5 ---- -----
    Magnesium (Mg) ppb ≤10 ≤300 -----
    Manganese (Mn) ppb ≤10 ≤200 -----
    Mo ppb ----- ---- -----
    Ni ppb ≤10 ≤50 -----
    Niobium (Nb) ppb ----- ---- -----
    Potassium (K) ppb ≤5 ≤300 -----
    Silver (Ag) ppb ----- ---- -----
    Sodium (Na) ppb ≤5 ≤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 -----
    Zirconium (Zr) ppb ≤10 ----- -----