Potassium hydroxide
- 产品描述
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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 -----
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