Potassium hydroxide 45% in aqueous solution, BAKER ANALYZED®, Electronic Grade for microelectronic, J.T.Baker®

Specification Test Results

• Assay (KOH):
  45.0 - 46.5 %
• Color (APHA):
  ≤10
• Appearance:
  Passes Test
• Density (g/mL) at 25°C:
  1.45 - 1.47
• Identification:
  Passes Test
• Insoluble Matter:
  ≤30 ppm
• Potassium Carbonate (K₂CO₃):
  ≤1000 ppm
• Ammonium Hydroxide Precipitate:
  ≤30 ppm
• Chloride (Cl):
  ≤30 ppm
• Nitrogen Compounds (as N):
  ≤2 ppm
• Phosphate (PO₄):
  ≤1 ppm
• ACS - Sulfate (SO₄):
  ≤5 ppm
• Trace Impurities - Aluminum (Al):
  ≤5.000 ppm
• Trace Impurities - Chromium (Cr):
  ≤5.0 ppm
• Trace Impurities - Copper (Cu):
  ≤0.050 ppm
• Heavy Metals (as Ag):
  ≤3 ppm
• Trace Impurities - Iron (Fe):
  ≤1 ppm
• Trace Impurities - Lead (Pb):
  ≤2.000 ppm
• Trace Impurities - Mercury (Hg):
  ≤0.10 ppm
• Trace Impurities - Nickel (Ni):
  ≤1.000 ppm
• Trace Impurities - Sodium (Na):
  ≤200.000 ppm
• Trace Impurities - Zinc (Zn):
  ≤5.000 ppm