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Orthoboric acid 99.5% for analysis
Orthoboric acid 99.5% for analysis
New Product
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Orthoboric acid 99.5% for analysis
New Product

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Specification Test Results

  • Appearance:
    White Crystalline powder or crystals
  • pH:
    3.6 to 4.0 (4 % at 20°C)
  • Titration with NaOH:
    ≥99.4 %
  • Chloride (Cl):
    ≤3 ppm
  • Phosphate (PO4):
    ≤5 ppm
  • Sulfate (SO4):
    ≤5 ppm
  • Arsenic (As):
    ≤0.5 ppm
  • Cadmium (Cd):
    ≤5 ppm
  • Calcium (Ca):
    ≤20 ppm
  • Copper (Cu):
    ≤5 ppm
  • Iron (Fe):
    ≤1 ppm
  • Magnesium (Mg):
    ≤5 ppm
  • Zinc (Zn):
    ≤5 ppm
  • Heavy metals (as Pb):
    ≤5 ppm
  • Insoluble matter:
    ≤0.005 % (in methanol)
  • Non-volatiles w. MeOH/HCl:
    ≤0.05 %

Specification Test Results