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D-(-)-Tartaric acid 99%
D-(-)-Tartaric acid 99%
Supplier:  Thermo Fisher Scientific
Certificatesundefined
D-(-)-Tartaric acid 99%
Supplier:  Thermo Fisher Scientific
Certificates

Specification Test Results

  • Appearance:
    White Crystalline powder or crystals
  • Infrared spectrum:
    Conforms
  • Melting point:
    167 to 171 °C
  • Loss on drying:
    ≤0.5 % (1 g, 105 °C, 3 hrs)
  • Sulfated ash:
    ≤0.1 %
  • Specific optical rotation:
    -11.0° to -13.0° (20 °C, 589 nm) (c=20, water)
  • Titration with NaOH:
    ≥98.5 %
  • Heavy metals (as Pb):
    ≤10 ppm

Specification Test Results

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