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L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
Supplier:  VWR Chemicals
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L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
Supplier:  VWR Chemicals
Certificates

Specifications

  • Environmentally Preferable:

Specifications

Specification Test Results

  • Assay:
    99.0 - 100.5 %
  • Colour of solution (50 g/l; water):
    BY7
  • Melting point:
    182 - 192 °C
  • Specific optical rotation (10 %; water):
    20.5 - 21.5 °
  • Spec. optical rotation (25°C;10 %;water):
    20.5 - 21.5 °
  • Heavy metals (as Pb):
    Max. 10 ppm
  • Ignition residue (SO4):
    Max. 0.05 %
  • Loss on drying (105°C):
    Max. 0.1 %
  • Cl (Chloride):
    Max. 20 ppm
  • SO4 (Sulphate):
    Max. 20 ppm
  • Ca (Calcium):
    Max. 50 ppm
  • Cu (Copper):
    Max. 10 ppm
  • Fe (Iron):
    Max. 2 ppm
  • Pb (Lead):
    Max. 10 ppm

Specification Test Results

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