L(+)-Kyselina askorbová 99%

: Thermo Fisher Scientific

L(+)-Kyselina askorbová 99%

: Thermo Fisher Scientific

:50-81-7

:

:C₆H₈O₆

:MFCD00064328

:13,00837

:553 °C (1013 hPa)

:1,694 g/cm³ (20 °C)

:Ambient

:200-066-2

:exempt

Appearance:
White to off-white Crystalline powder or crystals
Infrared spectrum:
Conforms
Titration Iodimetric:
≥98.5 %
Sulfated ash:
≤0.1 %
Solubility:
(5 % in water) Passes test
pH:
2.1 to 2.6 (5 % in water)
Specific optical rotation:
+20.5° to +21.5° (20°C, 589 nm) (c=10, H2O)
Copper (Cu):
≤5 ppm
Iron (Fe):
≤2 ppm
Heavy metals (as Pb):
≤10 ppm
Impurity:
≤0.2 % Oxalic acid

ACRO10502

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