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Specifications of vitamin C
Appearance : White or almost white crystal crystalline powder
Taste:Sweet
Assay:99.0-100.5%
Specifications of vitamin C
Appearance : White or almost white crystal crystalline powder
Taste : Sweet
Assay : 99.0-100.5%
Identification : Positive reaction
Melting point : About 190 °C
PH : 2.1 – 2.6
Moisture : Max. 0.4 %
Copper : Max.5ppm
Heavy metals : Max. 10 ppm
Mercury : Max.0.1ppm
Lead : Max.2ppm
Arsenic : Max. 3 ppm
Cadmium : Max.1ppm
Oxalic acid : Max.0.2%
Iron : Max.2ppm
Sulphate ash : Max.0.1%
Specific optical rotation : +20.5°- +21.5°
Mesh :40-100 mesh