- Amine[1]
- Ester & Derivatives[1]
- Organic Salt[6]
- Chemical Auxiliary Agent[3]
- Chemical Reagents[10]
- Daily Chemicals[1]
- Feed Additives[6]
- Food Additives[10]
- Alkali[1]
- Inorganic Acids[4]
- Carbonate[10]
- Chlorate[2]
- Chloride[2]
- Nitrate[2]
- Other Inorganic Salts[1]
- Phosphate[4]
- Sulphate[10]
- Oxide[3]
- Water Treatment[7]
- Talc[2]
Ascorbic Acid
Product Detailed
Ascorbic Acid-white crystal or crystalline power.
Characteristics: white crystalline powder
Identification: positive reaction
Melting point: 191-192
pH: 2.2-2.5
Clarity of solution: clear
Color of solution: BY7 max.
Copper: 5ppm max.
Heavy metal: 3ppm max.
Iron: 2ppm max.
Oxalic acid: 0.2% max.
Sulphate ash (residue on ignition): 0.1% max.
Specific optical rotation: +20.5 ~ +21.5 degrees
Organic impurity: pass
Assay: 99.0-100.0%
