无水柠檬酸
详细说明
Citric Acid Anhydrous (77-92-9)
Formula: C6H8O7
M.W.: 192.13
Appearance: White crystals.
Specifications: BP/USP/FCC/E330
Characters | White or almost white, crystalline powder, colorless crystals or granules. Odorless, has a strongly acid taste. Effloresces in dry air. Very soluble in water, freely soluble in ethanol. |
Content | 99.5 – 100.5% |
Moisture | 0.5% max |
Oxalate | 100mg/kg max |
Sulphate | 150ppm max |
Readily carbonisable substances | Pass test |
Residue on ignition | 0.05% max |
Heavy metals | 10ppm max |
Arsenic | 1mg/kg max |
Lead | 0.5mg/kg max |
Mercury | 1mg/kg max |
Aluminium | 0.2ppm max |
Bacterial endotoxins | 0.5 IU/mg max |
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