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ascorbic acid pharmaceutical grade with high quality

Product Description

Product Description

Ascorbic Acid.

BP/USP/FCC Ascorbic Acid is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.

Application OF BP/USP/FCCVII Ascorbic Acid .

1.Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2.Prevent formation of nitrous amine from nitrous acid in meat products.
3.Improve dough quality and make baked food expand to its maximum.
4.Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5.Used as nutritional element in additives,Feed Additives.

ITEM
STANDARD
Appearance
White or almost white crystal or crystalline powder
Identification
Positive
Melting point
191 °C ~ 192°C
pH (5%, w/v)
2.2 ~ 2.5
pH (2%,w/v)
2.4 ~ 2.8
Specific optical rotation
+20.5° ~ +21.5°
Clarity of solution
Clear
Heavy metals
≤0.0003%
Assay (as C 6H 8O6, %)
99.0 ~ 100.5
Copper
≤3 mg/kg
Iron
≤2 mg/kg
Mercury
≤1 mg/kg
Arsenic
≤2 mg/kg
Lead
≤2 mg/kg
Oxalic acid
≤0.2%
Loss on drying
≤0.1%
Sulphated ash
≤ 0.1%
Residual solvents (as methanol)
≤ 500 mg/kg
Total plate count (cfu/g)
≤ 1000
Yeasts & molds (cfu/g)
≤ 100
Escherichia. Coli/g
Absence
Salmonella/ 25g
Absence
Staphylococcus aureus/ 25g
Absence
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Product Categories : Vitamins