Application: Used extensively in food, drink, vegetables in soy, tobacco, drugs,
cosmetics, agricultural products, forage and other domain. As acidic preservative,
also used well in neutral food (ph6.0-6.5).
Specifications:
1) Quality grade: FCC (IV)
2) Assay (dry basis): 98.0 - 101.0%
3) Appearance: white or yellow granules
4) Acidity (ascorbic acid): passes test (about 1%)
5) Free alkali (as K2CO3): passes test (about 1%)
6) Loss on drying: 1.0% (max.)
7) Heavy metals (as Pb): 10ppm (max.)
8) Arsenic (as As): 3ppm.