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Citric acid monohydrate is mainly used as an acidulant,flavorant and preservative in foods and beverages. It is also used as an antioxidant, plasticizer, and detergent builder.
ITEM | UNIT | BP2007 | USP30 | HSCA |
Description | Colorless or white crystalline powder or granule | |||
Identification | - | Pass | Pass | Pass |
Clarity of solution | - | Pass | Pass | Pass |
Color of solution | - | Pass | Pass | Pass |
Assay | % | 99.5--100.5 | 99.5--100.5 | 99.5--100.5 |
Water | % | 7.5-9.5 | 7.5-9.5 | 7.5-9.5 |
Aluminum | ppm | Less 0.2 | Less 0.2 | Less 0.2 |
Heavy metals | ppm | Less 10 | Less 10 | Less 5 |
Oxalic acid | ppm | Less 360 | Less 360 | Less 100 |
Sulphates | ppm | Less 150 | Less 150 | Less 50 |
Readily carbonizable substances | - | Pass | Pass | Pass |
Sulopated ash | % | Less 0.1 | Less 0.1 | Less 0.05 |
Bacterial endotoxins | I.U/mg | Less 0.5 | Pass | Less 0.5 |
citric acid monohydrate BP2004, Food grade