Redwood is the manufacturer and supplier of Ascorbic Acid. We have been engaged in the production and sales of Ascorbic Acid for 10 years. If you have any questions about Ascorbic Acid, please Contact Redwood , we will contact you within 1 working day.
SUPPLIER: | REDWOOD BIOTECH CO., LTD |
PRODUCT: | Ascorbic Acid |
Specification: | BP2014/USP38/E300/FCC7/EP8.0 |
ITEM | Unin | STANDARD |
CHARACTERISTICS | - | White or almost white crystalline powder |
IDENTIFICATION | - | POSITIVE REACTION |
MELTING POINT | ℃ | ABOUT 190 ℃ |
PH VALUE | - | 2.1-2.6 |
CLARITY OF SOLUTION | - | CLEAR |
COLOUR OF SOLUTION | - | ≤BY7 |
COPPER | PPM | ≤5 |
HEAVY METALS (LEAD) | PPM | ≤10 |
LEAD | PPM | ≤2 |
IRON | PPM | ≤ 2 |
ARSENIC | PPM | ≤3 |
OXALIC ACID | % | ≤0.2% |
SULPHATE ASH (RESIDUE ON IGNITION) | % | ≤0.1% |
SPECIFIC OPTICAL ROTATION | - | +20.5 ~ +21.5 |
ASSAY | % | 99.0% ~ 100.5% |
ORGANIC VOLATILE IMPURITIES | - | PASS |