Vitamin C
Basic Info
Model No.: BP USP EP
Product Description
Specification:
product | Vitamin C | |
standard | BP2010/USP34/EP6 | |
01 | Items | Standard value |
02 | characteristics | White or almost white crystalline powder |
03 | identification | Positive reaction |
04 | Melting point | About 190C |
05 | PH | 2.1-2.6 |
06 | Clarity of solution | clear |
07 | Colour of solution | ≤BY7 |
08 | copper | ≤5ppm |
09 | Heavy metals | ≤10ppm |
10 | lead | ≤2ppm |
11 | iron | ≤2ppm |
12 | arsenic | ≤3ppm |
13 | Oxalic acid | ≤0.2% |
14 | Sulphate ash (residue on ignition) | ≤0.1% |
15 | Specific optical rotation | +20.5~+21.5 |
16 | Assay | 99.0%~100.5% |
17 | Organic volatile impurities | pass |
18 | Residual solvents | Methanol: NMT 3000 ppm;; |
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Product Categories : Vitamins&Trace Elements
