| Customization: | Available |
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| CAS No.: | 50-81-7 |
| Formula: | C6h8o6 |
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| Characters | White or almost white,crystalline powder or colourless crystals |
| Identification | Corresponds |
| Melting point | 189ºC~193ºC |
| PH (5%,W/V) | 2.1~2.6 |
| PH (2%,W/V) | 2.4~2.8 |
| Specific optical rotation | +20.5°~+21.5° |
| Appearance of solution | Solution S is clear and not more intensely coloured than reference solution BY7 |
| Heavy metals | <=10 ppm |
| Assay | 99.0%~100.5% |
| Copper | <= 5ppm |
| Iron | <= 2ppm |
| Mercury | <= 1ppm |
| Arsenic | <=3ppm |
| Lead | <=2ppm |
| Oxalic acid (impurity E) | <=0.2% |
| Loss on drying | <=0.4% |
| Sulphated ash | <=0.1% |
| Impurity C | <=0.15% |
| Impurity D | <=0.15% |
| Unspecified impurities | <=0.10% |
| Total | <=0.2% |
| Methanol | <=3000ppm |
| TAMC | 103 cfu/g |
| TYMC | 102 cfu/g |
| E.coli | Absence |
Q1.How to proceed an order for each product?
First, pls send us an enquiry to let us know your requirements(important);Second, we will send you complete quote including shipping cost;Third, confirm order and send payment/deposit;Four, we will arrange production or deliver goods after receiving bank receipt.
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