| Packaging Details: | 25kg carton box ,1 FCL=20MT |
|---|---|
| Delivery Detail: | 2-3 weeks after the deposit |
Characteristics:White or almost white crystalline powder
Ascorbic acid (vitamin c) 1) BP2007/USP31/EP6/GB14754
2)High Purity 99.5% min
3)ISO9001 4)Reasonable price
Ascorbic acid (vitamin c)
Product name: Ascorbic acid (vitamin c)
CAS No.: 50-81-7
Molecular formula : C6H8O6
Molecular weight : 176.13
Ascorbic Acid Certification of Analysis
|
Item |
Specifications |
Results |
|
Characteristics |
White or almost white crystalline powder |
Pass |
|
Identification |
Positive reaction |
Pass |
|
Melting Point |
About 190°C |
191°C |
|
PH |
2.1-2.6 |
2.3 |
|
Clarity of solution |
Clear |
Pass |
|
Color of solution |
≤BY7 |
<BY7 |
|
Copper |
≤5ppm |
<5ppm |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Iron |
≤2ppm |
<2ppm |
|
Lead |
≤2ppm |
<2ppm |
|
Arsenic |
≤3ppm |
<3ppm |
|
Oxalic acid |
≤0.2% |
<0.2% |
|
Sulphated Ashes |
≤0.1% |
0.03% |
|
Specific optical Rotation |
+20.5°~ +21.5° |
+21.1° |
|
Assay |
99.0%-100.5% |
99.9% |
|
Organic volatile impurities |
Pass |
Pass |
|
Residual solvents |
Methanol: NMT 3000ppm |
<3000ppm |
Conclusion: The above product conforms to BP2007, USP31, EP6, GB14754
Features: 1) It contains over 99.5% of ascorbic acid 2) Mainly used in producing various medicines, it is an important medicine for clinical supplementary treatment 3) It can be used in food additive. It is a good and safe nutritional agent as well as an antiseptic and baking agent of flour processing 4) It can be used in feed additive and can improve animals' immunity from disease 5) VC fine-crystal and fine powder with 40-80, 30 - 300 mesh (US standard sieve)
Anna
Tel : 0311 6730 0879 Fax: 0311 6730 0879
E-mail:sales-5@granraybio.com
Webset:www.granraybio.com
Skype:an.na0210
Zhaocounty Granray Bioproducts Co., Ltd
Address:.Biotechnology industrial area Nanbaishe Town Zhaoxian ,Shijiazhuang City Hebei Province,China