Best quality Dextran 40 High purity Dextran 40 Dextran 40 offer competitive price
Product name: Dextran 40
CAS No.:9004-54-0
Molecule Formula:[C6H10O5]n
Purity: 98.1%
Package: 25kg/drum
Description:White powder
Manufacture Standards:Enterprise Standard
TESTING ITEMS |
SPECIFICATIONS |
RESULTS |
Description |
White powder,odorless |
White powder |
Identification |
Positive reaction |
Confirms |
Chloride |
≤0.25% |
0.14% |
Specific |
+190°~200° |
+195.0° |
Loss on drying |
≤5.00% |
2.90% |
Heavy metals |
≤0.0008% |
<0.0008% |
Ignition residue |
≤0.50% |
0.19% |
Nitrogen content |
≤0.007% |
<0.005% |
Molecular weight and molecular division |
The heavy even molecular weight should be 32000~42000,10% macro-molecule part heavy even molecular weight do not be bigger than 120000,10% small molecular part heavy even molecular weight not to be smaller than 5000 |
The heavy even molecular weight is 34622,10% macro-molecule part heavy even molecular weight is 102958,10% small molecular part heavy even molecular weight is 7368. |
Conclusion: The Product Conforms to Enterprise Standard.
|
Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been making meticulous efforts in the production, research and development of new generation chemicals applied in a variety of industries like amino acids, food additive, pharma grade raw materials and so on. With many years industry experience, Siwei is one of the amino acids suppliers and exporters in China, serving bulk powder to industries like dietary supplement, nutritional supplement, functional food and drink.Health is more valuable than wealth. In the tenet of concern for human's life quality. Siwei devotes itself to manufacturing amino acids, which are the necessities for human health.
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