Dextran sulfate
time:2012-09-27 17:30:25,count:0
Synthesis
Dextran and sulfur trioxide react, finally obtain product.
US patent 4,855,416 (Method for the manufacture of dextran sulfate and salts thereof) presents a synthetic process.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Actives, %, ≥
85.0
Loss on drying, %, ≤
10.0
Test Methods
(1), Actives
 
(2), Loss on drying
105°C, 6h.
2. Hazardous substances indexes
Item
Hazardous substances indexes
Heavy metals (as Pb), mg/Kg, ≤
20
As, mg/Kg, ≤
3
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic