≥1 piece |
Specification\ Name
|
Sodium hyaluronate(Cosmetic Grade)
|
Characters
|
White or almost white powder
|
Sodium Hyaluronate (dry basis)
|
90%-105%
|
Glucuronic acid
|
≥ 42.0%
|
PH (0.1% Water Solution)
|
6.07.5
|
Molecular Weight
|
(0.8-1.8)*10 6
|
protein
|
≤ 0.1%
|
Transparency (0.1% Solution)
|
≥ 99%
|
Loss on drying
|
≤ 10.0%
|
Heavy metals (as Pb)
|
≤ 20ppm
|
Arsenic
|
≤ 2ppm
|
Bacteria count
|
≤ 100CFU/g
|
Mold & yeast
|
≤ 10 CFU/g
|
Pseudomonas aeruginosa
|
Negative
|
Staphylococcus aureus
|
Negative
|
Packing
|
According to the request of the customers
|
Storage
|
Stored in an airtight container at 2-8
|
Validity
|
Two years
|