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1 Kilogram |
Negotiable |
Sodium Hyaluronate Hyaluronic Acid Sodium Salt Benzocaine
test items |
specification |
appearance |
white powder |
glucuronic acid |
≥45.0% |
sodium hyaluronate |
≥91.0% |
transparency |
≥99.0% |
ph |
6.0-7.5 |
molecular weight,da |
(0.8-2.0)×106 |
protein |
≤0.05% |
loss on drying |
≤8.0% |
heavy metal (as pb), ppm |
≤10 |
residue on ignition |
≤15% |
arsenic,ppm |
≤2 |
sterility test |
comply |
bacterial endotoxin |
<1eu/mg |
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