Specs:95% 98% (drug/cosmetic/ food /grade)

Test Items	Specification	Test Results
Appearance	White Powder	White Powder
Glucuronic Acid	44.0min	47.20
Sodium hyaluronate(dry basis)	90.0-105.0%	99.57%
600nm (1-300 )	0.01Max	0.005
260nm (1-300 )	0.5Max	0.180
pH(0.1%Water Solution)	6.0-7.5	6.50
Transparency (0.1% Solution)	99%min	99.10%
,DaMolecular Weight,Da	ACCORDING TO YOUR REQUEST	5000  dalton to 1.68*106
Protein,%	<0.1	0.020%
Chlorides	<0.5%	0.09%
Intrinsic viscosity	1.75 m3/kg min	1.81m3
Loss on Drying	8.0%Max	3.20%
Residue on Ignition, %	20.0Max	7.20%
Heavy Metals??as Pb??,ppm	<10PPM	3PPM
Iron	80ppmMax	11ppm
Arsenic	<2PPM	0.5ppm
Granule	100%Pass100Screen Mesh	100%Pass100Screen Mesh
Bacteria Count,CFU/mg	<100 CFU/g	16CFU/g
Bacteria Endotoxin	0.05 CFU/mgMax	0
Pseudomonas aeruginosa	Negative	Negative
Staphylococcus aureus	Negative	Negative
Escherichia Coli	Negative
Other Indexes of Microorganism	Negative
Conclusion	Accord with The National Standard  or usp28 or Ep5 OR BP2003