Jinan Hongfangde Pharmatech Co.,Ltd.

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200/0.5Hydroxyethyl Starch200/0.5 , CAS 9005-27-04 ;HES 200/0.5;

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Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Inspection Items	Accepted Standard	Results
Appearance	White or off white powder	Off white powder
Optical rotation	﹢182.0°～﹢192.0°	﹢186.0°
clarity and color of solution	λ450nm absorbance <0.058,turbidity not deeper than NO1 standard	Complies
Identification	(1)To complies positive reaction	Complies
Identification	(2) complies with standard	Complies
pH	4.5-6.5	6.2
Intrinsic viscosity [η]	15.0-19.0	17.5
Heavy metals	≤ 10ppm	Complies
Loss on drying	≤ 5.0%	3.8％
Sodium chloride(NaCl)	≤ 0.1％	<0.1％
MS	0.43-0.55	0.49
Glycol	≤ 0.062％	Complies
Chlorethyl alcohol	≤ 0.002％	Complies
weight-average molecular weight	180000-290000	213350
weight-average molecular weight(10％department)	≤780000	547000
weight-average molecular weight(90％department)	≥15000	26069
Microbial pollution	Yeast and mould<10	Complies
Assay(on dry base ,deducts the sodium chloride)	98.0％～101.5％	100.1％
Conclusion : Complies with enterprise standard

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