Erdosteine_CERTIFICATE OF ANALYSIS_DOCUMENTS & REFERENCE_Labseeker-Find chemicals, pharmaceuticals for your lab.

Certification of Analysis

Items of analysis	Specification	Results
Appearance	A white or almost white crystalline powder	White powder
MP	156℃~162℃	160.2℃~161.3℃
PH	2.5-3.5	2.91
Chlorides	≤0.025	Conforms
Sulfates	≤0.1%	Conforms
Related substance	≤1.0%	0.63%
Loss on drying	≤0.5%	0.40%
Residue on ignition	≤0.3%	0.09%
Heavy metals	≤20ppm	Conforms
Assay	98.0%~101.0%	99.2%
Remark	Declaration: For laboratory use by technically qualified individual only Store in cool & dry place, keep away from strong light and heat
Conclusion	It conforms to the enterprise specification.

Analyst: Jack Fu Check: Anne Zhang Date: 2013-07-01