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

Certification of Analysis

Items of analysis	Specification	Results
Appearance	White Crystalline Powder	White Crystalline Powder
Heavy metals（Pb）	≤10ppm	<10ppm
Specific rotation	+14.9°~+16.0°	+15.6°
Chloride content	≤0.02%	0.01%
Loss on drying	≤0.20%	0.09%
Residue on ignition	≤0.10%	0.06%
pH	5.5-6.5	6.0
Arsenic(As2o3)	≤1ppm	<1ppm
Sulfate (SO4)	≤0.02%	<0.01%
Iron(Fe)	≤5ppm	<5ppm
Assay	99.0~100.5%	99.3%
Remark	Declaration: For laboratory use by technically qualified individual only
Conclusion	It accords with the Enterprise Standard

Analyst: Jack Fu Check: Anne Zhang Date: 2013-05-25