Leucine
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Certification of Analysis
Product Name
Leucine
CAS No
61-90-5
Catalog No
SC-9638
Quantity
200kg
Batch No
20130525
Product Date
2013.05.25
Date of analysis
2013.05.25
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
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