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L-Leucine

Product Name : L-Leucine

CAS NO.: 61-90-5

Standard: EP5

 

Test Items

Standard

Identification :

Appearance :

 

Appearance of solution:

 

Specific rotation:

Ninhydrin-positive substances:

Chlorides:

Sulfates:

Ammonium:

Iron:

Heavy metals:

Loss on drying:

Sulphated ash:

Assay:

 

Conforms (As per EP5)

A white or almost white crystalline

powder or shiny flakes

Clear and not more intensely coloured

than reference solution BY 6

+14.5° to +16.5°

Conforms (As per EP5)

≤200ppm

≤300ppm

≤200ppm

≤10ppm

≤10ppm

≤0.5%

≤0.1%

98.5% to 101.0% , on dry

 

 
   
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