|
Product Name:
|
L-leucine
|
|
Specification:
|
AJI92
|
|
Packing:
|
In 25kgs fiber drum
|
|
Shelf Life:
|
48 months from date of production
|
|
Storage:
|
Keep container unopened in cool, dry place
|
|
|
|
Analysis
|
Specification
|
|
|
|
|
Description:
|
White crystals or crystalline powder
|
|
|
|
|
Identification:
|
Infrared absorption spectrum
|
|
|
|
|
Specific rotation[a] D 25°:
|
+ 14.9 O ~+ 16.0 O
|
|
|
|
|
State of solution:
|
NLT98.0%
|
|
|
|
|
Chloride(cl):
|
NMT 0.02%
|
|
|
|
|
Ammonium(NH4):
|
NMT 0.02%
|
|
|
|
|
Sulfate(SO4):
|
NMT 0.02%
|
|
|
|
|
Iron(Fe):
|
NMT10PPM
|
|
|
|
|
Heavy Metals(Pb):
|
NMT10PPM
|
|
|
|
|
Arsenic(As203)
|
NMT1PPM
|
|
|
|
|
Other amino acids:
|
Conforms
|
|
|
|
|
Loss on drying:
|
NMT 0.2%
|
|
|
|
|
Residue on ignition(sulfated):
|
NMT 0.1%
|
|
|
|
|
PH:
|
5.5-6.5
|
|
|
|
|
Assay：
|
99.0~100.5%
|
