Заводская Поставка Лучшего Качества L аргинин порошок L аргинин

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Products Description




Product Name:
L  Arginine
Spec./Purity:
99%
Appearance:
White Powder
CAS NO.:
74-79-3
MF:
C6H14N4O2
Shelf Life:
2 Years


COA


L-Arginine
USA index
AJI92
Europe index
First grade
Assay
98.5-101.5%
99.0-101.0%
98.5-101.0%
≥98.5%
PH
/
4.7-6.2
/
/
Specific rotation[a]D20
+21.4°-+23.6°
+22.1°-+22.9°
+21.0°-+23.5°
+21.5°-+23.5°
Specific rotation[a]D25
/
/
/
/
Transmittance(T430)
/
≥98.0%
clear & colorless ≤BY6
≥98.0%
Chloride(Cl)
16.5-17.1%
16.58-17.00%
/
16.5-17.1%
Ammonium(NH4)
/
≤0.02%
≤0.02%
≤0.02%
Sulfate(SO4)
≤0.03%
≤0.02%
≤0.03%
≤0.02%
Iron(Fe)
/
≤10PPM
≤10PPM
≤10PPM
Heavy metals(Pb)
≤20PPM
≤10PPM
≤10PPM
≤10PPM
Arsenic
/
≤1PPM
/
≤1PPM
Other amino acids
individual impurities≤0.5% total impurities≤2.0%
conform
/
≤0.20%
Ninhydrin-positive substances
/
/
conform
/
Loss on drying
≤0.20%
≤0.20%
≤0.50%
≤0.20%
Residue on ignition
≤0.10%
≤0.10%
≤0.10%
≤0.10%
Organic volatile impurities
/
/
/
/
Endotoxin
/
/
/
conform
protein
/
/
/
no precipitate


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