L-Valine

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Product Name: L-Valine
Batch No.: LB******
Quality: AJI97
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	Crystalline powder
Identification （ IR ）	Concordant with the reference spectrum	Concordant with the reference spectrum
Assay	9 8.5 ~ 10 1.0 %	99.5%
PH	5.5 ~ 6.5	6.0
Specific rotation	27.6 ° ~ 29.0 °	2 8.3 °
State of solution (Transmittance T 430 )	clear & colorless ≥98.0%	clear & colorless 99. 5 %
Chloride(Cl)	≤0.02%	<0.02%
Ammonium(NH 4 )	≤0.02%	<0.02%
Sulfate(SO 4 )	≤0.02%	<0.02%
Iron(Fe)	≤10ppm	<10ppm
Heavy metals(Pb)	≤10ppm	<10ppm
Arsenic(As)	≤1ppm	<1ppm
Other amino acids	≤0.5%	＜ 0.5%
Loss on drying	≤0.20%	0.1 2 %
Residue on ignition	≤0.10%	0.0 3 %

Product Name: L-Valine
Batch No.: LB******
Quality: USP24
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	crystalline powder
Identification （ IR ）	Concordant with the reference spectrum	Concordant with the reference spectrum
Assay	98.5 ~ 101.5%	99. 2 %
Specific rotation	26.6 ° ~ 28.8 °	27.8 °
PH	5.5-7.0	6. 7
Chloride	≤0.05%	<0.05%
Sulfate(SO4)	≤0.03%	<0.03%
Iron	≤30ppm	<30ppm
Heavy metals(Pb)	≤15ppm	<15ppm
Loss on drying	≤0. 3 0%	0. 16 %
Residue on ignition	≤0. 1 0%	0. 09 %
Organic volatile impurities	Meet the requirements	Meet the requirements

Product Name: L-Valine
Batch No.: LB******
Quality: USP37
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	crystalline powder
Identification （ IR ）	Concordant with the reference spectrum	Concordant with the reference spectrum
Assay （ Titration ）	98.5~101.5%	9 9.3 %
Specific rotation	26.6 ° ~ 28.8 °	27.8 °
PH	5.5-7.0	6. 7
Chloride	≤0.05%	<0.05%
Sulfate(SO4)	≤0.03%	<0.03%
Iron	≤30ppm	<30ppm
Heavy metals(Pb)	≤15ppm	<15ppm
Arsenic(As)	≤1ppm	<1ppm
Other amino acids	≤0.5%	＜ 0.5%
Loss on drying	≤0. 3 0%	0. 16 %
Residue on ignition	≤0. 1 0%	0. 05 %
Other amino acids	≤0.5%	＜ 0.5%
Organic volatile impurities	Meet the requirements	Meet the requirements