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L-Valine

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Shandong kaiteda Chem

China

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Contact Person allen

LIQUAN, Binzhou, Shandong

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Description

L-Valine

Corn starch is powder through flooding, broken, separate, refining and dry from corn as raw materials, the color and luster is pure white, the smell is pure, widely used in food, medicine, starch deep processing, chemical industry,etc.

FCC4
Item	Limit	Result
Assay	98.5～101.5%	99.8%
pH	5.5～7.0	5.9
Specific rotation[a]D20	+26.5°～+29.0°	+28.2°
Heavy metals(Pb)	≤20ppm	< 20ppm
Loss on drying	≤0.30%	0.10%
Residue on ignition	≤0.20%	0.01%

AJI92
Item	Limit	Result
Assay	99.0～100.5%	99.9%
pH	5.5～6.5	6.0
Specific rotation[a]D20	+27.6°～+29.0°	+28.2°
State of solution	≤20ppm	clear & colorless
(Transmittance T430)	≤0.30%	99.1%
Chloride(Cl)	≤0.20%	< 0.02%
Ammonium(NH4)	≤0.02%	< 0.02%
Sulfate(SO4)	≤0.02%	< 0.02%
Iron(Fe)	≤10ppm	< 10ppm
Heavy metals(Pb)	≤10ppm	< 10ppm
Arsenic(As2o3)	≤1ppm	< 1ppm
Other amino acids	≤0.5%	< 0.5%
Loss on drying	≤0.20%	0.11%
Residue on ignition	≤0.10%	0.02%

USP24
Item	Limit	Result
Assay	98.5～101.5%	?99.8%
pH	5.5～7.0	5.8
Specific rotation[a]D20	+26.6°～+28.8°	+28.2°
Chloride(Cl)	≤0.05%	< 0.05%
Sulfate(SO4)	≤0.03%	< 0.03%
Iron(Fe)	≤30ppm	< 30ppm
Heavy metals(Pb)	≤15ppm	< 15ppm
Arsenic(As)?	≤1.5ppm	< 1.5ppm
Loss on drying	≤0.30%	0.08%
Residue on ignition	≤0.10%	0.02%
Organic volatile impurities	conform	conform

L-Valine

Shandong kaiteda Chem

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L-Valine

Shandong kaiteda Chem

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