Item

Standard

Appearance

White powder

Specific rotation[α]20/D

(C=8 in 6N HCl)

+20.8 to +21.5 Degree

State of solution

(Transmittance)

Clear and colorless not less than 98.0%

Chloride (Cl)

19.12% to 19.51%

Ammonium (NH4)

Not more than 0.20%

Sulfate (SO4)

Not more than 0.020%

Iron (Fe)

Not more than 10ppm

Heavy metal(Pb)

Not more than 10ppm

Arsenic(As2O3)

Not more than 1ppm

Other Amino Acids

Chromatographically

Not detectable

Loss on drying

Not more than 0.40%

Residue on ignition(sulfated)

Not more than 0.10%

Assay

98.5% to 101.0%

PH

5.0 to 6.0

Supply reference

Production Process

Packing specification

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Quote reference           Yuan/Ton          

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