L-Lysine Acetate

AJI92

USP40

EP6

Assay

98.5-101.0%

98.0-102.0%

98.5～101.0%

PH

6.5-7.5

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Specific rotation[a]D20

+8.5°-+10.0°

/

+8.5～+10.0

Specific rotation[a]D25

/

+8.4°-+9.9°

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Transmittance(T430)

≥98.0%

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Chloride(Cl)

≤0.02%

≤0.05%

≤0.02%

Ammonium(NH4)

≤0.02%

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≤0.02%

Sulfate(SO4)

≤0.02%

≤0.03%

≤0.03%

Iron(Fe)

≤10PPM

≤30PPM

≤30ppm

Heavy metals(Pb)

≤10PPM

≤15PPM

≤10ppm

Arsenic

≤1PPM

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Other amino acids

conform

individual impurities≤0.5%
 total impurities≤2.0%

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Ninhydrin-positive substances

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any impurity ≤0.5%

Loss on drying

≤0.20%

≤0.20%

≤0.50%

Residue on ignition

≤0.10%

≤0.4%

≤0.10%