ITEMS

LIMIT

RESULT

Appearance

 White or light brown powder and granule

 Light brown powder and granule

L-Lysine Hydrochloride

(Dry Basis),%

≥98.5

98.80

L-Lysine

(Dry Basis),%

≥78.8

79.25

Specific Rotation [a]²⁰_D

+18.0^o~+21.50^o

+18.69^o

Loss on Drying,%

≤1.0

0.43

Crude Ash,%

≤0.3

0.13

Ammonium (NH4+ ),%

≤0.04

＜0.04

 Heavy Metal (Pb),mg/kg

≤10

＜10

Arsenic(AS),mg/kg

≤1

＜1