Item	STANDARD
Specific rotatory power[α]?D20	-215o -225o
Clarity	>= 98.0%
Ammonium salt[NH4]	=< 0.02%
Chloride[CL]	=< 0.02%
Residue on ignition	=< 0.10%
Sulfate[SO4]	=< 0.02%
Iron salt[Fe]	=< 10 ppm
Heavy metal[Pb]	=<10 ppm
Arsenic salt	=<1 ppm
Other amino acid	Color layer can not be checked out.
Loss on drying	0.20%
Content	98.5 -101.0%

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