Analytical Procedure

Specification

Identification

To Pass

L-Arginine

56.5%--58.5%

L-Pyroglutamine

41.5%--43.5%

Loss on drying

NMT 0.5%

Residue on Ignition

NMT 0.1%

Clarity and Color of Solution

Clear and colorless (10% solution)

Heavy Metals

NMT 10 ppm

Transmittance

NLT 95.0%

Specific rotation ( °)[α]_D20

+16.0 ± 1.0 º (8g/100ml,6N HCl)

Chlorides

NMT 200 ppm

Sulfate

NMT 100 ppm

Arsenic

NMT 1 ppm