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Product Name:

L-Arginine

CAS No.:

74-79-3

Test Items

Limit

Result

Appearance

White or almost white crystalline powder or colorless crystals

Conform

Identification

as per USP29

Conform

Specific rotation

+26.3° to +27.7°

+27.5°

Loss on drying

not more than 0.5%

0.11%

Residue on ignition

not more than 0.3%

0.04%

Chloride

not more than 0.05%

<0.05%

Sulfate

not more than 0.03%

<0.03%

Iron

not more than 0.003%

<0.003%

Heavy metals

not more than 0.0015%

<0.0015%

Chromatographic purity

as per USP29

Conform

Organic volatile impurities

as per USP29

Conform

Assay

98. 5% to 101. 5%

99.76%

Conclusion: The products conform to USP29 standard.

Storage:Preserve in well-closed containers and protected from light