L-Glutamine

AJI92

USP40

Description

White crystals or crystalline powder

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Identification

Conform

Conform

Assay

99.0%～101.0%

98.5%～101.5%

pH

4.5~6.0

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Transmittance

≥98.0%

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Loss on drying

≤0.30%

≤0.3%

Residue on ignition

≤0.10%

≤0. 3%

Chloride

≤0.020%

≤0.05%

Heavy Metals

≤10ppm

≤15ppm

Iron

≤10ppm

≤30ppm

Sulfate

≤0.020%

≤0.03%

Bulk density

／

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Arsenic

≤1ppm

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Ammonium

≤0.10%

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Other amino acids

Conforms

Conforms

Pyrogen

Conforms

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Total plate count

／

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E.coli

／

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Specific Rotation

+34.2°~ +36.2°

+6.3°~+7.3°

Staphylococcus aureus

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Salmonell

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