L-精氨酸盐酸盐USP31

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L-精氨酸盐酸盐USP31

CAS no.: 1119-34-2

Test ItemsLimit

Identification

as per USP31

Specific  rotation

between +21.4o to +23.6o

Loss on drying

not more than 0.2%

Residue on ignition

not more than 0.1%

Chloride

16.5%--17.1%

Sulfate

  not more than 0.03%

Heavy metals

  not more than 0.002%

Chromatographic purity

    as per USP31

Organic volatile impurities

    as per USP31

Residual solvents

  conform the requirments

Assay

      98.5% to 101.5%

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