L-ARGININE hcl EP5

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L-ARGININE hcl EP5

CAS no.: 1119-34-2

Test ItemsLimit

Identification

  as per EP5

Appearance of Solution

clear and not more intensely coloured than reference solution BY6

Specific optical  rotation

clear and colorless

     not less than 98.0%

Nihydrin-positive substances

     +21.0° --+23.5°

Loss on drying

        As per EP5

Sulphates

 ≤ 0.5%

Ammonium

   ≤ 300ppm

Iron

    ≤ 200ppm

Heavy metals

   ≤ 10ppm

Sulphated Ash

   ≤ 0.1%

Assay

98.5% to 101.0%