Minimum assay (Arg)...................................................................... 99,0 %

pH of 5% solution.......................................................................... 5,3-8,5

MAX. IMPURITIES

Insoluble matter in H2O................................................................... 0,01 %

Iodine-consuming substances (I)................................................... 0,05 %

Chloride (Cl).................................................................................... 0,01 %

Sulphate (SO4)................................................................................ 0,05 %

Sulphide (S).................................................................................. 0,002 %

Ammonium (NH4)............................................................................ 0,02 %

Heavy metals (as Pb).................................................................... 0,001 %

Cu................................................................................................. 0,001 %

Fe.................................................................................................. 0,001 %

Na................................................................................................... 0,05 %

Pb................................................................................................. 0,001 %