Assay....................................................................................98,0-102,0 %

MAX. IMPURITIES

Insoluble matter.............................................................................. 0,01 %

Appearance and colour of solution.............................................. 0,005 %

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

Ca................................................................................................... 0,01 %

Fe.................................................................................................. 0,002 %

K................................................................................................... 0,005 %

Mg................................................................................................ 0,002 %

Na................................................................................................... 0,02 %