Assay (Acidim.)...........................................................................99-102 %

pH of 5% solution............................................................................. 9-9,4

MAX. IMPURITIES

Insoluble matter in H2O................................................................. 0,005 %

Mono or tri-Base salt............................................................................ p/t.

Nitrogen compounds (as N)......................................................... 0,001 %

Chloride (Cl)................................................................................ 0,0005 %

Sulphate (SO4).............................................................................. 0,005 %

Heavy metals (as Pb).................................................................. 0,0005 %

As............................................................................................. 0,00005 %

Ca................................................................................................. 0,001 %

Cd............................................................................................... 0,0005 %

Co............................................................................................... 0,0005 %

Cr................................................................................................ 0,0005 %

Cu............................................................................................... 0,0005 %

Fe................................................................................................ 0,0005 %

K..................................................................................................... 0,01 %

Mg................................................................................................ 0,001 %

Mn.............................................................................................. 0,0005 %

Ni................................................................................................ 0,0005 %

Pb............................................................................................... 0,0005 %

Zn............................................................................................... 0,0005 %