Assay85% minVolatile acids(as acetic acid)0.001% maxChloride (Cl)0.0005% maxFluoride (F)0.001% maxNitrate (NO3)0.0003% maxNitrate (NF-meth)Passes testphosphite and hypophosphite as (H3PO3)0.02% maxHypophosphite, phosphitePasses testSulphate (SO4)0.005% maxHeavy metals (as Pb)0.001% maxAs (arsenic )0.0002% maxCd (cadmium )0.0001% maxCu (copper )0.002% maxFe (iron )0.005% maxHg (mercury )0.0001% maxK(Potassium)0.005% maxNa (Sodium)0.003% maxPb (lead)0.001%Zn (zinc)0.002% max

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