LABOGENS MAGNESIUM SULPHATE (heptahydrate) 5KG

Water insoluble matter max 0.025% Free alkali(as NaOH) max 0.008% Free acid(as H2SO4) max 0.01% Chloride(Cl) max 0.014% Phosphate (PO4) max 0.002% Ammonium (NH4) max 0.005% Heavy metals(as Pb) max 0.001% Arsenic(As) max 0.0002% Iron(Fe) max 0.001% Selenium(Se) max 0.001% Loss on drying(4500C) max 48-52%