Formula: CH4O3SN.W.: 96.10Item specification test resultsAppearance clear transparent solution conformsAssay 70% min 70.36%Hazen 10 max 8Cl: 5ppm max 3ppmSulphate: 20ppm max 18ppmFe: 3ppm max 2ppmHeavy metal: 5ppm max 2ppm