ExiPlus Meets compendial specs of Ph.Eur Appearance (Colour) Grey Appearance (Form) Fine powder free from aggregates Solubility (Turbidity) 10% solution 5N HCl Clear Solubility (Colour) 10% solution 5N HCl Colourless Assay min. 99.5% (Total zinc) Iron (Fe) max. 0.005 % Copper (Cu) max. 0.0005 % Lead (Pb) max. 0.01% Fatty matter Not detected Substances reducing Permanganate (O) max. 0.0015% Acid insoluble matter max. 0.01%