... yellow, sorrel crystalline powder CAS NO.1314-62-1 Density: 3.357g/cm3(solid) Melting point:690 °C (963 K) ... ,B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Li,Mg, Mo, Mn, Na, Ni, Pb, Si, Sn, Ti, ZnTotal ... (SO4)0.01Ammonium salts(NH4)0.02sodium(Na)0.02iron(Fe) 0.01Heavy metal (Pb)0.0026. AR (Analytial reagent) ... (SO4)0.04Ammonium salts(NH4)0.10sodium(Na)0.10iron(Fe) 0.03Heavy metal(Pb)0.01050kg / iron drum- ...