... in electromagnet,oxygen of strontium and iron,can crank out mini television and be used for adding hydrogen.Moreover,used in ... (SrCO3),% ≥99.0Barium(Ba),% ≤0.03Calcium(Ca),% ≤0.03Iron(Fe),% ≤0.001Sulfate(SO4),% ≤0.01Moisture,% ≤0.2Chloride(Cl),% ≤0.002Pb,% ≤0.0005Mg,% ≤0.001Average granular size:1.84um ...