Potassium tetraborate1332-77-0100 % similar Lithium borate12007-60-250 % similar Ammonium boron oxide ((nh4)B5O8)12007-89-550 % similar Potassium niobate12030-85-250 % similar Potassium tantalum oxide (ktao3)12030-91-050 % similar Potassium titanium oxide (K2tio3)12030-97-650 % similar Potassium manganate10294-64-140 % similar Potassium permanganate7722-64-740 % similar Potassium dichromate7778-50-940 % similar Potassium chromate7789-00-640 % similar Boron7440-42-833 % similar Potassium hydride7693-26-733 % similar Heavy water7789-20-033 % similar