Potassium niobate12030-85-2100 % similar Barium niobium oxide (banb2O6)12009-14-250 % similar Potassium tantalum oxide (ktao3)12030-91-050 % similar Potassium titanium oxide (K2tio3)12030-97-650 % similar Cadmium niobium oxide (cd2nb2O7)12187-14-350 % similar Potassium tetraborate1332-77-050 % similar Potassium manganate10294-64-140 % similar Potassium permanganate7722-64-740 % similar Potassium dichromate7778-50-940 % similar Potassium chromate7789-00-640 % similar Niobium7440-03-133 % similar Potassium hydride7693-26-733 % similar Heavy water7789-20-033 % similar