Strontium tungsten oxide (srwo4)13451-05-3100 % similar Tungstic acid7783-03-167 % similar Barium tungstate7787-42-050 % similar Potassium tungstate (K2wo4)7790-60-550 % similar Calcium tungstate7790-75-250 % similar Sodium tungstate dihydrate10213-10-240 % similar Heavy water7789-20-033 % similar