Abstract:U,08 and ZrO,, is fused with six to seven grams sodium bisulphate and the melt dissolved in cold water. The solution is mixed with fifty cc. hydrogen peroxide and poured into a casserole containing five grams pure sodium hydroxide dissolved in fifty cc. water and fifty cc. hydrogen peroxide. No precipitate forms at first, but after heating on the water-bath for a half hour the zirconium oxide settles to the bottom of the dish as a very heavy precipitate which is filtered and washed with hot water. The precipit… Show more
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