Method for preparing urea peroxide containing organic titanium by recrystallization process
A urea peroxide, recrystallization technology, applied in organic chemistry, chemical instruments and methods, carboxylate preparation and other directions, can solve the problems of undiscovered, miscellaneous bands, etc., and achieve the effect of excellent stability
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[0048] Example 1
[0049] (1) Preparation of metatitanic acid:
[0050] a. Add 1000ml of ice water at 0℃~5℃ in a 1500ml beaker, and add 10ml hydrochloric acid and 20ml titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. Use 10% The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, and the temperature of the solution is controlled to be ≤5℃ and the pH value is 7.0~8.0, so that the metatitanic acid precipitates out in cold water of ≤5℃.
[0051] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,
[0052] c. After washing the metatitanic acid to remove chloride ions, part of the adsorbed water is removed by a centrifuge, and it can be used for acid-soluble chelation.
[0053] (2) Preparation of titanium citrate chelate:
[0054] a. Preparation of citric acid-metatitanic acid suspension mixture:
[0055] The metatita...
Example Embodiment
[0063] Example 2
[0064] (1) Preparation of metatitanic acid:
[0065] a. Add 1000ml of ice water at 0℃~5℃ in a 1500ml beaker, and add 10ml hydrochloric acid and 20ml titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. Use 10% The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, and the temperature of the solution is controlled to be ≤5℃ and the pH value is 7.0~8.0, so that the metatitanic acid precipitates out in cold water of ≤5℃.
[0066] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,
[0067] c. After washing the metatitanic acid to remove chloride ions, part of the adsorbed water is removed by a centrifuge, and it can be used for acid-soluble chelation.
[0068] (2) Preparation of titanium citrate chelate:
[0069] a. Preparation of citric acid-metatitanic acid suspension mixture:
[0070] The metatit...
Example Embodiment
[0078] Example 3
[0079] (1) Preparation of metatitanic acid:
[0080] a. Add 1000ml of ice water at 0℃~5℃ in a 1500ml beaker, and add 10ml hydrochloric acid and 20ml titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. Use 10% The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, and the temperature of the solution is controlled to be ≤5℃ and the pH value is 7.0~8.0, so that the metatitanic acid precipitates out in cold water of ≤5℃.
[0081] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,
[0082] c. After washing the metatitanic acid to remove chloride ions, part of the adsorbed water is removed by a centrifuge, and it can be used for acid-soluble chelation.
[0083] (2) Preparation of titanium citrate chelate:
[0084] a. Preparation of citric acid-metatitanic acid suspension mixture:
[0085] The metatit...
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