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Production method of magnesium citrate

A production method, magnesium citrate technology, applied in chemical instruments and methods, separation/purification of carboxylic acid compounds, carboxylate preparation, etc., can solve the problems of doping and low crystal content of magnesium citrate, and achieve high purity , speed up the dissolution rate, improve the effect of purity

Pending Publication Date: 2022-05-06
NINGXIANG XINYANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the preparation method of magnesium citrate in the related art, encapsulation and excess of reactants are prone to occur in the process of producing magnesium citrate crystals, and the resulting magnesium citrate crystals are doped with reactants, and the content of magnesium citrate crystals lower defect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Present embodiment is a kind of production method of magnesium citrate, comprises the following steps:

[0042] S1, preparation of citric acid solution:

[0043] Add citric acid to water to prepare a citric acid solution with a mass fraction of 10%.

[0044] S2. Ultrasonic microwave reaction:

[0045] Add magnesium oxide to the citric acid solution prepared in step S1 (wherein the molar ratio of magnesium oxide to citric acid is 3:2.05), control the ultrasonic power to 100W, and the microwave power to 300W, at a temperature of 70°C React for 6 minutes to prepare a reaction solution.

[0046] S3. Crystallization:

[0047] Cool the reaction solution to 10°C for crystallization for 10 minutes, separate the solid from the liquid, collect the solid phase, and spray dry it at 220°C for 15 hours to obtain anhydrous magnesium citrate.

Embodiment 2

[0049] Present embodiment is a kind of production method of magnesium citrate, comprises the following steps:

[0050] S1, preparation of citric acid solution:

[0051] Add citric acid to water to prepare a citric acid solution with a mass fraction of 15%.

[0052] S2. Ultrasonic microwave reaction:

[0053] Add magnesium oxide to the citric acid solution prepared in step S1 (wherein the molar ratio of magnesium oxide to citric acid is 3:2.05), control the ultrasonic power to 100W, and the microwave power to 300W, at a temperature of 70°C React for 6 minutes to prepare a reaction solution.

[0054] S3. Crystallization:

[0055] Cool the reaction solution to 10°C for crystallization for 10 minutes, separate the solid from the liquid, collect the solid phase, and spray dry it at 220°C for 15 hours to obtain anhydrous magnesium citrate.

Embodiment 3

[0057] Present embodiment is a kind of production method of magnesium citrate, comprises the following steps:

[0058] S1, preparation of citric acid solution:

[0059] Add citric acid to water to prepare a citric acid solution with a mass fraction of 10%.

[0060] S2. Ultrasonic microwave reaction:

[0061]Add magnesium oxide to the citric acid solution prepared in step S1 (wherein the molar ratio of magnesium oxide to citric acid is 3:2.10), control the ultrasonic power to 100W, and the microwave power to 300W, at a temperature of 70°C React for 6 minutes to prepare a reaction solution.

[0062] S3. Crystallization:

[0063] Cool the reaction solution to 10°C for crystallization for 10 minutes, separate the solid from the liquid, collect the solid phase, and spray dry it at 220°C for 15 hours to obtain anhydrous magnesium citrate.

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Abstract

The invention discloses a production method of magnesium citrate, which comprises the following steps: adding a citric acid solution into a magnesium source, and carrying out ultrasonic microwave reaction to obtain the magnesium citrate, wherein the mass fraction of the citric acid solution is 10%-20%. According to the method, the magnesium citrate is prepared by utilizing ultrasonic microwave coupling, and rapid preparation of the magnesium citrate is realized, so that entrainment of reactants in the reaction process is reduced, and the purity of the prepared magnesium citrate is improved. According to the method, the dissolution process of the magnesium source is accelerated by utilizing ultrasound, and the reaction system is uniformly and rapidly heated by utilizing microwaves, so that the reaction uniformity in the system is improved, and the purity of magnesium citrate generated in the crystallization process is high.

Description

technical field [0001] The invention relates to the technical field of compound synthesis, in particular to a production method of magnesium citrate. Background technique [0002] Magnesium is one of the four essential elements for the human body and is involved in almost all metabolic processes of the human body. Magnesium in the human body is mainly found in bones and organs, especially the heart, kidneys and muscle tissue. However, the metabolism of magnesium in the human body is not regulated by factors such as hormones, and its content is mainly determined by normal absorption and excretion. Therefore, timely magnesium supplementation is required in the state of magnesium deficiency. The magnesium supplements used in daily life are mainly inorganic magnesium salts such as magnesium sulfate, which generally have the disadvantages of low absorption and utilization rate and large side effects. [0003] Magnesium citrate is white granule or crystalline powder, soluble in ...

Claims

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Application Information

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IPC IPC(8): C07C51/41C07C51/43C07C59/265
CPCC07C51/412C07C51/43C07C59/265
Inventor 石志勇
Owner NINGXIANG XINYANG CHEM
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