Composition containing various microelements, preparation and preparation method thereof
A technology of trace elements and compositions, applied in medical preparations containing active ingredients, drug combinations, active ingredients of fluorine compounds, etc., can solve the problems of low absorption utilization rate and large side effects
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Embodiment 1
[0060] Embodiment 1 prepares zinc gluconate trihydrate compound:
[0061] (1) Prepare 5L of a saturated aqueous solution of zinc gluconate trihydrate crude product at 50°C;
[0062] (2) In a sound field with a frequency of 25KHz and an output power of 50W, add a mixed solution of isopropanol and acetone at 5°C while stirring, stop the sound field after adding the mixed solution, and cool down while stirring. When the temperature drops to 5°C, Stirring was stopped, and the crystal was grown at 1° C. for 6 hours. After the crystal was precipitated, it was washed and dried to obtain a white crystalline powder of zinc gluconate trihydrate crystal;
[0063] Among them, the volume of the mixed solution of isopropanol and acetone added is 10L, and the volume ratio of isopropanol and acetone is 3:1; Hour.
[0064] The X-ray powder diffraction pattern obtained by Cu-Kα ray measurement is as follows figure 1 As shown, the melting point is: 176-178°C. Its purity is 99.98% as detected...
Embodiment 2
[0065] Embodiment 2 prepares zinc gluconate trihydrate compound:
[0066] (1) Prepare 5L of a saturated aqueous solution of zinc gluconate trihydrate crude product at 45°C;
[0067] (2) In a sound field with a frequency of 20KHz and an output power of 60W, under the condition of nitrogen filling, add a mixed solution of isopropanol and acetone at 0°C while stirring, stop the sound field after adding the mixed solution, and cool down while stirring. When the temperature was lowered to 0°C, the stirring was stopped, and the crystal was grown at 1°C for 6 hours, after the crystals were precipitated, washed and dried to obtain a white crystalline powder of zinc gluconate trihydrate;
[0068] Among them, the volume of the mixed solution of isopropanol and acetone added is 20L, the volume ratio of isopropanol and acetone is 3:2, the speed of adding the mixed solution of isopropanol and acetone is 100 ml / min, and the speed of cooling is 2°C / Hour.
[0069] The X-ray powder diffract...
Embodiment 3
[0070] Embodiment 3: the injection containing multiple trace elements:
[0071] Its formula is: the content in every 1000ml is as shown in table 1:
[0072] Table 1:
[0073]
[0074] Wherein, the osmotic pressure of the injection is 17.6mOsm / L, and the pH value is 4.0-4.5.
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