Sodium fructose diphosphate compound and preparation method thereof
A technology of sodium fructose diphosphate and compounds, which is applied in the field of medicine, can solve the problems that cannot reflect the contribution of the new crystallization process safety, and achieve good anti-microbial erosion ability, increased safety, and low hygroscopicity.
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Embodiment 1
[0053] In parts by weight, the raw materials selected in this embodiment include:
[0054]
[0055] The preparation method is as follows:
[0056] (1) Add the above-mentioned raw materials into the reactor, and react for 10 hours at a pH of 6.0 and a temperature of 37° C.;
[0057] (2) the product of the reaction described in step (1) is filtered through a ceramic membrane, and the filtrate is collected;
[0058] (3) The filtrate described in step (2) is passed through 732 cation exchange resins, after diluting the effluent with deionized water, it is adsorbed by 717 anion exchange resins, after using lye to remove miscellaneous ions, elute with sodium chloride solution, get eluent;
[0059] (4) Concentrate the eluate described in step (3) by nanofiltration, and when the concentration of the solution reaches 35%, add activated carbon for needle decolorization to the solution and filter and adjust the pH to 6.0 to obtain a concentrated solution;
[0060] (5) Add ethanol t...
Embodiment 2
[0064] In parts by weight, the raw materials selected in this embodiment include:
[0065]
[0066] The preparation method is as follows:
[0067] (1) Put the above-mentioned raw materials into the reactor, and react for 8.5 hours under the conditions of pH 6.0 and temperature 37°C;
[0068] (2) the product of the reaction described in step (1) is filtered through a ceramic membrane, and the filtrate is collected;
[0069] (3) The filtrate described in step (2) is passed through 732 cation exchange resins, after diluting the effluent with deionized water, it is adsorbed by 717 anion exchange resins, after using lye to remove miscellaneous ions, elute with sodium chloride solution, get eluent;
[0070] (4) Concentrate the eluate described in step (3) by nanofiltration, and when the concentration of the solution reaches 35%, add activated carbon for needles to the solution for decolorization, filter and adjust the pH to 5.3 to obtain a concentrated solution;
[0071] (5) A...
Embodiment 3
[0075] In parts by weight, the raw materials selected in this embodiment include:
[0076]
[0077] 14 parts of toluene
[0078] 4 parts ammonia water
[0079] Purified water 1800 parts
[0080] The preparation method is as follows:
[0081] (1) Add the above-mentioned raw materials into the reactor, and react for 8 hours under the conditions of pH 6.0 and temperature 37°C;
[0082] (2) the product of the reaction described in step (1) is filtered through a ceramic membrane, and the filtrate is collected;
[0083] (3) The filtrate described in step (2) is passed through 732 cation exchange resins, after diluting the effluent with deionized water, it is adsorbed by 717 anion exchange resins, after using lye to remove miscellaneous ions, elute with sodium chloride solution, get eluent;
[0084] (4) Concentrate the eluate described in step (3) by nanofiltration, and when the concentration of the solution reaches 37%, add activated carbon for needles to the solution for de...
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