Compound neomycin sulphate solution and preparation method thereof
A technology of neomycin sulfate and colistin sulfate, which can be used in pharmaceutical formulations, medical preparations without active ingredients, and medical preparations containing active ingredients, etc. It can reduce the frequency of medication, inhibit glandular secretion, and avoid bacterial drug resistance.
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Embodiment 1
[0020] (1) Add 10 kg of 95% ethanol to 2 kg of neomycin sulfate and 15 kg of colistin sulfate, stir and mix to infiltrate neomycin sulfate and colistin sulfate, after infiltration, add 70 L of purified water, and stir to make neomycin sulfate Mycin and colistin sulfate were fully dissolved.
[0021] (2) Take 2 L of purified water and dissolve 0.01 kg of scopolamine methyl bromide.
[0022] (3) merging the prepared solution of step (1) and step (2), replenishing purified water to 100L, and adjusting the pH value with a sodium hydroxide solution of 40% or a hydrochloric acid solution of 10% with a mass percentage concentration to 4.0~5.0 to get the compound neomycin sulfate solution of the present invention.
Embodiment 2
[0024] (1) Add 10 kg of 95% ethanol to 15 kg of neomycin sulfate and 3 kg of colistin sulfate, stir and mix to infiltrate neomycin sulfate and colistin sulfate, after infiltration, add 70 L of purified water, and stir to make neomycin sulfate Mycin and colistin sulfate were fully dissolved.
[0025] (2) Get 2L of purified water and dissolve scopolamine methyl bromide 0.05kg;
[0026] (3) merging the prepared solution of step (1) and step (2), replenishing purified water to 100L, and adjusting the pH value with a sodium hydroxide solution of 40% or a hydrochloric acid solution of 10% with a mass percentage concentration to 4.0~5.0 to get the compound neomycin sulfate solution of the present invention.
Embodiment 3
[0028] (1) Add 10 kg of 95% ethanol to 5 kg of neomycin sulfate and 13 kg of colistin sulfate, stir and mix to infiltrate neomycin sulfate and colistin sulfate. After infiltration, add 70 L of purified water and stir to make neomycin sulfate Mycin and colistin sulfate were fully dissolved.
[0029] (2) Take 2 L of purified water and dissolve 0.015 kg of scopolamine methyl bromide.
[0030] (3) merging the prepared solution of step (1) and step (2), replenishing purified water to 100L, and adjusting the pH value with a sodium hydroxide solution of 40% or a hydrochloric acid solution of 10% with a mass percentage concentration to 4.0~5.0 to get the compound neomycin sulfate solution of the present invention.
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