Active silver ion colloid antibacterial agent and preparation method thereof
A technology of silver ions and antibacterial agents, which is applied in the field of medical and surgical medicine, can solve the problems of harsh processing conditions, irritating taste, and no permeability, and achieves the effects of shortening healing time, no side effects, and no peculiar smell, and shortening the treatment cycle.
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Embodiment 1
[0022] A) Add commercially available active silver ion powders such as those produced and sold by Sinopharm Chemical Reagent Co., Ltd. into deionized water with a purity of 0.1-0.16 μs / cm measured by a conductivity meter and stir evenly. The container used can either be a polyethylene plastic container or a stainless steel container, until the active silver ion powder is fully dissolved, thereby obtaining the active silver ion powder body liquid;
[0023] B) adding reagent-grade phosphoric acid to the active silver ion powder liquid obtained in step A) to carry out acidification treatment, the time of acidification treatment is 30min, adjust PH2, and obtain the active silver ion powder mixed liquid after acidification treatment;
[0024] C) adding commercially available reagent-grade tartaric acid, such as produced and sold by China Shanghai Reagent No. 1 Factory, into deionized water with the same purity of 0.1-0.16 μs / cm and stirring for 20 minutes to obtain a tartaric acid s...
Embodiment 2
[0030] A) Add commercially available active silver ion powders such as those produced and sold by Sinopharm Chemical Reagent Co., Ltd. into distilled water with a purity of 0.1-0.16 μs / cm measured by a conductivity meter and stir evenly. The container can be a polyethylene plastic container or a stainless steel container until the active silver ion powder is fully dissolved, thereby obtaining the active silver ion powder body liquid;
[0031] B) adding reagent-grade phosphoric acid to the active silver ion powder body liquid obtained in step A) for acidification treatment, the time of acidification treatment is 18min, adjust PH1.8, and obtain the active silver ion powder mixed liquid after acidification treatment ;
[0032] C) adding commercially available reagent-grade tartaric acid, such as produced and sold by China Shanghai Reagent No. 1 Factory, into distilled water with the same purity of 0.1-0.16 μs / cm and stirring for 35 minutes to obtain a tartaric acid solution;
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Embodiment 3
[0037] A) Add commercially available active silver ion powders such as those produced and sold by Sinopharm Chemical Reagent Co., Ltd. into deionized water with a purity of 0.1-0.16 μs / cm measured by a conductivity meter and stir evenly. The container used can either be a polyethylene plastic container or a stainless steel container, until the active silver ion powder is fully dissolved, thereby obtaining the active silver ion powder body liquid;
[0038] B) adding reagent-grade citric acid to the active silver ion powder body liquid obtained in step A) for acidification treatment, the time of acidification treatment is 35min, adjust the pH to 1.5, and obtain the mixed active silver ion powder after acidification treatment liquid.
[0039]C) adding commercially available reagent-grade tartaric acid, such as produced and sold by China Shanghai Reagent No. 1 Factory, into deionized water with the same purity of 0.1-0.16 μs / cm and stirring for 15 minutes to obtain a tartaric acid...
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