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将药物浓配,并采用加压反复过滤后灌装的方法制备输液,效果很好。浓配法制备输液之所以能有较好的效果,是利用“溶解度较小的杂质,在高浓度时不溶解而加以除去”的原理来实现的。有的同志提出为了减少药液的损失,在浓配液脱炭后用新鲜蒸馏水将脱炭桶剩余的药液冲净,我们认为此举不妥。浓配液在脱炭后,活性炭被截留在脱炭桶内,浓配时在高浓度的情况下未溶解的杂质也同时大量地被截留,此时脱炭桶内,杂质浓度最高,如用蒸馏水冲洗,势必可能使当时未溶解的杂质得以溶解而通过脱炭桶而重新混入已经过滤的药液中去。
The drug concentration, and the use of repeated pressure filtration method after filling the infusion, the effect is very good. The reason why the concentrated preparation method for preparing the transfusion liquid is to achieve better effect is achieved by using the principle of “less soluble impurity and no dissolution at high concentration”. Some comrades suggested that in order to reduce the liquid chemical loss, after the decontamination of decontamination liquid, rinse the remaining liquid from the de-carbonization bucket with fresh distilled water, we think this is not proper. Concentrated liquid in the decarbonization, the activated carbon is trapped in the carbon off the barrel, the concentration of high concentrations in the case of undissolved impurities are also intercepted a large number of at this time, off the carbon bucket, the highest impurity concentration, such as the use of Distilled water washing, it is bound to make the undissolved impurities can be dissolved at that time through the carbon off the barrel and re-mixed into the filtered liquid to go.