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我院1981年7月起用卧式锅炉硬气经过两台重蒸馏器(长春医疗器械厂、哈尔滨医疗器械厂各一台),制备注射片用水。这种方法产水量大,操作简便。但所得注射用水偏碱,pH值有时达9以下,氨含量高出药典规定5～6倍。为了解决这个问题,我们对蒸馏器及各段水质进行检查,发现氨量增高主要来源于锅炉硬气水。其原因除原水中带入少量有机物到锅炉分解产生氨以外,主要是受锅炉铁质的影响。由此产生的氨,蒸馏器排废气孔不能完全排除,而回入蒸馏锅蒸馏后逸出溶于蒸馏水,导致氨含量增高、
In July 1981, our hospital prepared hard water for horizontal boilers through two re-distillers (Changchun Medical Instrument Factory and Harbin Medical Instrument Factory) to prepare water for injection tablets. This method produces large amounts of water and is easy to operate. However, the obtained water for injection is alkaline, the pH value sometimes reaches 9 or less, and the ammonia content is 5 to 6 times higher than the pharmacopoeia. In order to solve this problem, we inspected the distiller and various sections of water quality and found that the increase in the amount of ammonia was mainly due to the hard water in the boiler. The reason is that the addition of a small amount of organic matter in the raw water to the decomposition of the boiler to produce ammonia is mainly influenced by the iron quality of the boiler. The resulting ammonia, evaporative exhaust gas outlet holes can not be completely eliminated, and back into the distillation pot distillation dissolved in distilled water, resulting in increased ammonia content,