我们发现有些单位自行制备蒸溜水及注射用水,由于在蒸溜前以漂白粉处理了水源,结果在制成的水中会杂有微量的游离氯。《中国药典》及《药品规范》中对蒸溜水及注射用水的检查中并没有列入游离氯的检查项目。不过氯的毒性是大家熟悉的,我们认为配制药液的水中不能允许有游离氯,因此这个问题值得大家注意。我们建议自制蒸溜水或注射用水的单位,如果 We have found that some units produce their own distilled water and water for injection. Since the water is treated with bleaching powder prior to steaming, trace amounts of free chlorine are present in the resulting water. “Chinese Pharmacopoeia” and “Drug Code” in the inspection of distilled water and water for injection and did not include free chlorine inspection items. However, the toxicity of chlorine is familiar to all, and we think it is not allowed to have free chlorine in the water of the preparation liquid, so this problem deserves our attention. We recommend homemade distilled water or water for injection if