我们用一次性 1ｍｌ的无菌空针抽吸 10 %氯化钾 ,然后将针管内药液排空 ,针管乳头内残留液为 0 0 7ｍｌ[1] ,用此空针来回抽吸安瓿内的硝酸甘油1ｍｌ,发现硝酸甘油变浑浊 ,放置 4ｈ ,浑浊程度变轻。将这支硝酸甘油用10 %氯化钾稀释 ,随着氯化钾量的增多 ,溶液浑浊程度越来越轻 We use a disposable sterile 1ml sterile needle aspiration of 10% potassium chloride, and then the needle solution was emptied, the remaining liquid in the needle nipple 0 0 7ml [1], using this empty needle back and forth within the suction ampoule Nitroglycerin 1ml, found that nitroglycerin becomes cloudy, place 4h, the degree of turbidity becomes lighter. The nitroglycerin diluted with 10% potassium chloride, with the increase in the amount of potassium chloride, the solution turbidity more and more light