用盐酸氯丙嗪检查蒸馏水中ＮＯ_２~－河南省药品检验所郑州４５０００３陈炜蒸馏水中ＮＯ２的检查，一般均采用经典的Ｇｒｉｅｓｓ法［１］。该法灵敏、专属，但所用α－萘胺具有毒性、恶臭及易变色的缺点，同时由于方法不作空白对照，因而无法排除由试剂产生假阳性时可能... Chlorpromazine Hydrochloride in distilled water to check the NO_2 ~ - Henan Province Drug Testing Institute Zhengzhou 450003 Chen Wei in distilled water NO2 inspection, are generally used the classic Griess method [1]. The method is sensitive and exclusive, but the alpha-naphthylamine used has the disadvantages of toxicity, foul odor and easy discoloration, and at the same time may not rule out the possibility of false positives generated by reagents when the method does not make a blank control ...