简介:目的改进氰化物异烟酸-吡唑酮法的测定方法,探讨如何克服酒样浑浊的缺点。方法采用新显示液取代国标法的旧显示液,并且吸取1.0ml试样于10ml具塞比色管中后,先加入1滴5%EDTA,再加入1滴2%吐温-80,加氢氧化钠(2g/1)至4ml,其余步骤按国标法操作。结果成功解决了酒样浑浊的问题,该法相关系数为0.9992,线性方程Y=0.2764+0.0002X,最低检出浓度为0.05ug/ml,线性范围为0-0.2ug/ml。回收率为90-98%,RSD为0.5-4.8%,与吡啶法一巴比妥酸法比较,无显著性差异。结论该法准确度高,稳定性好,适合用于酒中氰化物的测定。
简介:ObjectiveTocomparetheefficacyofintravenousIsoketwithNitroglycerineinpatientswithunstableanginapectoris.Methods70patientswereenrolledandsplitintotreatmentgroup(Isoketgroup)andcontrolgroup(Nitroglycerinegroup)randomlyanddouble-blindedly.Therewere36casesintreatmentgroupwhoweretreatedwithintravenousIsoket20-30mgperdayfor10consecutivedays;whereas34casesincontrolgroupwhoweretreatedwithintravenousNitroglycerine10-20mgperdayfor10days.Results18casesweresignilicandyeffectiveand14patientswereeffectivewithtotaleffectiverate88.9%intreatmentgroupcomparedwith8cases,11casesand55.7%incontrolgrouprespectively.Thetreatmentgroupissignificandybetterthanthecontrolgroup.ConclusionItiseffectiveandsafetotreatthepatientswithunstableanginapectoriswithintravenousIsoket.