示波极谱滴定法测定有机碱盐酸盐类药物①

3(,132011)(),,VB1VB6,,[1].,,;;,,.20ml0.5molL-1KNO31.5g0.2ml0.2%,Cl-2,1Ag+,Cl-..,Cl-.,[27]2.,,.,.11):LS21A();.:1052h3.61510-2molL-1;()3.97710-2molL-1;0.2%;1mgmL-1;.2):,20ml0.5molL-1KNO3,1.5g0.2ml0.2%,,.,1.0-2.0g,0.2%0.1-0.3mL.1.0g,,2.0g,,,.,,,.,pH=2,pH1pH3,,.3):10mg.4):,.44419961996201204,1996206208©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()1,1.1(1)(2)(3)Fig.1Polarogram2.2()10,,,,100ml,.5,100ml,,1.1Table.1Determinationofpharmaceutics(%)RSD(%)(%)1099.800.0199.831099.880.0199.851099.660.0199.65VB11099.680.0199.65VB61099.670.0199.665101.10.03100.5599.030.0399.00596.900.0396.86VB1598.580.0398.55VB6596.640.0396.602.3Cl-:NaCl,50mL,,2.5444:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mg)AgNO3(ml)Cl-(mg)(%)1.411.101.4099.292.111.652.11100.02.822.212.8199.653.522.763.53100.34.233.304.23100.05.644.425.65100.17.055.527.05100.08.466.618.4499.7611.288.8211.2799.9116.9213.2516.92100.02.41)Cl-,Ag+,.2)NaCl,..3),,,.DeterminationofOrganicBasisofHydrochloridebytheOscillopolarographicTitrationZhanYongfuMengZhaorenZhaoGuirong(JilinTeachersCollege,Jilin132011)ZhengJianbinGaoHong(InstituteofElectroanalyticalChemistry,NorthewestUniv.)AbstractInthispaper,diphenhydraminehydrochloride,ephedrinehydrochloride,procainehydrochloride,vitaminB1andvitaminB6havebeendeterminedbytheOscillopo2larographictitration.Thismethodhasnotbeenreportedinanypapersuptonow.Thecharacteristicsofthemethodarebeingquickandexact,easytoobservethefinalresultandsavingmaterialtested.KeywordsOscillopolarography,Titration,Organicbasisofhydrochloride6441996©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.().:,1985:392,423,486,490;1963:2032..:,19853.2,,1990(4):314.IV,,1992(2):1995.,.1992(4):616...1995(4):17..,1990(5):616199731,:C.S.Cha,J.Chen,P.F.Liu:Improvementoftheoutputcharacteristicsofamper2ometricenzymeelectrodebyusingpowdermicroelectrodetechniqueX.N.Cai,Z.X.Xie,B.W.Mao():ECSTMObservationsofCholridead2sorbtionX.H.Xia,T.Iwasita,W.Vielstich:StudyofthenatureoffromicacidadsorbatesformedatroughPtanditsinteractionwithCO,:,:Ni2PSZSunPeiju,YiBaolianetal:Studiesonaniron2heteropolyacidredoxflowbattery7444:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.