在 0 .2 5mol/LKCl(pH =3.6 0 )的底液中 ,采用线性扫描极谱法测定氧氟沙星 ,得到一良好的还原峰 .峰电位Ep =- 1.4 0V(vs.SCE) ,峰电流Ip与氧氟沙星的浓度在 2 .0× 10 -7- 8.0× 10 -6mol/l范围内成线性关系 ,相关系数r=0 .9978,检出限为 9.0× 10 -8mol/L .采用本法测定片剂的含量 ,回收率在 98.13% - 10 0 .6 8% ,RSD为 1.6 9- 2 .31%之间 ,方法简便 ,结果准确可靠 .用多种电化学方法研究了氧氟沙星在汞电极上的电化学行为 ,结果表明氧氟沙星的电极过程具有吸附性、动力性和不可逆性广西自然科学基金项目 (No :0 1 4 1 0 37);广西民族学院引进人才启动资金项目 (OOHHX0 0 0 0 2
The present work is a polarographic study of the alkali metals and selected first row transition met...
The electrochemical behaviour of acidic and neutral pharmaceutical active compounds (PhACs) was stud...
Differential pulse polarographic analysis (DPPA) by using static mercury drop electrode (SMDE) for q...
在0.03mol/LNH3-NH4Cl(pH=8.33)中,采用线性扫描极谱法测定环丙沙星,得到一良好的还原峰,峰电位Ep=-1.4V(vs.SCE) 峰电流ip与环丙沙星浓度在4.0×10-8~8....
在0.2mol/LNa2HPO4-KH2PO4(pH=6.82)支持电解质中 ,盐酸胺碘酮有一灵敏的极谱还原波 ,其峰电位VP= -1.30V(vsSCE) ,一阶导数峰电流IP 与盐酸胺碘酮的浓度在...
研究了氧氟沙星与四氰基乙烯(TCNE)的荷移反应,确立了形成电荷转移(CT)络合物的最佳条件.在丙酮介质中,于50℃水浴中恒温30min即可形成1:1络合物,其最大吸收波长为409nm.表观摩尔吸光系...
在醋酸盐缓冲溶液中,可获得胭脂红酸的单扫可逆吸附波。在pH4.3时,E_p=一0.65V(vs.S.C.E.),电极反应是由醌型还原为氢醌型。胭脂红酸在汞电极上的吸附符合Frumkin等温武。测得吸附...
Fleroxacin belongs to the third generation of multiple fluorinated antibacterial quinolone derivativ...
盐酸左氧氟沙星分子中含有弱酸性有机胺结构,可与Zn(SCN)42-形成离子缔合物沉淀. 将沉淀分离溶解后,用差示脉冲溶出伏安法在原位形成铋膜电极上测定沉淀中锌(II)的含量,间接测定盐酸左氧氟沙星的含...
The peak potentials, the relationships of wave heights to concentration and sensitivities for severa...
An ofloxacin-selective electrode based on incorporation of a ofloxacin-tetrakis[3,5- bis(trifluorom...
本文研究了铽-8-羟基喹啉(Ox)-高氯酸钠体系的极谱行为。在高氯酸钠底液中,Ox在单扫示波极谱上有一个稳定的还原波P_1,加入Tb~(3+)后,P_1降低,而在后面出现一个新波P_2。在最佳实验条件...
A differential pulse Polarographic method have been developed and validated for the direct determina...
[[abstract]]本研究先將網版印刷碳電極 (Screen-printed carbon electrode, SPCE)進行過氧化處理,再將咖啡酸(Caffeic acid, CAF)薄膜以循...
A differential pulse Polarographic method have been developed and validated for the direct determina...
The present work is a polarographic study of the alkali metals and selected first row transition met...
The electrochemical behaviour of acidic and neutral pharmaceutical active compounds (PhACs) was stud...
Differential pulse polarographic analysis (DPPA) by using static mercury drop electrode (SMDE) for q...
在0.03mol/LNH3-NH4Cl(pH=8.33)中,采用线性扫描极谱法测定环丙沙星,得到一良好的还原峰,峰电位Ep=-1.4V(vs.SCE) 峰电流ip与环丙沙星浓度在4.0×10-8~8....
在0.2mol/LNa2HPO4-KH2PO4(pH=6.82)支持电解质中 ,盐酸胺碘酮有一灵敏的极谱还原波 ,其峰电位VP= -1.30V(vsSCE) ,一阶导数峰电流IP 与盐酸胺碘酮的浓度在...
研究了氧氟沙星与四氰基乙烯(TCNE)的荷移反应,确立了形成电荷转移(CT)络合物的最佳条件.在丙酮介质中,于50℃水浴中恒温30min即可形成1:1络合物,其最大吸收波长为409nm.表观摩尔吸光系...
在醋酸盐缓冲溶液中,可获得胭脂红酸的单扫可逆吸附波。在pH4.3时,E_p=一0.65V(vs.S.C.E.),电极反应是由醌型还原为氢醌型。胭脂红酸在汞电极上的吸附符合Frumkin等温武。测得吸附...
Fleroxacin belongs to the third generation of multiple fluorinated antibacterial quinolone derivativ...
盐酸左氧氟沙星分子中含有弱酸性有机胺结构,可与Zn(SCN)42-形成离子缔合物沉淀. 将沉淀分离溶解后,用差示脉冲溶出伏安法在原位形成铋膜电极上测定沉淀中锌(II)的含量,间接测定盐酸左氧氟沙星的含...
The peak potentials, the relationships of wave heights to concentration and sensitivities for severa...
An ofloxacin-selective electrode based on incorporation of a ofloxacin-tetrakis[3,5- bis(trifluorom...
本文研究了铽-8-羟基喹啉(Ox)-高氯酸钠体系的极谱行为。在高氯酸钠底液中,Ox在单扫示波极谱上有一个稳定的还原波P_1,加入Tb~(3+)后,P_1降低,而在后面出现一个新波P_2。在最佳实验条件...
A differential pulse Polarographic method have been developed and validated for the direct determina...
[[abstract]]本研究先將網版印刷碳電極 (Screen-printed carbon electrode, SPCE)進行過氧化處理,再將咖啡酸(Caffeic acid, CAF)薄膜以循...
A differential pulse Polarographic method have been developed and validated for the direct determina...
The present work is a polarographic study of the alkali metals and selected first row transition met...
The electrochemical behaviour of acidic and neutral pharmaceutical active compounds (PhACs) was stud...
Differential pulse polarographic analysis (DPPA) by using static mercury drop electrode (SMDE) for q...