The crystal of [Cu(L-His) (Phen)]·2ClO4·H2O was synthesized and characterized by element analysis, molar conductivity, UV, IR and X-ray single crystal structure. The crystal belongs to monoclinic system, spa...The crystal of [Cu(L-His) (Phen)]·2ClO4·H2O was synthesized and characterized by element analysis, molar conductivity, UV, IR and X-ray single crystal structure. The crystal belongs to monoclinic system, space group P21, with a=1. 222 7(2) nm, b=0. 714 5(14) nm, c=1. 452 0(3) nm, β=109. 82 (3)° V=1. 193 3(4) nm3, Z=2, F(000)=624, Dc=1.711 g/cm3, μ(Mo Ka) =12. 08 cm-1, R=0.050 9, wR=0. 139 2.展开更多
制备了聚L-组氨酸/乙炔黑修饰电极（Poly-（L-His）/AB/GCE）,并用交流阻抗法（EIS）对其进行了表征。用循环伏安法（CV）研究了对乙酰氨基酚（PCT）在该修饰电极上的电化学行为。在p H 6.5的B-R溶液中,PCT在该修饰电极上出现一对氧化...制备了聚L-组氨酸/乙炔黑修饰电极（Poly-（L-His）/AB/GCE）,并用交流阻抗法（EIS）对其进行了表征。用循环伏安法（CV）研究了对乙酰氨基酚（PCT）在该修饰电极上的电化学行为。在p H 6.5的B-R溶液中,PCT在该修饰电极上出现一对氧化还原峰,在40~320 m V/s扫速范围内,氧化峰电流（Ipa）及还原峰电流（Ipc）均与扫速V呈线性关系,表明该电极过程受吸附控制。用差分脉冲伏安法（DPV）测定不同浓度的PCT溶液,在8.0×10-7~1.0×10-4mol/L浓度范围内,氧化峰电流Ipa与PCT浓度呈线性关系,检出限（S/N=3）为7.72×10-8mol/L。运用该方法对样品感冒灵颗粒进行了检测,回收率为97.8%~105.2%。展开更多
文摘The crystal of [Cu(L-His) (Phen)]·2ClO4·H2O was synthesized and characterized by element analysis, molar conductivity, UV, IR and X-ray single crystal structure. The crystal belongs to monoclinic system, space group P21, with a=1. 222 7(2) nm, b=0. 714 5(14) nm, c=1. 452 0(3) nm, β=109. 82 (3)° V=1. 193 3(4) nm3, Z=2, F(000)=624, Dc=1.711 g/cm3, μ(Mo Ka) =12. 08 cm-1, R=0.050 9, wR=0. 139 2.
文摘制备了聚L-组氨酸/乙炔黑修饰电极（Poly-（L-His）/AB/GCE）,并用交流阻抗法（EIS）对其进行了表征。用循环伏安法（CV）研究了对乙酰氨基酚（PCT）在该修饰电极上的电化学行为。在p H 6.5的B-R溶液中,PCT在该修饰电极上出现一对氧化还原峰,在40~320 m V/s扫速范围内,氧化峰电流（Ipa）及还原峰电流（Ipc）均与扫速V呈线性关系,表明该电极过程受吸附控制。用差分脉冲伏安法（DPV）测定不同浓度的PCT溶液,在8.0×10-7~1.0×10-4mol/L浓度范围内,氧化峰电流Ipa与PCT浓度呈线性关系,检出限（S/N=3）为7.72×10-8mol/L。运用该方法对样品感冒灵颗粒进行了检测,回收率为97.8%~105.2%。
