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线性扫描极谱法

线性扫描极谱法的相关文献在1997年到2015年内共计68篇,主要集中在化学、药学、化学工业 等领域,其中期刊论文67篇、会议论文1篇、专利文献311308篇;相关期刊33种,包括商丘师范学院学报、龙岩学院学报、辽宁科技大学学报等; 相关会议1种,包括第九届全国大学化学教学研讨会等;线性扫描极谱法的相关文献由109位作者贡献,包括拓宏桂、夏新泉、周云龙等。

线性扫描极谱法—发文量

期刊论文>

论文:67 占比:0.02%

会议论文>

论文:1 占比:0.00%

专利文献>

论文:311308 占比:99.98%

总计:311376篇

线性扫描极谱法—发文趋势图

线性扫描极谱法

-研究学者

  • 拓宏桂
  • 夏新泉
  • 周云龙
  • 徐绍炳
  • 胡志彪
  • 丘则海
  • 张著森
  • 徐斌
  • 李丽敏
  • 王福民

线性扫描极谱法

-相关会议

  • 期刊论文
  • 会议论文
  • 专利文献

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    • 张著森; 胡志彪; 丘则海; 拓宏桂
    • 摘要: 用线性扫描极谱法和循环伏安法研究尼美舒利在0.02 mol·L-1 KH2PO4-Na2HPO4缓冲溶液(pH 9.01)中的电化学行为,尼美舒利于-0.782 V( vs. SCE)处产生一灵敏的吸附波,在尼美舒利浓度为0.5~100.0 mg·L-1范围内,其一次微分线性扫描峰电流与尼美舒利浓度呈良好的线性关系,相关系数r=0.9981(n=15),检出限为0.4 mg·L-1。对100 mg·L-1尼美舒利溶液进行6次平行试验, RSD为1.24%,回收率在97.2%~104.1%之间,方法可用于其在片剂中含量的测定。%The electrochemical behavior of Nimesulide was studied in linear scanning polarographic method. In an phosphate buffer solution of pH 9. 01, a sensitive reductive wave of Nimesulide appeared at-0. 782 V ( vs. SCE) . The linear relationship between the peak current and the Nimesulide concentration in the range of 0. 5~100. 0 mg·L-1 ( r=0. 9981 , n=15 ) were observed. The detection limit of the method was 0. 4 mg · L-1 . RSD found from the data of 6 independent determinations at the concentration level of 100. 0 mg · L-1 was 1. 24%. Recoveries obtained were in the range of 97. 2% ~104. 1%. This method was applied to the analysis of Nimesulide in tablets.
    • 周云龙; 拓宏桂
    • 摘要: 用线性扫描极谱法研究别嘌呤醇的电化学行为.在pH 4.48的乙酸-乙酸钠缓冲溶液中,别嘌呤醇于-1.534 V(vs.SCE)处产生-灵敏的还原波,其-次微分线性扫描峰电流与别嘌呤醇质量浓度在1.0~100.0 mg· L-1范围内呈线性关系,检出限(3S/N)为0.7 mg· L-1.对100.0mg·L-1别嘌呤醇溶液进行6次平行试验,相对标准偏差(n=6)为0.89%.方法用于片剂中别嘌呤醇含量的测定,测定值与标示值相符.加入3个浓度水平的标准溶液做回收试验,测得平均回收率为99.2%.
    • 拓宏桂; 周云龙; 吴舞华; 胡志彪
    • 摘要: 用线性扫描极谱法研究盐酸乙哌立松的电化学行为。在pH4.73的0.15mol·L-1乙酸-乙酸钠缓冲溶液中,盐酸乙哌立松于-1.269V(vs.SCE)处产生一灵敏的吸附波,其一次微分线性扫描峰电流与盐酸乙哌立松质量浓度在0.050-250.0mg·L-1范围内呈线性关系,检出限(3S/N)为0.040mg·L-1。对50.0mg·L-1盐酸乙哌立松溶液进行6次平行试验,相对标准偏差(n=6)为0.98%,方法可用于其片剂中盐酸乙哌立松含量的测定。%It was found that in an acetate buffer solution of pH 4. 73 and by the linear scanning polarography, a sensitive adsorption wave of eperisone hydrochloride was observed at the potential of --1. 269 V (vs. SCE). Linear relationship between values of the 1st derivative of peak current and mass concentration of eperisone hydroehloride was obtained in the range of 0. 05--250.0 mg · L-1 with detection limit (3S/N) of 0. 04 mg · L-1. Precision was tested with standard solution of eperisone hydrochloride of 50. 0 mg · L-1 for 6 determinations, value of RSD found was 0. 98%. The proposed method has been used in the determination of content of eperisone hydrochloride in its tablets.
    • 丘则海; 胡志彪; 周云龙; 拓宏桂
    • 摘要: 用线性扫描极谱法研究盐酸吡硫醇的电化学行为,在pH 6.27的磷酸氢二钠-磷酸二氢钾缓冲溶液中,盐酸吡硫醇于-0.560V(vs·SCE)处产生一灵敏的吸附波,其一次微分线性扫描峰电流与盐酸吡硫醇质量浓度在0.10~100.0 mg·L-1范围内呈线性关系,检出限(3S/N)为0.07mg·L-1。对10.0mg·L-1盐酸吡硫醇溶液进行6次平行试验,相对标准偏差为0.82%,方法可用于片剂中盐酸吡硫醇含量的测定,所得结果与标示值相符。%It was found that in a PBS of pH 6. 27 and by the linear scanning polarography, a sensitive adsorption wave of pyritinol hydrochloride was observed at the potential of -0. 560 V (vs. SCE). Linear relationship between values of the 1st derivative of peak current and mass concentration of pyritinol hydrochloride was obtained in the range of 0. 1-100. 0 mg · L-1 with detection limit (3S/N) of 0. 07 mg · L-1. Precision was tested with standard solution of pyritinol hydrochloride of 10. 0 mg ·L -1for 6 determinations, value of RSD found was 0. 82 %. The proposed method has been used in the determination of content of pyritinol hydrochloride in its tablets, giving results in consistency with the labelled values.
    • 丘则海; 吴粦华; 胡志彪; 周云龙; 拓宏桂
    • 摘要: It was found that in a PBS of pH 6. 88 and by the linear scanning polarography, a sensitive adsorption wave of simvastatin was observed at the potential of -1. 188 V (vs. SCE). Linear relationship between values of 1st derivative of the peak current and mass concentration of simvastatin was obtained in the range of 0. 01-5.0 mg · L^-1 with detection limit (3S/N) of 7. 0 μg · L^-1. Precision was tested with standard solution of simvastatin of 5.0 mg · L^-1 for 6 determinations, value of RSD (n=6) found was 0. 53%. The proposed method has been used in the determination of content of simvastatin in its tablets.%用线性扫描极谱法研究辛伐他汀的电化学行为。在pH6.88的0.12tool·L^-1磷酸氢二钠-磷酸二氢钾缓冲溶液中,辛伐他汀于-1.188V(us.SCE)处产生一灵敏的吸附波,其一次微分线性扫描峰电流与辛伐他汀质量浓度在0.01-5.0mg·L叫范围内呈线性关系,检出限(3S/N)为7.0μg·L^-1对5.0mg·L^-1辛伐他汀溶液进行6次平行试验,相对标准偏差(n=6)为0.53%,方法可用于测定其片剂中辛伐他汀含量。
    • 李清龙; 曹成杰; 冯颖颖
    • 摘要: 建立阿司匹林片含量测定的电化学分析方法.采用LK98BII微机电化学分析系统和MODEL JP-303极谱分析仪对阿司匹林进行了线性、回收率、精密度以及溶液稳定性等实验;用氧化剂存在时阿司匹林产生的极谱催化波提高分析灵敏度,用线性扫描极谱法实现快速测定.结果在KH2PO4-Na2HPO4支持电解质中,阿司匹林产生一个催化氢波.加入H2O2后,该催化氢波被催化,峰电流增加约50倍,峰电位基本不变,产生一个较灵敏的平行催化氢波.二阶导数还原波的峰电流ip”与阿司匹林浓度在4.0 ×10-7~3.0×10-6mol/L范围内呈良好线性关系,检出限为2.0×10-7 mol/L.结果表明该方法简便,快捷,专属性强,结果准确可靠.
    • 丘则海; 胡志彪; 周云龙; 拓宏桂
    • 摘要: 用线性扫描极谱法研究盐酸酚苄明的电化学行为.在pH8.55的0.06 mol.L-1NH3-NH4Cl缓冲溶液中,盐酸酚苄明于-1.193 V(vs.SCE)处产生一灵敏的吸附波,其线性扫描峰电流与盐酸酚苄明质量浓度在0.01mg.L-1 ~ 5.00 mg.L-1范围内呈良好的线性关系,相关系数Y=0.9974(n=10),检出限为0.008 mg.L-1,以0.5 mg.L-1盐酸酚苄明溶液作6次平行实验,相对标准偏差为0.75%,回收率在97.8% ~ 109.9%之间.方法可用于其在片剂中含量的测定.
    • 周云龙; 丁荫祥; 胡志彪; 袁秋兰; 拓宏桂
    • 摘要: 用线性扫描极谱法和循环伏安法研究了消旋山莨菪碱在0.3 mol·L-1磷酸氢二钠-磷酸二氢钾缓冲溶液(pH 6.70)中的电化学行为.消旋山莨菪碱于-1.095 V(vs.SCE)处产生一灵敏的吸附波,消旋山莨菪碱质量浓度在0.10~10.0 mg·L-1范围内与其一次微分线性扫描峰电流ip呈线性关系,检出限(3S/N)为0.06 mg·L-1.对5.0 mg·L-1消旋山莨菪碱溶液进行6次平行试验,相对标准偏差为0.34%,该方法用于片剂中消旋山莨菪碱含量的测定,测定值与标示值相符.%Electrochemical behavior of receanisodamine was studied by linear scanning polarography and cyclic voltammetry.In a PBS of pH 6.70, a sensitive adsorptive wave of Raceanisodamine was observed at the potential of -1.095 V (vs.SCE).Linear relationship between values of 1st derivative peak current and concentration of raceanisodamine was kept in the range of 0.10-10.0 mg · L-1 , with its detection limit (3S/N) of 0.06 mg ·L-1.Precision was tested at the concentration level of 5.0 mg · L-1, value of RSD (n=6) found was 0.34%.The method was used in the analysis of raceanisodamine tablets, giving results in consistency with the labelled value.
    • 拓宏桂; 项小燕; 张著森
    • 摘要: 用线性扫描极谱法和循环伏安法研究奥沙普秦在0.05mol.L-1HAc-NaAc缓冲溶液(pH5.18)中的电化学行为。奥沙普秦于-1.221V(vs.SCE)处产生一灵敏的吸附波,奥沙普秦浓度在4.0μg.L-1~2000.0μg.L-1范围时,其一次微分线性扫描峰电流与奥沙普秦浓度呈良好的线性关系,相关系数r=0.99920(n=15),检出限为2.4μg.L-1。对200.0μg.L-1奥沙普秦溶液进行6次平行试验,RSD为1.02%,回收率在94.3%~96.2%之间,方法可用于其在片剂中含量的测定。%The electrochemical behavior of Oxaprozin was studied by linear scanning polarographic and cyclic voltammograms method.In an acetate buffer solution of pH 5.18,a sensitive reductive wave of Oxaprozin appeared at 1.221V(vs.SCE).The linear relationship between the peak current and the Oxaprozin concentration in the range of 4.0μg·L-1~2000.0μg·L-1(r=0.9992,n=15) was observed.The detection limit of the method was 2.8μg.L-1.RSD obtained from the data of 6 independent determinations at the concentration level of 200.0μg.L-1 was 1.02%,Recoveries obtained were in the range of 94.3%~96.2%.This method can be applied to the determination of Oxaprozin in tablets.
    • 刘壮; 张志红; 何晓囡; 刘雪松; 陆丽君
    • 摘要: 用线性扫描极谱法考察了洛伐他丁的极谱行为,旨在建立一种简单、快捷和灵敏的测定洛伐他丁含量的分析方法.实验采用三电极系统(滴汞电极为工作电极,Pt电极为对电极,饱和甘汞电极为参比电极),以1:1的0.8mol/L NH4Cl和0.8mol/L NH3·H2O混合溶液为底液,发现洛伐他丁在-1.62V左右有一个灵敏的二阶导数极谱峰,其峰高与洛伐他丁溶液在0.50~7.00μg/mL范围内呈线性关系.洛伐他丁的加标样品回收率在98.0%~104.2%之间,最小检测限为0.370μg/mL.同时考察了表面活性剂和共存的金属离子Al3+、Cu2+、Fe3+、pb2+对洛伐他丁极谱波的影响.利用建立的洛伐他丁含量的极谱分析方法对样品中洛伐他丁含量进行了测定,结果表明所建立的洛伐他丁极谱分析方法快速、准确,具有一定实用价值.
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