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吸附波

吸附波的相关文献在1984年到2020年内共计177篇,主要集中在化学、药学、环境质量评价与环境监测 等领域,其中期刊论文173篇、会议论文2篇、专利文献133994篇;相关期刊82种,包括龙岩学院学报、中南民族大学学报(自然科学版)、理化检验-化学分册等; 相关会议2种,包括中国化学会第十三届有机分析与生物分析学术研讨会、国际分析化学研讨会等;吸附波的相关文献由277位作者贡献,包括拓宏桂、周云龙、李启隆等。

吸附波—发文量

期刊论文>

论文:173 占比:0.13%

会议论文>

论文:2 占比:0.00%

专利文献>

论文:133994 占比:99.87%

总计:134169篇

吸附波—发文趋势图

吸附波

-研究学者

  • 拓宏桂
  • 周云龙
  • 李启隆
  • 胡志彪
  • 丘则海
  • 张著森
  • 王曙
  • 罗登柏
  • 周清海
  • 张淑云
  • 期刊论文
  • 会议论文
  • 专利文献

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期刊

    • 王冀艳; 刘勉; 闫红岭
    • 摘要: 以硫酸-偏钒酸铵-氢溴酸-抗坏血酸为底液,研究了锡的极谱吸附波,并将其应用于矿石中锡的测定.将所选实验方法与使用硫酸-氯化铵-抗坏血酸和硫酸偏钒酸铵-高氯酸-氯化钾-抗坏血酸为底液测定锡的方法进行对比,结果表明,使用硫酸-偏钒酸铵溶液-氢溴酸-抗坏血酸溶液为底液的极谱法,其灵敏度高于使用硫酸-氯化铵-抗坏血酸和硫酸-偏钒酸铵-高氯酸-氯化钾-抗坏血酸为底液的极谱法.进行了硫酸、偏钒酸铵溶液、氢溴酸及抗坏血酸溶液用量的优化试验,在3 mL硫酸(1+2)、3 mL 0.15 mol/L偏钒酸铵溶液、1 mL氢溴酸、1 mL 100g/L抗坏血酸溶液体系下峰电流最大,灵敏度最高.在选定的底液条件下能稳定至少24 h.干扰试验结果表明:大量的K+、Na+,1 mg/mL的Mn(Ⅶ)、Ca2+、Mg2++、Al3+,100 μg/mL Cu2+、Fe3+、Zn2+,30 μg/mL As(Ⅲ),5 μg/mL Si(Ⅳ)、Cd2+、Ga(Ⅲ),2μg/mL Cr(Ⅵ)、Bi(Ⅲ)、Sb(Ⅲ)、Ti(Ⅳ),1 μg/mLW(Ⅵ)、Mo(Ⅵ)、Hg2+对质量浓度小于1.0μg/mL锡的测定不干扰.方法中锡的检出限为1 μg/mL.方法适用于矿石中0.000 1%~1%锡的测定.方法用于钨矿、钼矿以及铜矿标准物质中锡的测定,测定值与认定值相一致,相对标准偏差(RSD,n=6)为3.7%~8.7%.
    • 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.
    • 杨晓花; 陈文; 赵阳阳; 白花; 易龙飞; 邹彩琴
    • 摘要: 用单扫描极谱法研究了辛硫磷的电化学行为.在pH6.7的磷酸二氢钾-磷酸氢二钠缓冲溶液中,辛硫磷对达旦黄与吐温-80的络合吸附波具有抑制作用,据此建立了间接测定辛硫磷的方法.辛硫磷的质量浓度在0.009 4~28.22 mg·L-1范围内与峰电流呈线性关系,检出限(3s/k)为0.008 6 mg·L-1.方法应用于谷物样品和土壤样品中辛硫磷的测定,测得回收率在94.6%~105%之间.
    • 戴丽艳
    • 摘要: The existence of trace formaldehyde had a strong catalytic effect on the reaction of potassium bromate oxidation of methyl orange in the dilute sulphuric acid medium.Methyl orange and their oxidation products could produce sensitive polarographic adsorptive wave in the dropping mercury electrode. In this article the change of the concentration of methyl orange in the process of catalytic reaction was determined by the polarography. And the determination of trace formaldehyde was established by the kinetics of catalytic polarography method.%稀硫酸介质中,痕量甲醛的存在对溴酸钾氧化甲基橙的反应有很强的催化作用。而甲基橙及其氧化产物均能在滴汞电极上产生灵敏的极谱吸附波。本文以极谱法测定催化反应过程中甲基橙浓度的变化,建立了催化动力学极谱法测定痕量甲醛的方法。
    • 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%.
    • 田亚赛
    • 摘要: 对苯醌与盐酸羟胺反应生成的对苯醌一肟,在pH =9的氨性介质中,能在滴汞电极上产生灵敏的吸附波,由此建立了对苯醌的分析方法.对苯醌在0.001~0.25mg/L范围内与峰电流呈良好线性关系,方法的检出限为0.5μg/L,可用于痕量对苯醌的测定.
    • 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。
    • 常艳香
    • 摘要: 在0.0046mol/L HAC-0.0046mol/L NaAC(PH=4.8)溶液中,以5.39×10-4 mol/L2[(5-溴-2-吡啶)-偶氮]-5-(二乙氨基)苯酚(5-Br-PADAP)与0.018mol/L KBrO3为体系,峰电位EP=-0.71V(VS.SCE),峰电流与Mo(Ⅵ)浓度在1.5×10-8 mol/L-2.0×10-6 mol/L范围内呈线性关系下,检出限可达5.0×10-9 mol/L,并且用多种电化学手段研究极谱波的性质及反应机理,实验表明为具吸附性质的吸附波.应用该法测定污水、自来水中Mo(Ⅵ)含量及回收实验,结果表明此法简便可行.
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