离子色谱阀切换快速测定六氟磷酸根及多种阴离子
建立了快速测定离子液体中六氟磷酸根（PF6^-）及其它常规阴离子（F^-，CI^-，NO3^-，SO4^2-的离子色谱阀切换方法。通过保护柱与分离柱的简单切换，使强保留离子PF6^-仅通过保护柱，缩短其流通路径，在较短时间内出峰，其它离子既通过保护柱又通过分离柱，从而达到快速同时分离的目的。样品经稀释溶解后直接进样，淋洗液选用KOH，流速为1．0mL／min，采用抑制型电导检测，外标法定量。PF6，F，C1，N03和SO4^2-的线性范围分别为1-200mg／L，0．1～25mg／L，0．1-5mg／L，0．1～5mg／L和0．1～5mg／L，线性相关系数均大于0．9995；加标回收率在86．...
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| Published in | 分析化学 Vol. 39; no. 11; pp. 1738 - 1742 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
浙江大学西溪校区化学系,杭州,310028%桂林理工大学化学与生物工程学院,桂林,541004
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3820 |
| DOI | 10.3724/SP.J.1096.2011.01738 |
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| Abstract | 建立了快速测定离子液体中六氟磷酸根（PF6^-）及其它常规阴离子（F^-，CI^-，NO3^-，SO4^2-的离子色谱阀切换方法。通过保护柱与分离柱的简单切换，使强保留离子PF6^-仅通过保护柱，缩短其流通路径，在较短时间内出峰，其它离子既通过保护柱又通过分离柱，从而达到快速同时分离的目的。样品经稀释溶解后直接进样，淋洗液选用KOH，流速为1．0mL／min，采用抑制型电导检测，外标法定量。PF6，F，C1，N03和SO4^2-的线性范围分别为1-200mg／L，0．1～25mg／L，0．1-5mg／L，0．1～5mg／L和0．1～5mg／L，线性相关系数均大于0．9995；加标回收率在86．5％～112．2％之间；相对标准偏差在1．4％～4．1％之间，检出限分别为8．9，0．41，0．44，1．2和1-2μg／L。本方法适用于一系列强弱保留离子同时分析的问题。 |
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| AbstractList | 建立了快速测定离子液体中六氟磷酸根(PF6-)及其它常规阴离子(F-,C1-,NO-3,SO2-4)的离子色谱阀切换方法.通过保护柱与分离柱的简单切换,使强保留离子PF6-仅通过保护柱,缩短其流通路径,在较短时间内出峰,其它离子既通过保护柱又通过分离柱,从而达到快速同时分离的目的.样品经稀释溶解后直接进样,淋洗液选用KOH,流速为1.0 mL/min,采用抑制型电导检测,外标法定量.PF6 -,F-,Cl-,NO3-和SO4-2的线性范围分别为1～200 mg/L,0.1～25 mg/L,0.1～5 mg/L,0.1～5 mg/L和0.1～5 mg/L,线性相关系数均大于0.9995；加标回收率在86.5％～112.2％之间；相对标准偏差在1.4％～4.1％之间,检出限分别为8.9,0.41,0.44,1.2和1.2 μg/L.本方法适用于一系列强弱保留离子同时分析的问题. 建立了快速测定离子液体中六氟磷酸根（PF6^-）及其它常规阴离子（F^-，CI^-，NO3^-，SO4^2-的离子色谱阀切换方法。通过保护柱与分离柱的简单切换，使强保留离子PF6^-仅通过保护柱，缩短其流通路径，在较短时间内出峰，其它离子既通过保护柱又通过分离柱，从而达到快速同时分离的目的。样品经稀释溶解后直接进样，淋洗液选用KOH，流速为1．0mL／min，采用抑制型电导检测，外标法定量。PF6，F，C1，N03和SO4^2-的线性范围分别为1-200mg／L，0．1～25mg／L，0．1-5mg／L，0．1～5mg／L和0．1～5mg／L，线性相关系数均大于0．9995；加标回收率在86．5％～112．2％之间；相对标准偏差在1．4％～4．1％之间，检出限分别为8．9，0．41，0．44，1．2和1-2μg／L。本方法适用于一系列强弱保留离子同时分析的问题。 |
| Author | 朱作艺 许锦钢 钟乃飞 张培敏 朱岩 |
| AuthorAffiliation | 浙江大学西溪校区化学系,杭州310028 桂林理工大学化学与生物工程学院,桂林541004 |
| AuthorAffiliation_xml | – name: 浙江大学西溪校区化学系,杭州,310028%桂林理工大学化学与生物工程学院,桂林,541004 |
| Author_FL | XU Jin-Gang ZHONG Nai-Fei ZHU Zuo-Yi ZHU Yan ZHANG Pei-Min |
| Author_FL_xml | – sequence: 1 fullname: ZHU Zuo-Yi – sequence: 2 fullname: XU Jin-Gang – sequence: 3 fullname: ZHONG Nai-Fei – sequence: 4 fullname: ZHANG Pei-Min – sequence: 5 fullname: ZHU Yan |
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| DOI | 10.3724/SP.J.1096.2011.01738 |
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| DocumentTitleAlternate | Fast Determination of Hexafluorophosphate, Fluorid, Chloride, Nitrate and Sulfate Inorganic Anions by Ion Chromatography with Valve Switching |
| DocumentTitle_FL | Fast Determination of Hexafluorophosphate, Fluorid, Chloride,Nitrate and Sulfate Inorganic Anions by Ion Chromatography with Valve Switching |
| EndPage | 1742 |
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| Keywords | 六氟磷酸根 离子色谱 阴离子 离子液体 阀切换 |
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| Notes | Ion chromatography; Valve switching; Ionic liquid; hexafluorophosphate; Fluoride（I）;Chloride（I）; Nitrate（I）; Sulfate（Ⅱ） A new method has been proposed for fast determination of hexafluorophosphate （PF6-） and some inorganic anions （F^- , C1^- , NO3^- , SO4^2- ）. It was accomplished by valve switching between anion exchange guard column and separation column connected in series. With strong retentive ion （PF6 ） only through guard column and the inorganic anions through both guard column and separation column, the separation was completed within a much shorter time. Under the optimum conditions, the linear ranges of the method for PF6^-, F , CI-, NO3 and SO4^2- were 1-200 mg/L （r=0. 9997）, 0.1-25 mg/L （r=0. 9995）, 0.1-5 mg/L（r=0. 9997）, 0.1-5 mg/L（r=0. 9997） and 0.1-5 mg/L（r=0. 9999）, whereas detection limits calculated at S/N=3 were 8.90, 0.41, 0.44, 1.23 and 1.20 gg/L, respectively. The recoveries were in the range of 86. 5%- 112.2% with the relative standard deviations of 1.4%-4.1%. The method could be applied |
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| PublicationTitle | 分析化学 |
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| PublicationYear | 2011 |
| Publisher | 浙江大学西溪校区化学系,杭州,310028%桂林理工大学化学与生物工程学院,桂林,541004 |
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| Title | 离子色谱阀切换快速测定六氟磷酸根及多种阴离子 |
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