| 梯度淋洗离子色谱法同时检测西兰花中6种无机阴离子 |
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| 引用本文： | 高健,范宝莉,亢原彬,李煜,李玉梅,尚云涛.梯度淋洗离子色谱法同时检测西兰花中6种无机阴离子[J].中国无机分析化学,2022,12(1):150-154. |
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| 作者姓名： | 高健 范宝莉 亢原彬 李煜 李玉梅 尚云涛 |
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| 作者单位： | 天津师范大学,天津师范大学,天津师范大学,西南林业大学,天津渤海望亚涂料有限公司,天津师范大学 |
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| 摘 要： | 构建一种利用梯度淋洗离子色谱技术分析西兰花中Cl-、Br-、NO2-、NO3-、PO43-和SO42-6种无机阴离子含量的方法。梯度淋洗色谱离子体系为DIONEX Ion Pac AS11-HC(4 mm×250 mm)色谱柱,流速1.0 mL/min,抑制器电流80 mA,KOH淋洗液梯度淋洗。6种阴离子线性相关系数0.9995~0.9999,相对标准偏差(RSD)<2.5%,加标回收率95.7%~104%。用于检测西兰花中无机阴离子的方法灵敏度高、回收率高、可以适用于西兰花中6种阴离子精确定量分析。
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| 关 键 词： | 离子色谱 梯度淋洗 西兰花 无机阴离子 |
| 收稿时间： | 2021/7/12 0:00:00 |
| 修稿时间： | 2021/12/30 0:00:00 |
Simultaneous Determination of Six Inorganic Anions in Broccoli by Gradient Elution Ion Chromatography |
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| GAO Jian,FAN Baoli,KANG Yuanbin,Li Yu,Li Yumei and SHANG Yuntao.Simultaneous Determination of Six Inorganic Anions in Broccoli by Gradient Elution Ion Chromatography[J].Chinese Journal of Inorganic Analytical Chemistry,2022,12(1):150-154. |
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| Authors: | GAO Jian FAN Baoli KANG Yuanbin Li Yu Li Yumei and SHANG Yuntao |
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| Institution: | Tianjin Normal University,Tianjin Normal University,Tianjin Normal University,Southwest Forestry University,Tianjin Bohai Wangya Paint Co,Ltd,Tianjin Normal University |
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| Abstract: | To establish the determination of Cl-, Br-, NO2-,NO3-, PO43- and SO42- anion in broccoli by gradient elution ion chromatography. The gradient elution ion chromatography conditions were: DIONEX Ion Pac AS11-HC (4×250 mm), the flow rate at 1.0ml/min, the suppressor current at 80mA, KOH gradient elution. Results: The determination coefficients of the linear equations for six anions were in the range of 0.9995~0.9999 with RSD less than 2.5%, and the recoveries of spiked samples ranged from 95~104%. This method is high precision and recovery rate. It provides a reliable detection method for determination of six anions in broccoli. |
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| Keywords: | Ion Chromatography gradient elution broccoli inorganic anions |
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