BAO Xue-ying,LIU Yan-qin.Study on Determination of Inorganic Anions in Trdllius chinensis by Ion Chromatography[J].Northern Horticulture,2012,36(23):168-169.
离子色谱法测定金莲花中多种阴离子研究
- Title:
- Study on Determination of Inorganic Anions in Trdllius chinensis by Ion Chromatography
- 文章编号:
- 1001-0009(2012)23-0168-02
- Keywords:
- ion-chromatography; Trdllius chinensis; F-; Cl-; NO3-; SO42-; simultaneous analysis
- 分类号:
- S 681.9
- 文献标志码:
- A
- 摘要:
- 以金莲花为试材，采用超声法提取金莲花阴离子，并利用离子色谱法测定金莲花中F-、Cl-、NO3-、SO42-4种阴离子。结果表明：金莲花中的4种阴离子经过80℃在超声波作用下水浴浸提20 min，IonPac AS14A色谱柱分离，8 mmol/L Na2CO3+1 mmol/L NaHCO3为淋洗液，流速为1.00 mL/min。该方法的线性相关系数达到0.999以上，回收率为89.70%~105.35%，各组分的检出限为0.02~0.04 mg/L。该方法操作简便，准确可靠，可用于实际金莲花样品无机阴离子含量的测定。
- Abstract:
- Taking Trdllius chinensis Bunqe as material，anions were extracted by ultrasonic method，and F-，Cl-，NO3-，SO42-in Trdllius chinensis were determinated by ion-chromatography.The results showed that 4 anions in the samples were extracted ultrasonically with water for 20 min，at 80℃.The separation of 4 anions was performed on IonPac AS14A analytic column with an eluent containing 8 mmol/L Na2CO3+1 mmol/L NaHCO3，and the flow rate as 1.00 mL/min.The correlation coefficients were superior to 0.999，and the recoveries were 89.70%~105.35%，the detection limits of these anions were in the range of 0.02~0.04 mg/L.The method was simple and accurate and could be applied in the analysis of Trdllius chinensis samples.
参考文献/References:
[1]江锦花,蔡郁蓓.离子色谱法测定茶叶中阴离子含量研究[J].光谱实验室,2005,22(2):404-405. [2]石元值,杨亦扬,阮建云,等.用离子色谱法同时测定茶叶中F-、Cl-、SO42-、NO3-[J].食品科学,2008,29(3):383-385. [3]庹苏行,吴名剑,李辉,等.离子色谱法同时测定烟叶中的6种无机阴离子[J].烟草科技,2006(11):37-41. [4]黄芳,吴晓霞,刘燕晓,等.离子色谱法同时测定茶叶中多种阴离子[J].化学分析计量,2011(1):65-67.
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备注/Memo
第一作者简介：包雪英(1969-)，女，本科，副教授，现主要从事植物学与植物生理学和遗传学等方面的教学与科研工作。E-mail:swxbxy@163.com.