| 食品中亚硫酸盐的离子色谱法测定 |
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| 引用本文： | 黄惠玲,王玉健,卓海华,刘红专,徐莉,纪少凡,曾敏,林正锋.食品中亚硫酸盐的离子色谱法测定[J].分析试验室,2009,28(8). |
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| 作者姓名： | 黄惠玲 王玉健 卓海华 刘红专 徐莉 纪少凡 曾敏 林正锋 |
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| 作者单位： | 海南出入境检验检疫局技术中心,海口,570105 |
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| 摘 要： | 建立了食品中亚硫酸盐的离子色谱检测方法. 样品采用40 mmol/L NaOH溶液提取, 甲醛作稳定剂, 经ENVI-Carb活性碳小柱除去提取液中的色素, 石油醚除去提取液中的油脂, 用配有电导检测器的离子色谱仪测定. 以AS9-HC为色谱柱, 流动相为8 mmol/L Na2CO3-2.5 mmol/L NaOH, 亚硫酸盐的残留量在0～6.0 mg/L的范围内线性关系良好, 相关系数为0.9989, 相对标准偏差为1.3%～9.1%, 回收率在88.4%～98.1%之间.
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| 关 键 词： | 食品 亚硫酸盐 离子色谱法 |
Determination of sulfite in food by ion chromatography |
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| HUANG Hui-ling,WANG Yu-jian,ZHUO Hai-hua,LIU Hong-zhuan,XU Li,JI Shaofan,ZENG Min,LIN Zheng-feng.Determination of sulfite in food by ion chromatography[J].Chinese Journal of Analysis Laboratory,2009,28(8). |
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| Authors: | HUANG Hui-ling WANG Yu-jian ZHUO Hai-hua LIU Hong-zhuan XU Li JI Shaofan ZENG Min LIN Zheng-feng |
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| Institution: | Technological Center;Hainan Entry-Exit Inspection and Quarantine Bureau;Haikou 570105 |
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| Abstract: | A method for the determination of sulfite in food by ion chromatography has been established.The samples were extracted with 40mmol/L NaOH and reacted with formaldehyde to form hydroxymethyl sulfonic acid.The pigment and fat were removed with ENVI-Carb cartridge and petroleum ether,respectively.Then the derivation,hydroxymethyl sulfonic acid,was determined with ion chromatography equipped with a conductance detector,quantified by an external standard method.In the method AS 9-HC chromatographic column was u... |
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| Keywords: | Ion chromatography Food Sulfite |
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