中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 离子色谱两步梯度洗脱测定小麦粉中溴酸盐方法研究 东北农业大学学报 2013,44 (8) 93-98
Position: Home > Articles > Determination of bromate in wheat flour by ion chromatography with two step gradient elution Journal of Northeast Agricultural University 2013,44 (8) 93-98

离子色谱两步梯度洗脱测定小麦粉中溴酸盐方法研究

作  者：
赵琳;张晓波;任红波;刘峰;金海涛;马文琼;陈国峰
单  位：
黑龙江省农业科学院农产品质量安全研究所
关键词：
离子色谱;两步梯度洗脱;小麦粉;溴酸盐
摘  要：
建立小麦粉中溴酸盐离子色谱两步梯度洗脱分析方法,样品以水浸泡,超声波提取,On Guard RP柱净化,DIONEX IonPac AS19(4 mm×250 mm)分离柱和IonPac AG19(4 mm×250 mm)保护柱,流动相KOH,流速1.00 mL.min-1;柱温30℃,进样体积100 mL,ASRS-ULTR 4 mm阴离子抑制器,抑制电流80 mA;保留时间约6.13 min。0.1~0.5 mg.kg-1添加水平内,平均回收率97.42%~98.63%,变异系数0.73%~3.10%。方法检出低限为0.1mg.kg-1。结果表明,该方法适用于面粉中溴酸盐的大批量快速分析测定。
译  名：
Determination of bromate in wheat flour by ion chromatography with two step gradient elution
作  者：
ZHAO Lin,ZHANG Xiaobo,REN Hongbo,LIU Feng,JIN Haitao,MA Wenqiong,CHEN Guofeng(Agri-product Quality and Safety Institute,Heilongjiang Academy of Agriculture Sciences,Harbin 150086,China)
关键词：
Ion chromatography;two step gradient elution;wheat flour;bromate
摘  要：
Analytical method using ion chromatography with two step gradient elution was developed for the determination of bromate in flour.Samples were dispersed in water,extracted with sonication,cleaned up with a pre-activated On Guard RP solid-phase extraction cartridge and analysis by DIONEX IonPac AS19(4 mm × 250 mm).The mobile phase was KOH;the flow rate was 1.0 mL.min-1;the column temperature was 30 ℃;the injection volume was 100 mL;Suppressed conductivity detection,suppressor current: 80 mA;the retention time was 6.13 min.Recoveries of bromate in flour spiked within the range of 0.1-0.5 mg.kg-1 ranged from 97.42% to 98.63%,with coefficients of variation between 0.73% and 3.10%.The limit of detection was 0.1 mg.kg-1.These results suggest that this method can be used for qualification and quantification of bromate in flour.

相似文章

导出引用
计量
文章访问数: 9
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46