| 食品中总砷测定方法探讨 |
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| 引用本文： | 高广飞,聂莉,张媛媛,梁斌. 食品中总砷测定方法探讨[J]. 中国卫生检验杂志, 2011, 0(5) |
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| 作者姓名： | 高广飞 聂莉 张媛媛 梁斌 |
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| 作者单位： | 辽宁省天利金业有限责任公司;辽宁省疾病预防控制中心;辽宁省丹东凤城市疾病预防控制中心; |
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| 摘 要： | 目的:对食品中总砷测定方法及相关因素进行探讨。方法:按GB/T5009.11-2003食品中总砷的测定,比较湿消解法与干灰化法处理样品效果;确定干灰化法适用样品的种类;观察标准溶液的稳定时间;样品处理定容后的稳定时间及1%硼氢化钾的稳定性。结果:干灰化法处理样品优于湿消解法。干灰化法适用于固体、液体等类样品。标准溶液至少可以稳定5个月。样品处理定容后至少可以稳定5 d。1%硼氢化钾可以稳定30 d。结论:干灰化法操作简单容易控制,精密度好,准确度高;所用标准溶液、试剂稳定时间较长。
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| 关 键 词： | 食品 砷测定 |
Research of determination methods of total arsenic in food |
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| GAO Guang-fei,NIE Li,ZHANG Yuan-yuan,LIANG Bin. Research of determination methods of total arsenic in food[J]. Chinses Journal of Health Laboratory Technology, 2011, 0(5) |
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| Authors: | GAO Guang-fei NIE Li ZHANG Yuan-yuan LIANG Bin |
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| Affiliation: | GAO Guang-fei1,NIE Li2,ZHANG Yuan-yuan2,LIANG Bin3(1.Liaoning Tianli Gold Co.,Ltd,Dandong,118100,China,2.Liaoning Center For Desease Control And Prevention,Shenyang,110005,3.Fengcheng Center For Desease Control And Prevention,China) |
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| Abstract: | Objective:The determination of total arsenic and relevant factors in food were discussed.Methods: Refering to GB/T5009.11-2003 determination of total arsenic in food,the effect of wet digestion method and dry ashing method in treating samples were compared.The types of samples which were applicable to dry ashing method were determined.The stabilization of the standard solution was observed.The stabilization of treated samples and 1% potassium borohydride were detected.Results: Dry ashing method was better t... |
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| Keywords: | Food Arsenic determination |
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