| 食品中亚硝酸盐含量测定的研究 |
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| 引用本文： | 周石洋,陈玲.食品中亚硝酸盐含量测定的研究[J].食品安全质量检测技术,2011,2(6):285-289. |
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| 作者姓名： | 周石洋 陈玲 |
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| 作者单位： | 重庆市邦明食品有限公司;西南大学 |
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| 摘 要： | 亚硝酸盐含量的测定是食品检测中重要的检测指标之一,现行的检测方法很多。文中采用了新的检测方法,利用亚硝酸根在酸性条件下跟碘离子反应,生成碘单质,再用硫代硫酸钠滴定法碘单质,间接测定食品中亚硝酸盐的含量。实验中还研究了淀粉用量、不同酸性物质和不同pH等反应条件对回收率的影响。
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| 关 键 词： | 亚硝酸盐 测定 食品 滴定法 回收率 |
Study on the determination of nitrite in food |
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| Zhou Shiyang and Chen Ling.Study on the determination of nitrite in food[J].Food Safety and Quality Detection Technology,2011,2(6):285-289. |
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| Authors: | Zhou Shiyang and Chen Ling |
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| Affiliation: | Chong Qing Shi Bang Ming Food Co.; Ltd.; Chongqing 400036; China;Southwest University Chongqing 400715; China |
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| Abstract: | Determination of nitrite content in food detection is one of important indexes,the current detection method.In this paper a new method for detecting,using nitrite under acidic conditions with iodine ion reaction,generate iodine,and then sodium thiosulfate titration iodine,indirect determination of nitrite content in food.Experiment of starch dosage,different acidic materials and different reaction conditions such as pH to influence the recovery rate. |
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| Keywords: | nitrite determination food titration recovery rate |
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