水(发)产品中游离甲醛含量的现场快速检测方法探讨  

Introducing a fast technique to detect formaldehyde in aquatic food product

作　　者：区伟全[1] 

机构地区：[1]广州市番禺区疾病预防控制中心,广州511400

出　　处：《中国卫生检验杂志》2008年第9期1763-1764,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：采用快速检测技术对水产品、水发产品的游离甲醛含量进行现场检测。方法：间苯三酚在强碱性条件下,与甲醛反应,生成橙红色物质,随甲醛浓度增加颜色加深。结果：甲醛在0.1-5 mg/L范围内线性关系良好,相关系数〉0.999,方法回收率在92.3%-99.4%之间,最低检测浓度是0.1 mg/L。结论：本反应速度比较快,常温下可进行,适合现场快速检测。Objective：To introduce a fast technique to detect formaldehyde in aquatic food product.Methods：Phloroglucinol react with formaldehyde to come into being a yellowish-red dyestuff,the color of dyestuff changes with concentration of formaldehyde.Results：When formaldehyde content between 0.1 mg/L and 5 mg/L,correlation coefficent 〉0.999,percent recovery between 92.3% and 99.4%,detection limit is 0.1 mg/L.Conclusion：This is a fast reaction at normal room temperature.It is suitable for locale-testing.

关 键 词：快速检测 水(发)产品 游离甲醛 

分 类 号：R155.5[医药卫生—营养与食品卫生学]