| 乙酰丙酮分光光度法测定啤酒中甲醛含量 |
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| 引用本文： | 赖海涛,苏国成,林加富. 乙酰丙酮分光光度法测定啤酒中甲醛含量[J]. 酿酒科技, 2012, 0(6): 102-105 |
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| 作者姓名： | 赖海涛 苏国成 林加富 |
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| 作者单位： | 1. 集美大学生物工程学院,福建厦门,361021
2. 集美大学生物工程学院,福建厦门361021 厦门市食品科技研发检测中心,福建厦门361100 |
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| 基金项目： | 厦门市重大科技创新平台项目 |
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| 摘 要： | 在酸性条件下将溶解于水中的游离甲醛随水蒸出,并与乙酰丙酮作用,建立分光光度计测定啤酒中甲醛含量的方法。结果表明,方法检出限为3.31×10-9g/mL,线性范围为0～4.20μg/10 mL,变异系数RSD=0.78%。该方法操作简便,灵敏度高,重现性好。
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| 关 键 词： | 分析检测 乙酰丙酮分光光度法 啤酒 甲醛 测定 |
Determination of Formaldehyde Content in Beer by Acetylacetone Spectrophotometry |
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| LAI Haitao,SU Guocheng,and LIN Jiafu. Determination of Formaldehyde Content in Beer by Acetylacetone Spectrophotometry[J]. Liquor-making Science & Technology, 2012, 0(6): 102-105 |
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| Authors: | LAI Haitao SU Guocheng and LIN Jiafu |
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| Affiliation: | 1(1.Bioengineering College of Jimei University,Xiamen,Fujian 361021;2.Xiamen Food Science and Technology Development and Testing Center,Xiamen,Fujian 361100,China) |
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| Abstract: | Acetylacetone spectrophotometry was applied to measure formaldehyde content in beer by reaction of formaldehyde which was vapored in the acidic conditions with acetylacetone.The results showed that the detection limit was 3.31×10-9g/mL,the linearity range was 0～4.20 μg/10 mL,and RSD= 0.78 %.Such method was simple to operate with high sensitivity and good reproducibility. |
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| Keywords: | analysis and measurement acetylacetone spectrophotometry beer formaldehyde determination |
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