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重新审视利用数字视频的催化方法:在甘烈酒中的铜和糖的顺序确定

Gabriel M Fernandes¹, Fábio R P Rocha¹

¹Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, Piracicaba, São Paulo 13416-000 Brazil.

|December 1, 2025

概括

智能手机的视频可以使用新的催化方法来确定甘烈酒中的铜 (II) 和糖糖. 这种具有成本效益的方法为质量控制提供了准确,环保的分析.

科学领域:

分析化学分析化学
环境科学环境科学
食品科学食品科学食品科学

背景情况:

催化方法需要精确的时间控制,以获得可靠的分析结果.
智能手机摄像头为开发敏感分析技术提供了一个新的平台.
精确的铜 (II) 和糖的确定对于甘酒的质量控制至关重要.

研究的目的:

率先使用智能手机摄像头的数字视频进行催化分析.
开发一种测定甘烈酒中的铜 (II) 和糖糖的方法.
建立一个具有成本效益和环保的分析替代方案.

主要方法:

利用智能手机的数字视频,根据颜色变化 (RGB'G'频道) 捕捉动力曲线.
采用了一种催化反应,涉及1,5-二甲化 (DPC) 的铜 (II) 氧化.
利用了对催化反应的糖复合的抑制作用来量化.

主要成果:

对Cu ((II) (0.060.95毫克L-1) 和糖糖 (0.15.0毫克L-1) 实现了线性反应,相关系数高 (r2 > 0.99).
获得的低检测极限 (LOD) 为Cu (II) 的0.02毫克L-1和砂糖的0.03克L-1.
证明了高准确性,Cu (II) 的回收率在91108%和砂糖的95118%之间,变化系数低 (4.5%和4.2%).

结论:

拟议的基于智能手机的催化方法是可行的,具有成本效益的和环保的替代品,用于对甘烈酒的质量控制.
该方法需要最小的试剂,并产生可以忽略不计的废物.
准确性和精确性根据已建立的方法 (FAAS和Lane-Eynon) 进行了验证.

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