一种检测空气中甲醛浓度的检测材料、方法和装置
By combining all-solid-state detection materials with diffuse reflection light and fluorescence signals to calculate formaldehyde concentration, the problem of complex detection and insufficient sensitivity in existing technologies has been solved, achieving rapid, accurate, and low-cost formaldehyde detection that meets national standards.
CN118425107BActive Publication Date: 2026-07-17BEIJING HTNOVA DETECTION TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING HTNOVA DETECTION TECH CO LTD
- Filing Date
- 2023-02-02
- Publication Date
- 2026-07-17
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Figure CN118425107B_ABST
Abstract
本发明提供一种检测空气中甲醛浓度的检测材料、方法和装置，该检测材料包括检测化合物和惰性多孔介质，检测化合物分散在惰性多孔介质的表面，检测化合物能与甲醛发生化学反应，通过检测装置测量检测材料与甲醛反应前后的漫反射光强差值和荧光光强差值，确定荧光变化和漫反射光变化在甲醛浓度计算中的权重占比，并最终确定被测气体中的甲醛浓度。该检测方法使用被设置于检测装置中的全固态检测材料，可在数分钟内定量检测出低浓度甲醛，并通过荧光、漫反射光两种信号参与甲醛浓度计算，实现了在空气环境下快速、准确、定量、低成本、抗干扰地对空气中甲醛浓度进行检测。
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