甲醛试纸的制备及应用

Chemical Defence on Ships(2012)

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Abstract
从甲醛浓度与吸光度之间的线性关系及空白与检测限浓度显色的可区分性两个角度,分析了改进的AHMT分光光度法制备甲醛试纸的可行性,通过筛选载体吸水材料、制备比色卡制成试纸样品,并进行了性能及寿命测试。结果表明,该试纸在空气甲醛浓度低于0.6mg/m3时色阶明显,最低检测浓度与空白显色可分,甲醛显色剂存放时间半年不变性,该技术具有可开发成低浓度甲醛现场半定量检测产品的潜力。
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Key words
Semi-quantitative,Test paper,Formaldehyde testing
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