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Comparison of test methods for formaldehyde clean air delivery rate in air purifier
Author(s): 
Pages: 54-56,68
Year: Issue:  12
Journal: Household Appliance Technology

Keyword:  洁净空气量(CADR)酚试剂分光光度法在线质谱法;
Abstract: 空气净化器标准GB/T 18801-2015中甲醛CADR在30立方米测试舱的测试范围是20~400m3/h,现在市面上已经有很大一部分空气净化器甲醛CADR大于400m3/h,使用酚试剂分光光度法测试时必须采用4口交叉采样方式进行,该四口交叉采样方法繁琐,对实验人员专业水平要求高;而在线质谱检测方法可以避免繁琐的采样方法,相同时间内可以采集到的数据点多,测量范围更广,结果更加真实可靠.本文分别使用酚试剂分光光度法、在线质谱法测试甲醛CADR大于400m3/h的空气净化器,对测试结果数据进行分析,比较两种方法的差异.
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