【摘要】 为了检验化学酚试剂比色法与便携式甲醛测定仪测定室内空气中甲醛方法间有无显著性差异,用2种方法做了比对试验,并对2种方法的相关性、精密性进行了分析。结果表明,2种分析方法无显著性差异。便携式甲醛分析仪具有操作简单、携带方便、直观性强等优点,有利于民用建筑室内环境中甲醛的测定。更多还原

【Abstract】 In this paper,comparison tests were made by using chemical phenol reagent colorimetry and portable formaldehyde analyzer among different concentrations of formaldehyde in indoor air,and the relativity and precision of the two methods were analyzed.The results showed that the two types of analysis had no significant difference.The portable formaldehyde analyzer operated expediently and carried easily,which was in favor of the determination for the formaldehyde of civil indoor air.更多还原