基于GB 50325—2020室内空气甲醛检测方法辨析  

Analysis of Formaldehyde Detection in Indoor Air Based on GB 50325—2020

作　　者：张嵩[1] 赵雪君[1] 谢英美 ZHANG Song;ZHAO Xuejun;XIE Yingmei(Faculty of Architecture Engineering, Kunming Metallurgy College, Kunming 650033, China)

机构地区：[1]昆明冶金高等专科学校建筑工程学院,云南昆明650033

出　　处：《昆明冶金高等专科学校学报》2022年第1期96-100,共5页Journal of Kunming Metallurgy College

摘　　要：民用建筑工程室内环境污染物甲醛检测标准方法从原国标GB 50325—2010中的酚试剂分光光度法变更为GB 50325—2020中的AHMT分光光度法,同时提高了室内空气中甲醛浓度的限量标准,2种方法存在一定的差异。针对这一变更,通过标准的变化,对2种甲醛检测方法的实验原理、检出限、分析操作流程、优缺点等方面进行辨析,得出在室内环境污染物成分混杂的环境下AHMT分光光度法在甲醛检测稳定性与精确性上优于酚试剂法,更适合社会发展及保障人民健康的结论。The standard method of formaldehyde detection of indoor environmental pollution in civil building engineering has been changed from the phenol reagent spectrophotometric method in the original national standard GB 50325—2010 to the AHMT spectrophotometric method in GB 50325—2020,and the limit of formaldehyde concentration in indoor air has been increased.In view of this change,this paper analyses the experimental principles,detection limits,analytical procedures,advantages and disadvantages of the two formaldehyde testing methods,and concludes that the AHMT spectrophotometric method is more suitable for social development and protection of people's health than the phenol reagent method in terms of stability and accuracy in the detection of formaldehyde in a mixed environment with indoor environmental pollutants.

关 键 词：室内空气 甲醛检测标准 甲醛检测 酚试剂法 AHMT法 

分 类 号：X830[环境科学与工程—环境工程]