The safety of formaldehyde has been widely concerned by the society. Formaldehyde has been proved to have a great harm to human health. The interior decoration materials is the only source of formaldehyde in people's daily life, decoration materials contain residual formaldehyde, effect of formaldehyde residual amount on human body is still in doubt. In the national standards, testing methods and standard limit of formaldehyde emission are controversial. In this paper, different analysis and testing methods of formaldehyde were summarized, indoor test methods of formaldehyde were compared. Taking the wallpaper as an example, the new standard limit value were put forward through experiments.%HCHO的安全问题已经被社会新闻等的广泛关注,HCHO现已被证实对人类健康十分不利.室内装修材料是日常生活接触HCHO的唯一来源,HCHO残余量是否会对人体产生潜移默化的影响仍存有疑问.国家标准中HCHO释放量检测方法及标准限量一直是存在着争议,通过对不同方法的HCHO分析测试方法汇总,对HCHO的室内检测方法进行对比说明,并且以壁纸为例,通过实验提出新的标准限量值,以供以后标准修制订参考.
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