装修后室内空气中甲醛污染调查

目的　调查装修后居室空气中甲醛的污染现状并探讨其影响因素。方法　选择 6 6户装修时间为 1个月～ 1年的居室为对象 ,2 8栋毛坯楼房为对照 ,采用直读式数字便携式甲醛分析仪检测室内空气中甲醛含量。结果　装修后相同时间内 ,高温期的甲醛浓度和低温期的甲醛浓度差异有统计学意义 (P <0 . 0 5 ) ,高温期甲醛浓度平均为低温期的 5倍 ,家具也是甲醛污染来源之一。结论　影响室内甲醛含量的因素主要是装修材料的质量、用量、装修时间和室内温度 ,保持良好的通风有利于甲醛的释放 ,可有效地减轻居室内甲醛的污染程度。

Investigation on formaldehyde pollution in indoor air of new decorated house

Objective To investigate the status of formaldehyde pollution in indoor air of the decorated houses,and to explore its effect factors.Methods 66 apartments decorated from one month to almost one year and 28 roughcast apartments were selected and the concentration of formaldehyde were determined by portable readability Digital formaldehyde analyzing machine.Results In the same period after decorating,there was significant difference of formaldehyde concentration between bigh temperature period and low temperature period(P<0.05).Formaldehyde concentration of high temperature period was 5times as much as that of the low temperature conditions.Furniture was also the source of formaldehyde pollution.Conclusion The main factors influencing formaldehyde content in indoor air included the quality and the amount of decorating material,time after decoration and indoor temperature.Good airiness was in favor of formaldehyde releasing.