フィルター上に捕集した大気粉じんのひょう量 : 湿度の影響とその対策

概要

論文の詳細を見る
After airborne particulates are collected with a high volume sampler or a low volume sampler, it is prescribed that those samples are weighed in the atmosphere at 20 ℃ and 50 % relative humidity. Therefore, an experimental apparatus for the easy control of humidity was developed. From of the results of weighing of blank filters under the various values of humidity, it was proved that filters of cellulose ester had the properties of larger moisture-adsorption than those of glass fiber. The weighing of airborne particulates collected on filters is difficult because of moistureadsorption of those. But the samples were able to be easily and accurately weighed by being tightly covered with aluminum leaves in the box for conditioning of the samples before weighing of those. The results of weighing with this method were independent of various values of humidity in the room where those samples were weighed.
社団法人日本分析化学会の論文
1983-12-05