CAJ | 학술논문

　　建立了用离子色谱法测定空气中甲醛的方法。空气中甲醛活性炭吸附，过氧化氢氧化甲酸、微波提取，阴离子分离柱分离，直接进样分析，时间定性，峰高定量，其甲醛回收率为92．3％～105．5％，在采样体积为48L的条件下，甲醛最低检出质量浓度为0．005mg/m3。本方法前处理简便，分离度好干扰少，分析灵敏度高，化学试剂使用量少，满足环境分析要求。
　　건립료용리자색보법측정공기중갑철적방법。공기중갑철활성탄흡부，과양화경양화갑산、미파제취，음리자분리주분리，직접진양분석，시간정성，봉고정량，기갑철회수솔위92．3％～105．5％，재채양체적위48L적조건하，갑철최저검출질량농도위0．005mg/m3。본방법전처리간편，분리도호간우소，분석령민도고，화학시제사용량소，만족배경분석요구。
The establishment of an ion chromatographic method for the determination of formaldehyde in air by the method of . Formaldehyde in air by activated carbon adsorption ,hydrogen peroxide oxidation of formic acid ,microwave extraction ,anion sepa-ration column separation ,sample analysis ,the qualitative time ,peak height quantitative ,its formaldehyde recovery rate was 92 .3%~ 105 .5% ,the sampling volume 48L conditions ,formaldehyde minimum detectable mass concentration of 0 .005mg/m3 .This method is easy pretreatment ,separation of good little interference ,high analysis sensitivity ,chemical reagents used less ,to meet the demands of environmental analysis .