CAJ | 학술논문

目的建立工作场所空气中邻联甲苯胺的气相色谱测定法.方法用玻璃纤维滤膜采集空气中的邻联甲苯胺,甲醇洗脱,气相色谱-氢火焰离子化检测器检测.结果在0.04～9.00 μg/ml范围内呈线性关系,检出限为0.04 μg/ml,最低检出浓度为0.0002 mg/m3(以采集375 L空气样品计),采样效率为93％～100％,洗脱效率94％～96％,相对标准偏差为0.8％～2.5％,样品在4 ℃条件下至少能稳定保存8d,室温最多能保存6d.结论该方法各项指标均符合GBZ/T 210.4-2008《职业卫生标准制定指南第4部分:工作场所空气中化学物质测定方法》,适用于工作场所空气中邻联甲苯胺的测定.
목적 건립공작장소공기중린련갑분알적기상색보측정법.방법 용파리섬유려막채집공기중적린련갑분알,갑순세탈,기상색보-경화염리자화검측기검측.결과 재0.04～9.00 μg/ml범위내정선성관계,검출한위0.04 μg/ml,최저검출농도위0.0002 mg/m3(이채집375 L공기양품계),채양효솔위93％～100％,세탈효솔94％～96％,상대표준편차위0.8％～2.5％,양품재4 ℃조건하지소능은정보존8d,실온최다능보존6d.결론 해방법각항지표균부합GBZ/T 210.4-2008《직업위생표준제정지남제4부분:공작장소공기중화학물질측정방법》,괄용우공작장소공기중린련갑분알적측정.
Objective To establish a method for determining o-tolidine in workplace air by gas chromatography.Methods o-tolidine in workplace air was collected with a glass fiber filter,desorbed with methanol,and determined by gas chromatography-flame ionization detector.Results The concentration of otolidine showed a linear relationship with peak area within 0.04～9.00 μg/ml; the detection limit was 0.04 μg/ml;the minimum detectable concentration was 0.0002 mg/m3 (calculated by 375 L air sample); the sampling efficiency was 93％～100％; the elution efficiency was 94％～96％; the relative standard deviation was 0.8-2.5％.Sample could be stored at 4 ℃ for at least 8 days and at room temperature for as long as 6 days.Conclusion This determination method meets the requirements of Guide for establishing occupational heath standards-Part 4Determination methods of air chemicals in workplace (GBZ/T 210.4-2008) and is suitable for determination of o-tolidine in workplace air.