CAJ | 학술논문

目的建立工作场所空气中乙二醇丁醚的气相色谱测定法.方法工作场所空气中乙二醇丁醚用活性炭采样管采集,二氯甲烷/甲醇解吸后进样,经毛细管色谱柱分离,氢焰离子化检测器检测,以保留时间定性,峰面积定量.结果乙二醇丁醚在56.3～901.0 μg/ml范围内呈线性关系.相关系数为0.9999;方法的检出限为2.0 μg/ml;定量下限为5.0μgml,在采样体积为7.5 L,解吸液体积为1.0ml的条件下,方法的最低检出浓度为0.27 mg/m3;不同浓度的乙二醇丁醚相对标准偏差为3.04％～7.93％；加标回收率为92.7％～95.5％.结论该方法灵敏度高,精密度好,准确度好,适用于工作场所空气中乙二醇丁醚的测定.
목적 건립공작장소공기중을이순정미적기상색보측정법.방법 공작장소공기중을이순정미용활성탄채양관채집,이록갑완/갑순해흡후진양,경모세관색보주분리,경염리자화검측기검측,이보류시간정성,봉면적정량.결과 을이순정미재56.3～901.0 μg/ml범위내정선성관계.상관계수위0.9999;방법적검출한위2.0 μg/ml;정량하한위5.0μgml,재채양체적위7.5 L,해흡액체적위1.0ml적조건하,방법적최저검출농도위0.27 mg/m3;불동농도적을이순정미상대표준편차위3.04％～7.93％；가표회수솔위92.7％～95.5％.결론 해방법령민도고,정밀도호,준학도호,괄용우공작장소공기중을이순정미적측정.
Objective To establish a gas chromatographic method for detecting 2-butoxy ethanol in the air of workplaces.Methods After the air samples were collected with activated carbon tubes and desorbed with methylene chloride/methanol,the target toxicant was separated with FFAP capillary columns and detected with flame ionization detector,qualified by retention time and quantified by peak area.Results The linear range of 2-butoxy ethanol in air of workplace was 56.3～901.0 μg/ml,the correlation coefficient was 09999.The limit of detection was 2.0 μg/ml.The limit of quantity was 5.0 μg/ml.The minimal detecting concentration was 0.27mg/m3 in the condition of 7.5L sampling volume and 1 ml desorbed volume,Relative standard deviation was 3.04％～7.93％ and the recovery was 92.7％～95.5％.Conclusion In present study the detecting method with high sensitivity,precision and accuracy can be used to determine 2-butoxy ethanol in the air of workplaces.