广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2012年
10期
118-120
,共3页
苏玛罐采样-冷阱富集%GC/MS%PAMS
囌瑪罐採樣-冷阱富集%GC/MS%PAMS
소마관채양-랭정부집%GC/MS%PAMS
canister%GC/MS%PAMS
研究了环境空气中臭氧前驱物的气相色谱质谱方法。采用苏玛罐采样-冷阱富集,MS检测环境空气中臭氧前驱物(PAMS),臭氧前驱物RSD%在4.0%~24.4%之间。测定结果的相对标准偏差均小于30%。得到了良好的分离效果、较宽的线性关系和较高的灵敏度,方法在保存样品稳定性、保证方法检测限及提高分析化合物的种类等方面均有较大优势,适用于空气中低浓度挥发性有机物的监测。
研究瞭環境空氣中臭氧前驅物的氣相色譜質譜方法。採用囌瑪罐採樣-冷阱富集,MS檢測環境空氣中臭氧前驅物(PAMS),臭氧前驅物RSD%在4.0%~24.4%之間。測定結果的相對標準偏差均小于30%。得到瞭良好的分離效果、較寬的線性關繫和較高的靈敏度,方法在保存樣品穩定性、保證方法檢測限及提高分析化閤物的種類等方麵均有較大優勢,適用于空氣中低濃度揮髮性有機物的鑑測。
연구료배경공기중취양전구물적기상색보질보방법。채용소마관채양-랭정부집,MS검측배경공기중취양전구물(PAMS),취양전구물RSD%재4.0%~24.4%지간。측정결과적상대표준편차균소우30%。득도료량호적분리효과、교관적선성관계화교고적령민도,방법재보존양품은정성、보증방법검측한급제고분석화합물적충류등방면균유교대우세,괄용우공기중저농도휘발성유궤물적감측。
A determination methed of Photochemical ozone creation Potentials(PAMS)in environmental air by pre-concentration and gas chromatography mass spectrometry was studied.PAMS RSD% was between 4%~24.4%.The relative standard deviation was less than 30%.A good separation effect,wide linearity and high sensitivity was got,the method had greater advantages in preservation sample stability,ensuring the method detection limits and improving the analysis of compound classes,and was applicable to air VOC in low concentration monitoring.