中华劳动卫生职业病杂志
中華勞動衛生職業病雜誌
중화노동위생직업병잡지
CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES
2015年
4期
294-296
,共3页
N-异丙基苯胺%工作场所%色谱法,高效液相
N-異丙基苯胺%工作場所%色譜法,高效液相
N-이병기분알%공작장소%색보법,고효액상
N-isopropylaniline%Workplace%Chromatography,high performance liquid
目的 建立工作场所空气中 N-异丙基苯胺测定的高效液相色谱方法.方法 采用硅胶管吸附空气中的N-异丙基苯胺,乙腈解吸,高效液相色谱-紫外检测器测定.结果 该方法在0.0～100.0μg/ml范围内呈线性关系,回归方程为y=22 863x+10 665,相关系数r=0.999 9;检出限为0.005 μg/ml,最低检出浓度为1.7×10-3mg/m3(采样体积以3.0L计),平均加标回收率为96.2％～101.3％,精密度批内为2.31％～2.99％,批问为3.21％～4.55％,平均解吸效率为97.6％,穿透容量大于8.12 mg,采样效率为100％,样品在室温下至少可保存7 d. 结论 该方法各项指标均符合GBZ/T 210.4-2008《工作场所空气中化学物质测定方法》的要求,适用于工作场所空气中N-异丙基苯胺的检测.
目的 建立工作場所空氣中 N-異丙基苯胺測定的高效液相色譜方法.方法 採用硅膠管吸附空氣中的N-異丙基苯胺,乙腈解吸,高效液相色譜-紫外檢測器測定.結果 該方法在0.0～100.0μg/ml範圍內呈線性關繫,迴歸方程為y=22 863x+10 665,相關繫數r=0.999 9;檢齣限為0.005 μg/ml,最低檢齣濃度為1.7×10-3mg/m3(採樣體積以3.0L計),平均加標迴收率為96.2％～101.3％,精密度批內為2.31％～2.99％,批問為3.21％～4.55％,平均解吸效率為97.6％,穿透容量大于8.12 mg,採樣效率為100％,樣品在室溫下至少可保存7 d. 結論 該方法各項指標均符閤GBZ/T 210.4-2008《工作場所空氣中化學物質測定方法》的要求,適用于工作場所空氣中N-異丙基苯胺的檢測.
목적 건립공작장소공기중 N-이병기분알측정적고효액상색보방법.방법 채용규효관흡부공기중적N-이병기분알,을정해흡,고효액상색보-자외검측기측정.결과 해방법재0.0～100.0μg/ml범위내정선성관계,회귀방정위y=22 863x+10 665,상관계수r=0.999 9;검출한위0.005 μg/ml,최저검출농도위1.7×10-3mg/m3(채양체적이3.0L계),평균가표회수솔위96.2％～101.3％,정밀도비내위2.31％～2.99％,비문위3.21％～4.55％,평균해흡효솔위97.6％,천투용량대우8.12 mg,채양효솔위100％,양품재실온하지소가보존7 d. 결론 해방법각항지표균부합GBZ/T 210.4-2008《공작장소공기중화학물질측정방법》적요구,괄용우공작장소공기중N-이병기분알적검측.
Objective To establish the method of high-performance liquid chromatography (HPLC) for the determination of N-isopropylaniline in workplace air.Methods N-isopropylaniline in the air was collected by silicone tube.and was then dissolved by acetonitrile and determined by HPLC-UV detector.Results There was a linear relationship within the range of 0.0～100.0 μg/ml with the method,and the regression equation was y=22 863x+ 10 665 (r=0.999 9);the detection limit was 0.005 μg/ml,and the minimum detectable concentration was 1.7×10-3 mg/m3 (3.0 L sampling volume);the average recoveries of standard addition were 96.2％～101.3％.The within-run precision was 2.31％～2.99％,and the between-run precision was 3.21％～4.55％.The average desorption efficiency was 97.6％,the breakthrough volume was more than 8.12 mg,the sampling efficiency was 100％,and the samples could be stored for at least 7 days at room temperature.Conclusion The indicators of the method all meet the requirements of GBZ/T 210.4-2008 (Determination methods of air chemicals in workplace),and can be used for the determination of N-isopropylaniline in workplace air.
