欢迎来到天天文库
浏览记录
ID:52362101
大小:246.59 KB
页数:5页
时间:2020-03-26
《气相色谱法测定胶粘剂中丙酮、正己烷、苯、甲苯、二甲苯含量.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第1O期化学世界·585·气相色谱法测定胶粘剂中丙酮、正己烷、苯、甲苯、___一甲苯含量孟斐(上海市质量监督检验技术研究院,上海200233)摘要:用Agilent7890气相色谱仪,FID检测器,DB一130160m×0.32mmX0.25毛细管色谱柱,以乙酸乙酯为溶剂。外标法测定胶粘剂中丙酮、正己烷、苯、甲苯、二甲苯含量,丙酮的线性相关系数为0.9997,平均回收率100.26,样品测定的标准偏差0.17O,相对标准偏差为2.6;正己烷的线性相关系数为0.9998,平均回收率99.80,样品测定的标准偏差0.038,相对标准偏为2.0;苯的线性相关系数为0.9999,平均回收率9
2、8.3O,样品测定的标准偏差0.043,相对标准偏差为2.3%;甲苯的线性相关系数为0.9999,平均回收率101.94,样品测定的标准偏差0.070,相对标准偏差为2.2;间对二甲苯的线性相关系数为0.9999,平均回收率97.97,样品测定的标准偏差0.075,相对标准偏差为3.1;邻二甲苯的线性相关系数为1.0000,平均回收率97.2O,样品测定的标准偏差0.046,相对标准偏差为2.1。关键词:胶粘剂;丙酮;正己烷;苯;甲苯、二甲苯;气相色谱中图分类号:0657.7文献标志码:A文章编号:0367-6358(2013)10-0585-04AnalysisofAcetone,
3、一hexane,Benzene,MethylbenzeneandDimethylbenzeneinAdhesivesbyGasChromatographyMENGFei(ShanghaiInstituteofQualityInspectionandTechnicalResearch,Shanghai200233,China)Abstract:Amethodwasestablishedforanalyzingacetone,n—hexane,benzene,methylbenzene,dimethyl—benzeneinadhesivesbyGCusingAgilent7890gasc
4、hromatograph。FIDdetectorand60m×0.32mm×0.25uDB_1301capillarypackedcolurnnwithaceticetherassolvent.Thequantitativeanalysisofacetone,一hexane,benzene,methylbenzeneanddimethylbenzeneinadhesiveswascarriedoutusingexternalstand—ardmethod.Theacetonelinearitycorrelationcoefficientwas0.9997,theaveragereco
5、verywas100.26,thestandarddeviationwas0.170。andtherelativestandarddeviationwas2.6.The7z—hexanelinearitycorrelationcoefficientwas0.9998,theaveragerecoverywas98.30,thestandarddeviationwas0.038,andtherelativestandarddeviationwas2.0.Thebenzenelinearitycorrelationcoefficientwas0.9999,theaveragerecove
6、rywas98.30%,thestandarddeviationwas0.043,andtherelativestandarddeviationwas2.3.Themethylbenzenelinearitycorrelationcoefficientwas0.9999,theaveragerecoverywas101.94,thestandarddeviationwas0.070,andtherelativestandarddeviationwas2.2.Themethyl-benzene1inearitycorrelationcoefficientwas0.9999,theave
7、ragerecoverywas101.94,thestandarddevi—ationwas0.070。andtherelativestandarddeviationwas2.2.Them—xylene1inearitycorrelationeoeffi—cientwas0.9999,theaveragerecoverywas97.97,thestandarddeviationwas0.075,andtherelativestandarddeviation
此文档下载收益归作者所有