简介:Thesolid-phasemicroextraction(SPME)combinedwithgaschromatography/massspectrometry(GC/MS)wasusedtodetermineandanalyzeorganicpollutantsincokingwastewater.Basedonthefactthatthemaincompoundsinthewastewaterwereorganics,somekeyparametersoftheSPMEwereoptimized.Themethodhasgoodlinearity(itscorrelationcoefficients>0.99)intherangedetermined,itsrelativestandarddeviations(RSD)arelessthan15%,anditsrecoveryisfrom87.9%to128.1%withthelowestquantificationlimitof5μg/L.Thismethodhasbeenusedtomeasure15organicpollutantsinwastewaterfromacertaincokingplant.Theresultsshowthatcomparedwiththeconventionalmethod,itcansaveanhourinpretreatmenttime.Itisafast,low-cost,accurate,simpleandefficientanalyticalmethodindeed.
简介:本文主要讨论了酒钢储运质量检验过程管理系统与集团公司ERP系统接口的两种实现方法。