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Determinationofthecontentofheavysubstancesinbutene-hydrationtechnicwaterbyspectrophotometryLiBin1,2,ZhaoYanlong2,SuFangyun2(1.LanzhouUniversity,Lanzhou730000,China;2.LanzhouPetrochemicalCo.,Lanzhou730060,China)1,2,2,2(1.,730000;2.,730060)[]。,400nmC=1.16208A+0.0011,0.9996。,,,。[];;;[]O657.32[]A[]1005-829X(2010)01-0063-02Abstract:Ananalyticalmethodhasbeensetuptodeterminethecontentofheavysubstancesinbutene-hydrationtechnicwaterbyusingspectrophotometer.Withreferentsolutionofdistilledwater,alinearfittingequationofthecontentofheavysubstancesandabsorbanceisobtainedatwavelength400nm,C=1.16208A+0.0011,R=0.9996.ThismethodcouldmeettherequirementsofMEKdevicesbecauseofitssimpleandquickoperation,highaccuracyandlowdetectionlimit.Keywords:spectrophotometry;butene-hydration;contentofheavysubstances;gravimetricmethod30kt/a“—MEK”,〔1〕。,,,,0.5MPa,,〔2〕。,(),,〔3〕。,,、、。,,。,,、(145~175℃,6.0~8.0MPa〔2,4〕)。,1,3-、、,〔5-6〕,。,,、、〔7〕,,。1。,()30120101IndustrialWaterTreatmentVol.30No.1Jan.,201063——2010-01,30(1)(hf)(ΔE=E2-E1=hf),()〔8〕。()。,ACL,A=KCL,,A,、。2,200~750nm1。1。1,198nm,,,。,、,。,,;1,。,400nm。33.1722S();TU1900();();()。3.2(1):1000mL,,100℃,1g,。(2):,200mL1000mL,,。3.3400nm,1cm,,,,2。2,:C=1.16208A+0.0011:C———,mg/L;A———400nm。R≥0.9996。3.4,,,:(1)。,,400nm,。(2)。1000mL,,100℃,,。2。2,1/nm4504002301980.0930.1190.8542.304(76)210.0660.077800.077220.0670.078960.079230.0670.078960.0786/(g·L-1)64——2010-01,30(1)、5。6,、,;、、。。5、/241.8150,、,,,,,10a,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,(64),、,30%~40%,1000~10000,、(5~40)∶(1~15)∶(1~15),、2--2--1-、2-,,、、,,,,,。———.CN1011863974··,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,。4(1)。400nm,,,,C=1.16208A+0.0011,0.9996。(2),,。(3),,,,。[][1].[J].,2006,24(4):293-296.[2],,.[J].,2006,20(2):21-24.[3],,.[J].,2008,22(4):37-41.[4].、[J].,2003,32(2):153-155.[5].[J].,2008,37(3):181-183.[6],,.[J].,2004,10(4):231-233.[7].[J].:,2007,21(1):65-69.[8].[M].:,2008:17-22.[](1983—),2005,,。:13919448397,E-mail:samzlee@yahoo.com.cn。[]2009-09-13()[](1973—),1994,,。:13986259272,E-mail:yuqin_1973@tom.com。[]2009-09-17()76——
本文标题:分光光度法测定丁烯水合工艺水的重质物含量李彬
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