1、 56347 2015 2015 563472015 II 1 -(),4 2 160 3 10 2015.74-4 737508 -(ASTM D 737508 Standard test method for trace quantities of water in aro-matic hydrocarbons and their mixtures by coulometric Karl Fischer titration).-1.52012(3.5).-,5 1.02012(8).(1 ),-.()-.,(gost.ru),2015 ,-563472015 1 Aromatic hydr
2、ocarbons and their mixtures.Determination of trace quantities of water by coulometric Karl Fischer titration 20160101 1 1.1 -,-(KF).1.2 10 400/.1.3 -E 29.1.4 .(/).1.5 -,.-.8.2 .2.1 1)1193 (ASTMD 1193,Specification for reagent water)3437 (ASTM D 3437,Practice for sampling and handling liquid cyclic p
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4、 Karl Fischer titration)2.2 OSHA,29 (),1910 1910.1200(OSHA Regulations,29 CFR paragraphs 1910 and 1910.1200)2)1)ACTM ATM www.astm.org -ATM:serviceastm.org.(Annual Book of ASTM Standards).2),732.-,NW,:732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:www.access.gpo.gov.563472015 2 3 3.1 -,H
5、2O+I2+SO2+CH3OH+3RN (RNH)SO4CH3+2(RNH)I,(1)RN .3.2 ,-.4 4.1 -,.4.2 ,.4.3 ,.5 5.1 (KF).,-,.5.2 KF ,-.5.3 KF E203 -3).6 6.1 ,-,.6.1.1 -,().-,.,.-,.,-.,-,.6.1.2 -(),.,.-,-.,-,-.6.2 5 10 3.6.3 10.6.4 .3)Mitchell,J.Jr.and Smith,D.M.,Aqua me try A treatise on Methods for the Determination of Water,Part II
6、IThe Karl Fischer Reagent,2nded.,J.Wiley and Sons,Inc.,New York,NY,1977.563472015 3 6.5 ,110.6.6 .6.7 ,0,0001.7 7.1 .,-4),.,.7.2 ,II 1193.7.3 ,-.7.4 ,-.7.5 ,.7.6 .7.7 4A,48.7.8 1 3 4A,48 2 ,-.-2 -.7.9 (QA)QA .QA -11.-QA .8 8.1 ,-.9 9.1 3437.,.9.2 -.4)Reagent Chemicals,American chemical society speci
7、fications,American chemical society,Washington,D.C.(.,).,.Annular Standards for laboratory chemicals,BDH Ltd.,Poole,Dorset,U.K.(),-the United States pharmacopeia and national formulary,U.S.Pharmacopeia Convention,Inc.(USPC),Rockville,MD.().563472015 4 9.3 12 110.-.9.4 ,.-.9.5 KF ,-12.5.9.6 ,-,-.10 1
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