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X1212(1,,400044;2),;,k:k=ab(1+b)-1k=ab4(1+b4)-1.;;O657.11;X830.20,;,,,,,,[1],(2gdm-3);,340,,,,,,1NaCl(),DDS211,U451m-1,[1][2]19993()Vol.22222JournalofChongqingUniversity(NaturalScienceEdition)Mar.1999X1998204207:,1963,(:96061109),NaCl,,,2,gdm-3,mSm-1Sm-1211Kohlrausch,,:=m-Ac(1),m;c;Ac:m=/c,c,(1):/=B-A(2)(2)[1]12,(-0.9552-0.9819):NaCl:/=190.014-29.228(3)NaClMgSO4:/=149.267-26.164(4)[1],1NaClMgSO41[1][1]23(4)42341NaCl(),(3)3.43%,3%[1]11.46%11,2gdm-1(2)3%,[1]1NaClMgSO4mSm-1/gdm-30.0500.1000.2500.5000.7501.0002.00017.3014.0034.0065.5094.00120.00230.00[1]26.4812.9732.4264.8497.26129.70259.40/%11.207.374.651.01-3.46-8.07-12.803-13.0132.5365.0597.58130.10-/%-7.064.330.68-3.81-8.42-(4)47.1714.1034.0465.3894.96123.10224.50/%1.77-0.71-0.140.18-1.02-2.582.38721222:[2]NaCl0.0029225.8443gdm-3(2)r-0.9959,0.62%;29.221gdm-3,r-0.9850,-7.03%1,NaCl10gdm-3,(2)(2),(2),Newton()12121dm340280gNaCl()()211,,1Langmuir,Langmuir,:=ab1+b(5)ab(5):=1ab+a(6)(6)2,3,()2NaClNaCl/gdm-3/Sm-1/gdm-3/Sm-1/gdm-3/Sm-139.665.41239.665.32239.885.18679.869.92279.829.69679.669.246120.0413.530120.0013.755120.0612.402160.0716.236160.0616.462160.1914.883200.2818.717200.3018.266200.3017.138239.8220.295239.8320.070239.7418.491279.7121.197297.7121.197279.7920.746821()19993/%/%NaCl/=6.126+0.02460.99470.013.500.323/=6.195+0.024010.99210.034.260.400/=6.696+0.025080.99780.042.090.2133,/,(5)(5):=ab(1-/a),.,(5)KClAgNO3NaClNa2CO3,([2],)213[2]4NaCl200320gdm-3,(6)2550,(0.997840.99724):25/=4.0479+0.02769(7)50/=2.4621+0.01857(8)25(7)41,(5)NaCl4NaCl(25)Sm-1/gdm-3200225250275300320[2]20.7021.8822.8823.8124.3324.57(7)/%20.8621.8922.7823.5824.2824.78-0.76-0.030.430.980.22-0.88(10)/%20.3021.9923.0923.8124.2924.561.93-0.50-0.91-0.010.15-0.02(5),,bm1,:a;(7)(6):b=6.84210-3dmg-1,(b)max2.19,(5)a,,,(5):=a1b141+b14(9)b14m1,a114(9),(0.999970.99991):921222:254/=16153110+0.039174(10)504/=10268890+0.025464(11)(10)41,(9),25a1=25.53Sm-1,25NaCl25.53Sm-1,[2]25.13Sm-1-1.59%,(9),31),:/=B-A;2):=ab(1+b)-1;:=a1b14(1+b14)-1,a1;3),1,11,1996,12(5):262,11:,1985.472529RelationBetweenConcentrationofSaltinAqueousSolutionandItsConductivityLiuChenglunXuLongjunXianXiaohongXianXuefu(CollegeofEnvironment,ChemistryandChemicalEng.,ChongqingUniversity)ABSTRACTInthispaper,therelationbetweenconcentrationofsaltinaqueoussolution()anditsconductivity()hasbeenstudiedwithconductionmethod.Theresultsshowthattheofsaltsolutionisdirectlytosquarerootofitsinlowerconcentration,andrelationbetweenandisfol2lowing:=ab(1+b)-1or=a1b14(1+b14)-1inhigherconcentration.Theconcentrationofsaltcanbedeterminedveryfastbyusingthemethodofthispaper.KEYWORDSconductivity;concentrationofsaltsolution;regressionanalysis()031()1999