1、 D1293-18 STANDARD TEST METHODS FOR PH OF WATER 2018 ():21.08.2018:3523-18/ASTM Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.-,.9,119049.:(4
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5、erved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 1 D1293-18 pH 1 D1293;,.().1.1.1 pH .8-15 16-24 1.2 pH ,.1.3 1 ASTM D19 ,D19.03 ,.15 2018.2018.1953.2011.D1293-11.DOI:
6、10.1520/D1293-18.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 2 .,.,.D6569,.1.4 ,().2 1.5 ,5/.D5128 D5464.1.6 .1.7,.,.1.8 ,.,.
7、2 :Wu Koch,NBS 260-53,1988.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 3 1.9 -,(TBT).2.2.1 ASTM:3 D1066 D1067 D1129 D1193 D27
8、77 ,D19 D3370 D5128 D5464 D6569 pH E70 3 ASTM,ASTM www.astm.org ASTM serviceastm.org.ASTM.Document Summary ASTM.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproduc
9、tions authorized.ASTM D1293-18 4 3.3.1:3.1.1 ,.D1129.3.2 ,:3.2.1 pH .3.2.1.1 pH E,(),:|(),Es ,.Es,:4 :F-,R-,T-,t(C)+273,15.F/2,3026 RT .1.4 .,pH:,2-.,1973,.29.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pu
10、rsuant to License Agreement.No further reproductions authorized.ASTM D1293-18 5 1.,0 54,20 5 55,19 10 56,18 15 57,17 20 58,17 25 59,16 30 60,15 35 61,14 40 62,13 45 63,13 50 64,12 55 65,11 60 66,10 65 67,09 70 68,09 75 69,08 80 70,07 85 71,06 90 72,05 95 73,05 4.4.1 pH-,.5.5.1 pH ,.,2 Copyright by A
11、STM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 6 .25C pH=7,0 ,.5 ,5,5,6 9.6.6.1 ,.,.6 ,.6.2 ,D1193,I.7.7.1 D1066 5 ,(.,D1067).,0,1 M HCl 0,1 M
12、 ,HCl ,(1 3).6 ,DC.,.,BDH Ltd.,Poole,Dorset,U.K.,U.S.Pharmacopeial Convention,Inc.(USPC),MD.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.AST
13、M D1293-18 7 D3370,.8.8.1 .9.9.1 ,.9.2 ,10 12.1.3.9.3 .,.,.,.,.Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 8 1.2.9.4 /.,1 .X1
14、.5.1.,1,.9.5 ,.1.4.10.10.1 -,().,0,01 pH(.14).10.2 ,12.1-12.6.,.10.3 Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 9 ,-./(),/.-
15、.,.,.,.,.,12.1 12.6.X1.3.10.4 ,Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 10 .pH .,.,-.11.11.1 .2.(SRM)NIST,NIST ,SRM,SRM .S
16、RM NIST.,11.1.1-11.1.7 ,NIST.SRM NIST,SRM.3 ,(NIST).NIST.,NIST.9,5 .Copyright by ASTM Intl(all rights reserved);Tue Oct 22 08:07:11 EDT 2019Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized.ASTM D1293-18 11,().11.1.1 (pHs=9,18 25C)NIST,.,3,80 (Na2B4O710H2O)1.2.pHs A-,0 1,67.4,00 6,98 9,46 10,32 13,42 5 1,67.4,00 6,95 9,39 10,25 13,21 10 1,67.4,00 6,92 9,33 10,18 13,00 15 1,67.4,00 6,90 9,28 10,12 12,81 20 1,68.4,0
