%PDF-1.7 %ÈÈÈÈÈÈ?1 0 obj <> endobj 2 0 obj <>/Metadata 140 0 R>> endobj 3 0 obj <> endobj 4 0 obj <>/ExtGState<>/XObject<>>>/Group<>/StructParents 0/Tabs/S>> endobj 5 0 obj <>stream 1 0 0 -1 0 841.90002441 cm q 1 g 0 0 m 600 0 l 600 450 l 0 450 l h f* Q q 1 0 0 1 0 450 cm q 1 g 0 0 m 600 0 l 600 450 l 0 450 l h f* Q Q q 1 0 0 1 65.65000153 94.18599701 cm q 474.8500061 0 0 -20.79999924 0 20.79999924 cm /X1 Do Q Q /Artifact <> BDC q 1 0 0 1 90 42.54999924 cm -90 0 m 505.29998779 0 l 505.29998779 87.3690033 l -90 87.3690033 l h W n BT /FAAAAI 9 Tf 1 0 0 -1 0 9.56900024 Tm 0 g [( )-1( )-1( )-1( )] TJ /GS1 gs 0 g [-11231( )] TJ ET q 1 0 0 1 0 11.98600006 cm BT 1 0 0 -1 0 41.42499924 Tm /GS2 gs 0 g [( )-1( )-1( )-1( )-1( )] TJ 1 0 0 -1 413.36099243 41.42499924 Tm /GS1 gs 0 g [( )] TJ ET Q q 1 0 0 1 0 53.4109993 cm BT 1 0 0 -1 0 8.56900024 Tm /GS2 gs 0 g [( )-1( )-1( )] TJ /GS1 gs 0 g [-9040( )] TJ ET Q q 1 0 0 1 0 64.39700317 cm BT 1 0 0 -1 0 8.56900024 Tm [( )] TJ ET Q q 1 0 0 1 0 75.38300323 cm BT 1 0 0 -1 0 8.56900024 Tm /GS2 gs 0 g [( )] TJ /FAAABD 9 Tf [-548( )] TJ ET Q Q EMC q 1 0 0 1 90 54.5359993 cm q 1 0 0 1 225 -0.00000076 cm q 188.3614502 0 0 -41.42535019 0 41.42535019 cm /X2 Do Q Q Q q 1 0 0 1 90 129.91900635 cm /P <> BDC BT /FAAABH 22 Tf 1 0 0 -1 76.76200104 23.67700005 Tm 2 Tr 0 g 0.62857145 w 0 G [<0003>-4<0004>-4<0003>-4<0005>-4<0006>-4<0007>-3<0008>] TJ ET EMC /P <> BDC BT /FAAABD 22 Tf 1 0 0 -1 231.37800598 23.67700005 Tm 0 Tr [(\(5)1(%\))] TJ ET EMC /P <> BDC BT /FAAABH 22 Tf 1 0 0 -1 272.27398682 23.67700005 Tm 2 Tr [<0009>-4<000A>-4<000B>] TJ ET EMC /P <> BDC BT /FAAABD 22 Tf 1 0 0 -1 338.53799438 23.67700005 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC q 1 0 0 1 0 31.20000076 cm /P <> BDC BT 1 0 0 -1 207.6499939 23.11899948 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 62.40000153 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 102.23000336 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<000C>-4<000D>-4<000E>-4<000F>-4<0010>-4<0011>-3<0012>-4<0013>-4<0014>-4<0015>-4<0016>-4<0017>-4<0018>-4<0019>-4<0016>-4<001A>-3<001B>-4<001C>-4<001D>-4<001E>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 313.07000732 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 78 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 93.59999847 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 109.19999695 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 124.80000305 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<000D>-4<000E>-4<001F>-4<0020>-4<0021>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 52.70999908 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 140.3999939 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [<0003>-17<0004>-17<0003>-18<0005>-17<0006>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 53.40499878 11.65499973 Tm [(\(S)-1(odi)-1(umthi)-1(osu)-1(lf)-1(at)1(e\))] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 138.13499451 11.65499973 Tm [<0022>-17<0023>-17<0024>-18<0025>-17<0026>-17<0027>-17<0028>-18<0029>-17<0027>-17<002A>-17<002B>-18<0003>-17<0005>-17<0006>-17<0017>] TJ ET EMC /P <> BDC BT 1 0 0 -1 298.3500061 11.65499973 Tm [<002C>-17<002D>-17<002E>-18<002F>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 343.69900513 11.65499973 Tm [(Na2)1(S)-1(2O3)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 383.4289856 11.65499973 Tm [<0017>-17<002C>-17<002D>] TJ ET EMC /P <> BDC BT 1 0 0 -1 0 27.25500107 Tm [<0030002F>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 23.625 27.25500107 Tm [(158.1)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 47.56299973 27.25500107 Tm [<0017>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 57.625 27.25500107 Tm [(CAS)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 76.74900055 27.25500107 Tm [<0031002F>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 100.37400055 27.25500107 Tm [(7772)1(-98-7)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 144.05599976 27.25500107 Tm [<0017>] TJ ET EMC /P <> BDC BT 1 0 0 -1 154.11799622 27.25500107 Tm [<003200160033003400350036>] TJ ET EMC /P <> BDC BT 1 0 0 -1 217.11799622 27.25500107 Tm [<0027>] TJ ET EMC /P <> BDC BT 1 0 0 -1 227.17999268 27.25500107 Tm [<0037003800360039>] TJ ET EMC /P <> BDC BT 1 0 0 -1 269.17999268 27.25500107 Tm [<003A>] TJ ET EMC /P <> BDC BT 1 0 0 -1 279.24200439 27.25500107 Tm [<003B003C0036000F0016001A003D0013003E003F>] TJ ET EMC /P <> BDC BT 1 0 0 -1 384.24200439 27.25500107 Tm [<0017>] TJ ET EMC /P <> BDC BT 1 0 0 -1 394.3039856 27.25500107 Tm [<00180040>] TJ ET EMC /P <> BDC BT 1 0 0 -1 0 42.85499954 Tm [<0016001A001B001C001D001E00410042004300160044003A>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 126 42.85499954 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 187.19999695 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 202.80000305 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<000D>-4<000E>-4<0045>-4<0046>-4<0021>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 52.70999908 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 218.3999939 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 -5.4000001 234 cm q 0.25 0.5 m 122.80000305 0.5 l 122.80000305 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAABH 9 Tf 1 0 0 -1 38.0530014 15.00499916 Tm 2 Tr /GS2 gs 0 g 0.25714287 w [<000D>-4<000E>-4<0047>-4<0023>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 74.1969986 14.77600098 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 123.05000305 0 cm 0.25 0.5 m 82.25 0.5 l 82.25 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAABH 9 Tf 1 0 0 -1 26.81399918 15.00499916 Tm 2 Tr /GS2 gs 0 g 0.25714287 w [<0048>-4<0049>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 44.88600159 14.77600098 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 205.55000305 0 cm 0.25 0.5 m 76.25 0.5 l 76.25 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAABH 9 Tf 1 0 0 -1 14.77799988 15.00499916 Tm 2 Tr /GS2 gs 0 g 0.25714287 w [<004A>-4<004B>-4<004C>-4<004D>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 50.92200089 14.77600098 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 282.04998779 0 cm 0.25 0.5 m 51.45000076 0.5 l 51.45000076 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAABH 9 Tf 1 0 0 -1 6.89599991 15.00500011 Tm 2 Tr /GS2 gs 0 g 0.25714287 w [<0009>-4<000A>-4<000B>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 34.00400162 15.00500011 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 0 23.89999962 cm q 0.25 0.5 m 122.80000305 0.5 l 122.80000305 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 9 Tf 1 0 0 -1 0 15.00499916 Tm /GS2 gs 0 g [<0003000400030005000600070008>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 63 14.77600098 Tm [(\(5%\))] TJ ET EMC /P <> BDC BT 1 0 0 -1 79.45300293 14.77600098 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 123.05000305 0 cm 0.25 0.5 m 82.25 0.5 l 82.25 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACF 9 Tf 1 0 0 -1 24.60000038 15.00499916 Tm /GS2 gs 0 g [(100ml)] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 47.09999847 14.77600098 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 205.55000305 0 cm 0.25 0.5 m 76.25 0.5 l 76.25 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACF 9 Tf 1 0 0 -1 26.10000038 15.00499916 Tm /GS2 gs 0 g [(4)] TJ ET EMC /P <> BDC BT /FAAACB 9 Tf 1 0 0 -1 30.60000038 15.00499916 Tm [<0053>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 39.59999847 14.77600098 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 282.04998779 0 cm 0.25 0.5 m 51.45000076 0.5 l 51.45000076 23.89999962 l 0.25 23.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 12.54399967 15.00500011 Tm /GS2 gs 0 g [(1)] TJ ET EMC /P <> BDC BT /FAAACB 9 Tf 1 0 0 -1 19.3560009 15.00500011 Tm [<0054>] TJ ET EMC /P <> BDC BT /FAAAAI 9 Tf 1 0 0 -1 28.3560009 15.00500011 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 0.5 w 0 0.5 m 0 47.79999924 l S Q q 0.5 w 123.05000305 0.5 m 123.05000305 23.89999962 l S Q q 0.5 w 123.05000305 24.39999962 m 123.05000305 47.79999924 l S Q q 0.5 w 205.55000305 0.5 m 205.55000305 23.89999962 l S Q q 0.5 w 205.55000305 24.39999962 m 205.55000305 47.79999924 l S Q q 0.5 w 282.04998779 0.5 m 282.04998779 23.89999962 l S Q q 0.5 w 282.04998779 24.39999962 m 282.04998779 47.79999924 l S Q q 0.5 w 333.75 0.5 m 333.75 47.79999924 l S Q q 0.5 w -0.25 0.25 m 334 0.25 l S Q q 0.5 w 0.25 24.14999962 m 333.5 24.14999962 l S Q q 0.5 w -0.25 48.04999924 m 334 48.04999924 l S Q Q q 1 0 0 1 0 282.29998779 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC /P <> BDC BT 1 0 0 -1 21 11.38799953 Tm [( )] TJ ET EMC /P <> BDC BT 1 0 0 -1 42 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 297.8999939 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<0055>-4<0033>-4<0056>-4<0057>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 42.16799927 11.65499973 Tm 0 Tr [(\()] TJ ET EMC /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 45.43899918 11.65499973 Tm 2 Tr [<000F>-4<0010>-4<0058>-4<0059>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 87.60700226 11.65499973 Tm 0 Tr [(\))] TJ ET EMC /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 90.87799835 11.65499973 Tm 2 Tr [<0021>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 101.41999817 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 313.5 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [(1)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 5.32200003 11.65499973 Tm [<0027005A005B005C005D0011005E005F00550033003A>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 120.8219986 11.65499973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 329.1000061 cm /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 344.70001221 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<0060>-4<0061>-4<0062>-4<0063>-4<0021>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 52.70999908 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 360.29998779 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [(1)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 5.32200003 11.65499973 Tm [<0027002F006400650066006700680069006A006B0017006C006D005B005C006E006F00700071002A00720073007400550033003A>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 278.32199097 11.65499973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 375.8999939 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 0 391.5 cm /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<0075>-4<0076>-4<000D>-4<000E>-4<0021>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 52.70999908 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 407.1000061 cm /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 0 11.38799953 Tm [( )] TJ ET EMC Q q 1 0 0 1 -5.4000001 422.70001221 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.5mol_L,pH7.5\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 147 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 0 18.60000038 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.5mol_L,pH7.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 147 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 37.20000076 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.5mol_L,pH6.8\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 147 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 55.79999924 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.5mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 74.40000153 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.2mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 93 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.1mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 111.59999847 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.01mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 173.25 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 130.19999695 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050089007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(1mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 157.5 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 148.80000305 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050089007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.5mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 167.3999939 cm q 0.25 0.5 m 337.75 0.5 l 337.75 18.60000038 l 0.25 18.60000038 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 12.90499973 Tm /GS2 gs 0 g [<007700050089007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 12.90499973 Tm [(\(0.2mol_L,pH5.8-8.0\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 12.63799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 186 cm q 0.25 0.5 m 337.75 0.5 l 337.75 21.89999962 l 0.25 21.89999962 l h W n q 1 0 0 1 5.4000001 0.5 cm /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 0 14.55500031 Tm /GS2 gs 0 g [<007700050006007800790008>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 14.55500031 Tm [(\(0.5mol_L,pH7.5\))] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 147 14.28800011 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 0.5 w 0 0.5 m 0 207.90000916 l S Q q 0.5 w 338 0.5 m 338 207.90000916 l S Q q 0.5 w -0.25 0.25 m 338.25 0.25 l S Q q 0.5 w 0.25 18.85000038 m 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