%PDF-1.7 %ÈÈÈÈÈÈ?1 0 obj <> endobj 2 0 obj <>/Metadata 117 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 /FAAABD 22 Tf 1 0 0 -1 0 23.67700005 Tm 0 g [( )] TJ ET EMC /P <> BDC BT 1 0 0 -1 66 23.67700005 Tm [(EDTA)] TJ ET EMC /P <> BDC BT /FAAABH 22 Tf 1 0 0 -1 120.32299805 23.67700005 Tm 2 Tr 0.62857145 w 0 G [<0003>-4<0004>] TJ ET EMC /P <> BDC BT /FAAABD 22 Tf 1 0 0 -1 164.49899292 23.67700005 Tm 0 Tr [(\(2)1(%,pH7)1(.)-1(0)1(,)] TJ ET EMC /P <> BDC BT /FAAABH 22 Tf 1 0 0 -1 263.7460022 23.67700005 Tm 2 Tr [<0005>-4<0006>] TJ ET EMC /P <> BDC BT /FAAABD 22 Tf 1 0 0 -1 307.92199707 23.67700005 Tm 0 Tr [(\))] TJ ET EMC /P <> BDC BT /FAAABH 22 Tf 1 0 0 -1 314.77600098 23.67700005 Tm 2 Tr [<0007>-4<0008>-4<0009>] TJ ET EMC /P <> BDC BT /FAAABD 16 Tf 1 0 0 -1 381.04000854 23.67700005 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC q 1 0 0 1 69.80000305 31.20000076 cm /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 0 11.38799953 Tm /GS2 gs 0 g [( )-1( )] TJ ET EMC /P <> BDC BT 1 0 0 -1 42 11.38799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 69.80000305 46.79999924 cm /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [( )] TJ ET EMC /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 31.5 11.65499973 Tm 2 Tr 0.30000001 w [<000A>-4<000B>-4<000C>-4<000D>-4<000E>-4<000F>-3<0010>-4<0011>-4<0012>-4<0013>-4<0014>-4<0015>-4<0016>-4<0017>-4<0014>-4<0018>-3<0019>-4<001A>-4<001B>-4<001C>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 242.33999634 11.65499973 Tm 0 Tr /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 62.40000153 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 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 /FAAABH 10.5 Tf 1 0 0 -1 0 11.65499973 Tm 2 Tr /GS2 gs 0 g 0.30000001 w [<000B>-4<000C>-4<001D>-4<001E>-4<001F>] 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 0 109.19999695 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [(ED)-1(TA)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 25.40399933 11.65499973 Tm [<00030004>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 46.40399933 11.65499973 Tm [(\(2%,)1(p)-1(H7.0,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 93.00800323 11.65499973 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 114.00800323 11.65499973 Tm [(\))] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 117.19200134 11.65499973 Tm [<00200014>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 140.81700134 11.65499973 Tm [(ED)-1(TA)1(.)] TJ ET EMC /P <> BDC BT 1 0 0 -1 166.24699402 11.65499973 Tm [(2N)1(a)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 186.00100708 11.65499973 Tm [<00210022>] TJ ET EMC /P <> BDC BT 1 0 0 -1 207.00100708 11.65499973 Tm [<0015>] TJ ET EMC /P <> BDC BT 1 0 0 -1 216.35800171 11.65499973 Tm [<0023>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 229.48300171 11.65499973 Tm [(pH)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 244.16700745 11.65499973 Tm [<0024>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 257.29199219 11.65499973 Tm [(7.0)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 270.58599854 11.65499973 Tm [<0025>] TJ ET EMC /P <> BDC BT 1 0 0 -1 279.94299316 11.65499973 Tm [<00260027002800290006002A002B>] TJ ET EMC /P <> BDC BT 1 0 0 -1 353.44299316 11.65499973 Tm [<0015>] TJ ET EMC /P <> BDC BT 1 0 0 -1 362.79998779 11.65499973 Tm [<00140018002C002D002E>] TJ ET EMC /P <> BDC BT 1 0 0 -1 0 27.25500107 Tm [<002F003000310032001500200033001400340031003500360037003800390025>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 168 27.25500107 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 140.3999939 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 0 156 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 [<000B>-4<000C>-4<003A>-4<003B>-4<001F>] 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 0 171.6000061 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 187.19999695 cm q 0.25 0.5 m 126.55000305 0.5 l 126.55000305 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 10.5 Tf 1 0 0 -1 37 15.55500031 Tm /GS2 gs 0 g [<000B000C003C003D>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 79 15.28800011 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 126.80000305 0 cm 0.25 0.5 m 78.5 0.5 l 78.5 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 10.5 Tf 1 0 0 -1 23.47500038 15.55500031 Tm /GS2 gs 0 g [<003E003F>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 44.47499847 15.28800011 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 /FAAACB 10.5 Tf 1 0 0 -1 11.85000038 15.55500031 Tm /GS2 gs 0 g [<0040004100420043>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 53.84999847 15.28800011 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 /FAAACB 10.5 Tf 1 0 0 -1 4.69999981 15.55500031 Tm /GS2 gs 0 g [<000700080009>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 36.20000076 15.55500031 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 0 23.89999962 cm q 0.25 0.5 m 126.55000305 0.5 l 126.55000305 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 10.5 Tf 1 0 0 -1 0 15.28800011 Tm /GS2 gs 0 g [(ED)-1(TA)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 25.40399933 15.55500031 Tm [<00030004>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 46.40399933 15.28800011 Tm [(\(2%,)1(p)-1(H7.0,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 93.00800323 15.55500031 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 114.00800323 15.28800011 Tm [(\))] TJ ET EMC /P <> BDC BT 1 0 0 -1 117.19200134 15.28800011 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 126.80000305 0 cm 0.25 0.5 m 78.5 0.5 l 78.5 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 10.5 Tf 1 0 0 -1 5.0999999 15.55500031 Tm /GS2 gs 0 g [(500ml/100ml)] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 62.84999847 15.28800011 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 10.5 Tf 1 0 0 -1 24.97500038 15.55500031 Tm /GS2 gs 0 g [(4)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 30.22500038 15.55500031 Tm [<004B>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 40.72499847 15.28800011 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 10.5 Tf 1 0 0 -1 11.22599983 15.55500031 Tm /GS2 gs 0 g [(1)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 19.17300034 15.55500031 Tm [<004C>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 29.67300034 15.55500031 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 126.80000305 0.5 m 126.80000305 23.89999962 l S Q q 0.5 w 126.80000305 24.39999962 m 126.80000305 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 0 235.5 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 0 251.1000061 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 [<004D>-4<004E>-4<004F>-4<0050>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 42.16799927 11.65499973 Tm 0 Tr [(\()] TJ ET EMC /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 45.43899918 11.65499973 Tm 2 Tr [<000D>-4<000E>-4<0051>-4<0052>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 87.60700226 11.65499973 Tm 0 Tr [(\))] TJ ET EMC /P <> BDC BT /FAAABH 10.5 Tf 1 0 0 -1 90.87799835 11.65499973 Tm 2 Tr [<001F>] 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 0 266.70001221 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 [<00530054005500560057000F00580059004D004E0025>] 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 0 282.29998779 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 0 297.8999939 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 [<005A>-4<005B>-4<005C>-4<005D>-4<001F>] 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 0 313.5 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 [<0053005500560058005900050006005E0015005F005A005B00050006004D004E0025>] TJ ET EMC /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 183.82200623 11.65499973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q q 1 0 0 1 0 329.1000061 cm /P <> BDC BT /FAAAAI 10.5 Tf 1 0 0 -1 0 11.65499973 Tm /GS2 gs 0 g [(2)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 5.32200003 11.65499973 Tm [<005300600061006200630064006500660067006800150069006A00550056006B006C006D006E006F007000710072004D004E0025>] 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 0 344.70001221 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 0 360.29998779 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 [<0073>-4<0074>-4<000B>-4<000C>-4<001F>] 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 0 375.8999939 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 391.5 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<00750076007700030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 52.5 13.70499992 Tm [(\(7.5mol_L,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 105 13.70499992 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 126 13.70499992 Tm [(\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 131.25 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q q 1 0 0 1 0 20.20000076 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<00750076007700030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 52.5 13.70499992 Tm [(\(5mol_L,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 94.5 13.70499992 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 115.5 13.70499992 Tm [(\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 120.75 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 40.40000153 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<00750076007700030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 52.5 13.70499992 Tm [(\(1mol_L,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 94.5 13.70499992 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 115.5 13.70499992 Tm [(\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 120.75 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 60.59999847 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<00750076007700030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 52.5 13.70499992 Tm [(\(10mol_L,)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 99.75 13.70499992 Tm [<00050006>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 120.75 13.70499992 Tm [(\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 126 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 80.80000305 cm q 0.25 0.5 m 338.75 0.5 l 338.75 21.60000038 l 0.25 21.60000038 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 14.40499973 Tm /GS2 gs 0 g [<00750076>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 21 14.40499973 Tm [(-EDTA)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 49.875 14.40499973 Tm [<008400850004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 81.375 14.40499973 Tm [(\(pH5.5\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 118.125 14.13799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 102.40000153 cm q 0.25 0.5 m 338.75 0.5 l 338.75 22.10000038 l 0.25 22.10000038 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 14.65499973 Tm /GS2 gs 0 g [<0005000600880089008A>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 52.5 14.38799953 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 124.5 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<008B008C008D008E002D0039>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 63 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 144.69999695 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<008F0090>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 23.625 13.70499992 Tm [(MES)] TJ ET EMC /P <> BDC BT /FAAACB 10.5 Tf 1 0 0 -1 42 13.70499992 Tm [<00030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 13.70499992 Tm [(\(0.1mol_L\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 115.5 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 164.8999939 cm q 0.25 0.5 m 338.75 0.5 l 338.75 20.20000076 l 0.25 20.20000076 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 13.70499992 Tm /GS2 gs 0 g [<0093009400950096008C008D000300950039>] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 94.5 13.43799973 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 1 0 0 1 0 185.1000061 cm q 0.25 0.5 m 338.75 0.5 l 338.75 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 [<009700760098009900030004>] TJ ET EMC /P <> BDC BT /FAAACF 10.5 Tf 1 0 0 -1 63 14.55500031 Tm [(\(1mol_L,pH8.3-9.0\))] TJ ET EMC /P <> BDC BT /FAAABD 10.5 Tf 1 0 0 -1 157.5 14.28800011 Tm /GS1 gs 0 g [( )] TJ ET EMC Q Q Q q 0.5 w 0 0.5 m 0 206.99998474 l S Q q 0.5 w 339 0.5 m 339 206.99998474 l S Q q 0.5 w -0.25 0.25 m 339.25 0.25 l S Q q 0.5 w 0.25 20.45000076 m 338.75 20.45000076 l S Q q 0.5 w 0.25 40.65000153 m 338.75 40.65000153 l S Q q 0.5 w 0.25 60.85000229 m 338.75 60.85000229 l S Q q 0.5 w 0.25 81.05000305 m 338.75 81.05000305 l S Q q 0.5 w 0.25 102.65000153 m 338.75 102.65000153 l S Q q 0.5 w 0.25 124.75 m 338.75 124.75 l S Q q 0.5 w 0.25 144.94999695 m 338.75 144.94999695 l S Q q 0.5 w 0.25 165.1499939 m 338.75 165.1499939 l S Q q 0.5 w 0.25 185.34999084 m 338.75 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