KS I ISO 10390-2005 Soil quality-Determination of pH《土质 pH值的测定》.pdf

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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2005 12 28 KS I ISO 10390 pH KS I ISO 10390: 2005I ISO 10390: 2005 ( ) ( ) KIST ( ) ( ) : : 2001 1 6 : 2005 12 28 2005 1014 : : ( ) ( 02 509 72625) . 7 5 , . ICS 13.080.00 KS pH I ISO 10390: 2005Soil quality Determination of pH 1994 1 ISO 10390 Soil quality

2、 Determination of pH . 1. (pH H2O), 1 mol/L (pH KCl) 0.01 mol/L (pH CaCl2) pH 1: 5(V/V) pH . KS M ISO 11464 (air-dried soil) . 2. . . KS A ISO 5725( ) ( ) KS B ISO 1770 KS M ISO 3696 KS M ISO 11464 3. 5 . 1 mol/L (pH KCl) pH 0.01 mol/L (pH CaCl2) pH pH pH . (shaking ratio) V/V . m/V . (volume, ) . 4

3、. (1) . (1) . 4.1 25 0.2 mS/m , pH 5.6 (KS M ISO 3696 2 ) 4.2 c(KCl) = 1 mol/L 74.5 g (4.1) 20 1 000 mL . 4.3 c(CaCl2) = 0.01 mol/L 2 (CaCl2 2H2O) 1.47 g (4.1) I ISO 10390: 2005 2 20 1 000 mL . 4.4 pH . 4.4.1 20 pH 4.00 (C8H5O4K) 10.21 g (4.1) 20 1 000 mL . 110120 2 . 4.4.2 20 pH 7.00 (KH2PO4) 3.800

4、 g (Na2HPO4) 3.415 g (4.1) 20 1 000 mL . 110120 2 . 4.4.3 20 pH 9.22 10 (Na2B4O7 10H2O) 3.80 g (4.1) 20 1 000 mL . 1. , . 2. 4.4.1, 4.4.2, 4.4.3 . 3. . 5. 5.1 5.2 pH . 5.3 (combined electrode) 1. pH 10 , . 2. pH , . 5.4 1 KS B ISO 1770 C . 5.5 (stopper) 50 mL . 5.6 5.0 mL . 6. 40 2 mm . KS M ISO 114

5、64 . pH . pH . 7. 7.1 7.1.1 (5.6) (laboratory sample) 5 mL (test portion) . 7.1.2 (5.5) 5 (4.1), (4.2) (4.3) . 7.1.3 5 . 2 . 24 . 1. 2 . 2 . I ISO 10390: 2005 3 2. pH 7.1.3 . . pH 2 24 . , pH pH . e) . 7.2 pH 4.4 pH . 30 . 7.3 pH pH . 1 . pH . pH . pH . 1. (swinging needle) pH . 2. 5 pH 0.02 pH pH .

6、 1 , . pH ( pH .) ( ) pH ( KCl CaCl2 .) pH 3. ( , pot ) pH . . pH . 8. pH . 1 pH pH 7.00 0.15 7.00 8.00 0.40 pH (interlaboratory trial) . 9. . I ISO 10390: 2005 4 a) b) c) : pH H2O, pH KCl pH CaCl2d) 0.1 pH e) f) I ISO 10390: 2005 5 () pH 1990 Wageningen . 5 pH 30 . 1 3 . 1 4 . 2 less , . 3 5 3 , 5

7、. r, R KS A ISO 5725 . 1 pHH2O 1 2 3 4 5 (outliers) 30 30 30 30 30 ( ) 60 60 60 60 60 8.066 8.259 5.469 8.086 4.500 (Sr) 0.066 0.071 0.102 0.091 0.078 (%) 0.819 0.854 1.867 1.122 1.735 (r =2.8Sr) 0.185 0.198 0.286 0.254 0.219 (SR) 0.276 0.232 0.182 0.259 0.177 (%) 3.423 2.809 3.327 3.198 3.927 (R =

8、2.8SR) 0.773 0.650 0.509 0.724 0.495 . I ISO 10390: 2005 6 2 pHKCl 1 2 3 4 5 30 30 30 30 30 ( ) - - - - - 60 60 60 60 60 7.487 7.683 4.883 7.506 4.159 (Sr) 0.076 0.054 0.066 0.067 0.056 (%) 1.013 0.706 1.355 0.888 1.343 (r =2.8Sr) 0.212 0.152 0.185 0.187 0.156 (SR) 0.190 0.179 0.129 0.185 0.127 (%)

9、2.544 2.334 2.637 2.464 3.055 (R =2.8SR) 0.533 0.502 0.361 0.518 0.356 3 pHCaCl2 1 2 3 4 5 30 30 30 30 30 ( ) 60 60 60 60 60 7.374 7.410 4.927 7.381 4.260 (Sr) 0.075 0.058 0.039 0.075 0.052 (%) 1.022 0.787 0.785 1.022 1.231 (r =2.8Sr) 0.211 0.163 0.108 0.211 0.147 (SR) 0.260 0.240 0.173 0.236 0.178

10、(%) 3.520 3.234 3.513 3.198 4.183 (R =2.8SR) 0.727 0.671 0.485 0.661 0.499 pH 2006 1 23 135 513 701 7 (02)6009 4567 (02)6009 4887null 8 http:/ 607 822 1 11( 10 ) (051)557 1239 Fax. (051)557 0430 702 012 2 1741( 3 ) (053)384 1562 4 Fax. (053)384 1565 790 380 627( ) (054)278 9611 Fax. (054)278 9662 40

11、6 130 994( 16 ) (032)260 0260 7 Fax. (032)260 0268 443 766 906 5( 9 ) (031)259 7000 9 Fax. (031)259 7010 200 041 1 9( 304 ) (033)252 9423, 254 9423 Fax. (033)256 9423 361 802 1508 1( 6 ) (043)236 2451 3 Fax. (043)236 2454 305 343 23 14( 5 ) (042)864 2301 3 Fax. (042)864 2304 330 816 43 5( 1204 ) (04

12、1)589 0500 3 Fax. (041)589 0504 561 841 1 337 2( 7 ) (063)214 2234 7 Fax. (063)214 2238 506 301 621 15( 4 ) (062)953 1435 7 Fax. (062)953 1438 641 210 298 7 ( 6 ) (055)212 1212 Fax. (055)212 1213 683 804 758 2( 2 ) (052)289 6601 3 Fax. (052)289 6604 425 020 541 3( 4 ) (031)487 6191 4 Fax. (031)487 6195 730 350 92 30( 8 ) (054)473 6954 Fax. (054)473 6955 480 848 2 487 6( 3 ) (031)829 8182 4 Fax. (031)829 8185 KOREAN STANDARDS ASSOCIATION KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKS I ISO 10390: 2005 Soil qualityDetermination of pH ICS 13.080.00

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