KS I ISO 16772-2005 Soil quality-Determination of mercury in aqua regia soil extracts with cold-vapour atomic spectrometry or cold-vapour atomic fluorescence spectrometry 《土质 用冷蒸气原.pdf

1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2005 12 28 KS I ISO 16772 KS I ISO 16772： 2005I ISO 16772： 2005 ( ) ( ) KIST ( ) ( ) ： ： 2005 12 28 2005 1013 ： ： ( ) ( 02 509 72625) . 7 5 , . ICS 13.080.10 KS I ISO 16772： 2005Soil quality Determination of mercury in aqua regia soil extracts with cold-vap

2、our atomic spectrometry or cold-vapour atomic fluorescence spectrometry 2004 1 ISO 16772 Soil quality Determination of mercury in aqua regia soil extracts with cold-vapour atomic spectrometry or cold-vapour atomic fluorescence spectrometry . . . . , . 1. (cold-vapour) , KS M ISO 11464 KS M ISO 11466

3、 . 0.1 mg/kg . 2. . . . KS M 0076 KS M ISO 11464 KS M ISO 11465 ( ) KS M ISO 11466 3. (closed system) (II) , . (light path) (cell) 253.7 nm . (signal) . , . . (II) . NaBH4 , . 4. . KS M I ISO 16772： 2005 2 0076 2 . , , , 10 1 , . 4.1 w(HCl) = 37 %, c(HCl) 12 mol/L, (HCl) 1.18 g/mL (batch) . 4.2 w(HN

4、O3) = 65 %, c(HNO3) 14.5 mol/L, (HNO3) 1.40 g/mL (batch) . , (batch) . 4.3 (1 4), c(HNO3) 4 mol/L 1 000 mL (4.2) 250 mL 500 mL . 4.4 (1 9) 1 000 mL (4.1) 21 mL (4.2) 7 mL 500 mL . 4.5 (II) (SnCl2 2H2O) = 100 g/L, c(Sn) = 0.443 mol/L SnCl2 2H2O 10 g (4.1) 30 mL , 100 mL . 30 . . (II) . 4.6 (Hg) = 1 0

5、00 mg/L 4.6.1 . (4.6.2) (4.6.3) 4.6.2 . . . . 4.6.3 , (1000.4) mg w(Hg) = 99.99 % 17 mL(4.2) . , , 100 mL . 6 . 4.7 , (Hg) =20 mg/L (4.6) 2 mL 100 mL , 10 mL (4.3) . . 4.8 , (Hg) =0.2 mg/L (4.7) 1 mL 100 mL , 10 mL (4.3) . . PFA FEP . I ISO 16772： 2005 3 4.9 99.99 % . . 5. 5.1 PFA, FEP (trace elemen

6、ts) , 5 % 5 . . B (KS L ISO 648, KS L ISO 1042 ). 5.2 (AAS) ( ), . 5.3 (AFS) 254 nm . (EN 13506 ). 5.4 , (batch system), (FIAS) (5.2) (5.3) , (4.9) . (4.5) (II) . (5.2) , 10 cm . 50100 . (5.3) . (FIAS) , (II) , . . 6. . (CRM) . . . . . . (CRMs) , . 7. 7.1 KS M ISO 11466 10 mL 100 mL . 7.2 , KS M ISO

7、 11466 . I ISO 16772： 2005 4 , . 10 mL 100 mL . 7.3 0.2 mg/L (4.8) , 5 . . . (4.8) 0 mL, 1 mL, 2 mL, 3 mL, 5 mL 8 mL 100 mL . (4.4) . 0 g/L, 2 g/L, 4 g/L, 6 g/L, 10 g/L 16 g/L . 0 ng, 20 ng, 40 ng, 60 ng, 100 ng 160 ng 10 mL . . . , 5 g/L K2Cr2O7 1 mL . 7.4 7.4.1 (CVAAS) (5.2) (5.4) , 253.7 nm , , ,

8、 (peak) (4.5) . (7.3) 10 mL , . . . (7.3) , . . (fit-for-purpose) . 7.4.2 (CVAFS) (5.3) (5.4) . . . , . . . . , . . 7.5 (7.2) 10 mL , . (7.1) , . (7.2) (7.1) , 7.4.1 7.4.2 . (4.4) . , . , . I ISO 16772： 2005 5 , . 7.6 (7.3) . , (signal) . . 7.7 , (7.1) (7.2) (signal) . w(Hg) (1) kg (mg) . CVfmw =000

9、 1)()Hg(01 (1) w(Hg)： kg (mg) 1： (7.1) (mg/L) 0： (7.2) (mg/L) f： f = 10, (7.1) . . V： (L)(KS M ISO 11466 0.1 L ) m： KS M ISO 11464 (kg) C： , C = 100/wdm( wdm , KS M ISO 11465 % ) 7.8 . w(Hg) = 0.45 mg/kg w(Hg) = 12.5 mg/kg , . 8. 2000 5 . , (topsoil) . 1 . KS A ISO 5725 2 . I ISO 16772： 2005 6 1 Nla

10、bNlab,rejNresNrejw(Hg) mg/kgsRmg/kg CVR% srmg/kgCVr% R mg/kg r mg/kg 1 11 0 33 0 0.43 0.1 22.06 0.02 5.4 0.27 0.07 2 11 0 32 1 12.49 1.1 8.84 0.32 2.56 3.12 0.91 NlabNlab,rejNresNrej sRCVRsrCVrR r w(Hg) (number of accepted laboratories) (number of rejected laboratories) (number of accepted results)

11、(number of rejected results) (reproducibility standard deviation) (variation coefficient of reproducibility ) (repeatability standard deviation) (variation coefficient of repeatability) (reproducibility limit) (repeatability limit) 11 3 9. . a) b) c) d) e) I ISO 16772： 2005 7 1 KS L ISO 648 (KS L 23

12、17 ) 2 KS L ISO 1042 (KS L 2317 ) 3 KS A ISO 5725 2 ( ) 2： 4 EN 13506： 2001 Water quality Determination of mercury by atomic fluorescence spectrometry 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)384 156

13、2 4 Fax. (053)384 1565 790 380 627( ) (054)278 9611 Fax. (054)278 9662 406 130 994( 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 3

14、43 23 14( 5 ) (042)864 2301 3 Fax. (042)864 2304 330 816 43 5( 1204 ) (041)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)289 660

15、1 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 16772： 2005 Soil quality Determination of mercury in aqua regia soil extracts with cold-vapour atomic spectrometry or cold-vapour atomic fluorescence spectrometry ICS 13.080.10