1、 KS I ISO 14870 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS DTPA KS I ISO 14870 : 2007 (2012 ) 2007 8 30 http:/www.kats.go.krKS I ISO 14870：2007 : ( ) ( ) ( ) () ( ) , : (http:/www.standard.go.kr) ： ：2002 12 27 ：2007 8 30 ：2012 12 27 ： 20120781 ： (ISO/TC190) ( 02-509-7270) (http:/www.kats.go.kr). 10 5
2、 , . KS I ISO 14870：2007 2001 1 ISO 14870, Soil qualityExtraction of trace elements by buffered DTPA solution , . i KS I ISO 14870 : 2007 (2012 ) DTPA Soil quality Extraction of trace elements by buffered DTPA solution 1 (diethylenetriaminepentaacetic acid：DTPA) . , , . pH 6 . , , . DTPA . . 2 . . (
3、 ) . KS M ISO 3696, KS M ISO 11464, KS M ISO 11465, () 3 20 , 1 ：2(m/V) (triethanol, 0.1 mol L 1 ) (calcium chloride, 0.01 molL 1 ) (DTPA, 0.005 molL 1 ) (pH7.3) . 1 , . 2 (比) . 4 KS M ISO 3696 2 . KS I ISO 14870：2007 4.1 (TEA) C 6 H 15 NO 34.2 (DTPA) C 14 H 23 N 3 O 104.3 2 CaCl 2 2H 2 O 4.4 HCl, 6
4、 mol L 14.5 CTEA0.1 mol L 1 , CCaCl 2 0.01 mol L 1 , CDTPA0.005 mol L 1TEA(4.1) 14.92 g, DTPA(4.2) 1.967 g 2(4.3) 1.470 g . . 800 mL . pH 7.30.2 1 000 mL . (202) . 5 , . 4 mol L 1 30 , (4.5) . . 5.1 100 mL . 5.2 (endoverend shaker) (202) (303) rpm . 5.3 5.4 2 KS I ISO 14870：2007 5.5 . 5.6 0.45 m . 5
5、.7 pH 5.8 5.9 20 mL 6 6.1 KS M ISO 11464 2 mm . KS M ISO 11465 . 6.2 (5.8) (6.1) 10.00 g 100 mL (5.1) . (5.9) 20.0 mL (4.5) . (5.2) (20 2) 2 . (5.4) 3 000 g 10 . (5.6) . , (5.5) 48 . (batch) (blank extraction) . 7 . . a) b) c) 3 KS I ISO 14870：2007 4 1 ADAMS J.F., KISSEL D.E. Zinc, copper and nickel
6、 availabilities as determined by solution and DTPA extraction of a sludgeamended soil. Commun. Soil Sci. Plant Anal., 20, 1989, pp.138158 2 BROWN P. H., DUNEMANN L., SCHULTZ R., MARSCHNER H., Influence of redox potential and plant species on the uptake of nickel and cadmium from soils. Z. Pflanzener
7、nhr. Bodenk., 49, 1989, pp. 382398 3 MUSTE C., TAUZIN J., Comparaison de la biodisponibilit du cadmium contenu dans diffrentes matires fertilisantes. C.R. Acad. Agric. Fr., 3, 1992, pp. 7179 4 LINDSAY W.L., NORWELL W.A. Development of DTPA soil test for zinc, iron, manganese and copper. Soil Sci. So
8、c. Am. J., 42, 1978, pp. 421423 5 ROCA J., POMARES F. Prediction of available heavy metals by six chemical extractants in a sewage sludgeamended soil. Commun. Soil Sci. Plant Anal., 22, 1991, pp. 21192136 6 STREET J.J., LINDSAY W.L., SABEY B.R. Solubility and plante uptake of cadmium in soils amende
9、d with cadmium and sewage sludge. J. Environ. Qual., 6, 1977, pp. 7277 7 BCR, certification report, when reference available DTPA 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS I ISO 14870 ：2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soil quality Extraction of trace elements by buffered DTPA solution ICS 13.080.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
