KS I ISO 14869-2-2009 Soil quality－Dissolution for the determination of total element content－Part 2：Dissolution by alkaline fusion《土壤质量 测定总元素含量的溶解法 第2部分 用强碱熔解》.pdf

1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 148692 2： KS I ISO 148692 :2009 2009 12 18 http:/www.kats.go.krKS I ISO 148692:2009 : ( ) ( ) ( ) ：(ISO/TC19) () ( ) () : (http:/www.standard.go.kr) ： ：2004 8 31 ：2009 12 18 2009-0830 ： ： (ISO/TC190) ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , .

2、KS I ISO 148692:2009 2： Soil qualityDissolution for the determination of total element contentPart 2：Dissolution by alkaline fusion 2002 1 ISO 148692, Soil qualityDissolution for the determination of total element contentPart 2：Dissolution by alkaline fusion , . 1 . Na, K, Mg, Ca, Ti, Mn, Fe, Al, Si

3、 . . w (3dV/m) . w ： (mg/kg) d ： (mg/L) 3 ： V ： (L) m ： (kg) (resultant solution) . (flux) . 2 . . ( ) . KS I ISO 148692:2009 2 KS I ISO 11465, () KS I ISO 142562, , , 2： KS M ISO 3696, 3 , 450 dilithium tetraborate(Li 2 B 4 O 7 ) lithium metaborate(LiBO 2 ) 1 ：4 . . 4 . 4.1 KS M ISO 3696 2 . 4.2 2

4、, Li 2 B 4 O 7(packing) 1.0 4.3 , LiBO 2 0.8 4.4 c (HNO 3 )15.2 mol/L, 1.41 g/mL 4.5 c (HNO 3 )0.5 mol/L 32 mL (4.4) (4.1) 1 L . 5 5.1 . 5.2 KS I ISO 11465 . 5.3 KS I ISO 148692:2009 3 0.000 1 g 5.4 1 (45025) . 5.5 . . (inductively heated furnace) (muffle furnace) Meker (air-propane Meker burner) 5.

5、6 30 mL, ： 95：5 . . . 5.7 800 mL 5.8 PTFE 6 KS I ISO 11464 20 g . , KS I ISO 11465 . 0.200 g (5.3) (5.6) . (5.4) 1 450 3 . . 2 (Li 2 B 4 O 7 )(4.2) (0.2000.002) g (LiBO 2 )(4.3) (0.8000.005) g . (5.5) 1 0001 100 . 10 30 . 1 . . (4.5) 200 mL (5.7) . KS I ISO 148692:2009 4 (5.8) . 15 20 . 250 mL, 500

6、mL, 1 000 mL . (4.5) (4.5) . . . 3 . . (5.6) . 200 mL . . . mL (4.5) . , (hot plate) . 1 250 m . 2 . 7 . . a) b) c) 2： 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 148692 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soil quality Dissolution for the determination of total element content Part 2 ：Dissolution by alkaline fusion ICS 13.080.10 Korean Agency for Technology and Standards http:/www.kats.go.kr