1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 9965 ( )KS I ISO 9965:2008 2008 11 10 http:/www.kats.go.krKS I ISO 9965:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1998 3 26 :2008 11 10 2008-0751 : : ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 9965:2008 ( ) Water quality Deter
2、mination of selenium Atomic absorption spectrometric method (hydride technique) 1993 1 ISO 9965, Water quality Determination of selenium Atomic absorption spectrometric method (hydride technique) , . 1 , , 110 g/L . . 2 . . ( ) . KS M ISO 5667 1, 1: KS M ISO 5667 2, 2: KS M ISO 5667 3, 3: 3 . 4 Se(I
3、V) . 4 . 4 (SeH2) . 196.0 nm . 4 . KS I ISO 9965:2008 2 . 4.1 = 1.84 g/mL 4.2 = 1.16 g/mL 4.3 w(H2O2) = 30 %(m/m) 4.4 4.5 (sodium tetrahydroborate) (4.4) 1 g 20 mL . (NaBH4) 3 g . 100 mL . . 4.6 (1 000 mg Se/L) 1.405 3 g (1 000 mL) . (4.4) 2 g . 1 000 mL . . 4.7 1(10 mg Se/L) (4.6) 10 mL (1 000 mL)
4、. (4.2) 20 mL 1 000 mL . . 4.8 2(0.1 mg Se/L) 1(4.7) 10 mL (1 000 mL) . (4.2) 20 mL , 1 000 mL . . 5 . 5.1 ( ) . . KS I ISO 9965:2008 3 5.2 5.3 ( 2 mol/L ) . 6 KS M ISO 5667 1 KS M ISO 5667 2 . ( 2 mol/L ) . (4.2) 20 mL 1 000 mL . pH 2 pH 2 . KS M ISO 5667 3 . 7 7.1 (4.2) 2 mL (100 mL) , 100 mL . .
5、7.2 2(4.8) 5 . 110 g/L 2(4.8) 1 mL, 3 mL, 5 mL, 8 mL, 10 mL (100 mL) . (4.2) 2 mL 100 mL . 1 g/L, 3 g/L, 5 g/L, 8 g/L, 10 g/L . . 7.3 . , (7.3.1) . 50 mL . 7.3.1 (7.3 ) (4.1) 5 mL (4.3) 5 mL . KS I ISO 9965:2008 4 1 . . . (4.3) 5 mL . . . 1 7.3.2 6 4 (4.2) 20 mL . 15 . ( 1 L/min ) 15 (aerate) . (100
6、 mL) , 100 mL . KS I ISO 9965:2008 5 (7.1) (7.2) . 7.4 . . ( 196.0 nm) . . (7.3 ) 20 mL . . 0 . (4.5) 5 mL . . . 1 . 2 . . 8 (g/L) . . 9 1 . (Se): 8 g/L (Se): 32 g/L 10 1992 1 . KS I ISO 9965:2008 6 1 l n na% x g/L x g/L rg/L VCr% Rg/L VCR% WFR % A B 19 19 50 42 0 11 3.0 9.0 2.92 7.76 0.5250.86918.0
7、 11.2 0.191 0.439 6.5 5.7 97.4 86.2 l : n : na : x : x : A : B : r : VCr : R : VCR : WFR : 11 2 . 500 mL . , . 250 mg 500 mL 100 mg 250 mg , 40 % 100 % . 3.75 g 15 mg/kg . KS I ISO 9965:2008 7 mg 3.75 g ( g Se) ( ) 250 0.0 ( 0.1 ( ) 250 0.0 ( ) 250 0.2 ( 0.2 ( ) 250 0.3 ( ) 250 0.1 ( 0.2 ( ) 250 0.5
8、 ( 0.0 ( ) 250 0.2 ( 0.0 ( ) 250 0.7 ( ) 100 0.2 ( 0.1 3 ( ) 100 0.2 2 ( 0.3 3 ( ) 250 0.5 2 ( ) 100 1.7 ( ) 100 3.4 2 ( ) 250 1.8 ( ) 250 0.2 ( ) 100 0.3 2 ( 2.9 2 ( ) 100 0.4 2 ( ) 100 0.5 ( ) 250 3.7 ( ) 100 3.0 12 . a) b) c) d) 9. e) ( ) 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 9965:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of selenium Atomic absorption spectrometric method (hydride technique) ICS 13.060.01
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