1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 11969 (： )KS I ISO 11969:2008 2008 8 7 http:/www.kats.go.krKS I ISO 11969:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ： 1998 12 28 ： 2008 8 7 2008-0411 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 11969:2008 (： ) Water quality
2、Determination of arsenic Atomic absorption spectrometric method(hydride technique) 1996 1 ISO 11969, Water quality Determination of arsenic Atomic absorption spectrometric method(hydride technique) , . . . . 1 , 1 g/L10 g/L . . 2 . . KS M ISO 5667 1, ( ) KS M ISO 5667 2, 2： KS M ISO 5667 3, 3： 3 . 3
3、 . 3 . 3 (AsH3) . KS I ISO 11969:2008 2 193.7 nm . 4 . . 4.1 (H2SO4) = 1.84 g/mL 4.2 (HCl) = 1.15 g/mL 4.3 (H2O2) w = 30 %(m/m) 4.4 (NaOH) 4.5 (4.4) 1 g 20 mL . (NaBH4) 3 g . 100 mL . . (flow-through) (system) . 0.5 % 0.5 % . 1 . 4.6 - (KI) 3 g L( ) (C6H8O6) 5 g 100 mL . . 20 % . 4.7 1 000 mg As/L .
4、 (As2O3) 1.320 g 1 000 mL . (4.4) 2 g . . 1 . . 5 (8.3.2) . 4.8 1 10 mg As/L . KS I ISO 11969:2008 3 (4.7) 10 mL 1 000 mL . (4.2) 20 mL . 1 . 5 1 000 mL 8.3.2 5 3 . 4.9 2 0.1 mg As/L . 1(4.8) 10 mL 1 000 mL . (4.2) 20 mL . . 5 . 5.1 . . 5.2 5.3 10 %(V/V) . 6 KS M ISO 5667 1 KS M ISO 5667 2 . 10 %(V/
5、V) . 1 000 mL (4.2) 20 mL . pH 2 pH 2 . KS M ISO 5667 3 . 7 . 8.3.1 . . . A KS I ISO 11969:2008 4 . 2.0 mg/L , 0.2 mg/L , 0.05 mg/L 100 mg/L 1.0 g/L . . 8 8.1 (4.2) 2 mL 100 mL . . 8.2 2(4.9) 5 . 1 g/L10 g/L 2 1 mL, 3 mL, 5 mL, 8 mL 10 mL 100 mL . (4.2) 2 mL . 1 g/L, 3 g/L, 5g/L, 8 g/L, 10 g/L . . .
6、 8.3 8.3.1 . . 8.3.2 . 50 mL ( 1 ) (6. ). 8.3.1 . (4.1) 5 mL (4.3) 5 mL (8.3 ) . 1 . . . (4.3) 5 mL . . , KS I ISO 11969:2008 5 8.3.2 . . 8.3.2 5 3 (4.2) 20 mL - (4.6) 4 mL (8.3.1 ) (8.3 ) . 50 15 . 100 mL . . 1 (Rister tube) ( 2.5 mm) 250 mL KS I ISO 11969:2008 6 8.4 . . (5.1) (： 193.7 nm) . (5.2)
7、0 . . (8.3.2) . . 0 . (8.3.2) 20 mL (4.5) (50.1) mL . . . . 1 (calibration point) . 2 . . 9 (8.4) . . 10 2 mg/L . 11 1982 B . KS I ISO 11969:2008 7 12 . a) b) c) 10. d) KS I ISO 11969:2008 8 A ( ) ( g/L) mg/L 0.0 g/La1.0 g/L (as Ag) (as Al3) (as Cd2) (as Cr3) (as Cu2) (as Cu2) (as Cu2) (as Cu2) (as
8、Cu2) (as Cu2) (as Fe3) (as Hg2) (as Mn2) (as Ni2) (as Ni2) (as Ni2) (as Ni2) (as Pb2) (as Sb5) (as Sb5) (as Sb5) (as Sb5) (as Sb5) (as Sb5) (as Se4) (as Se4) (as Se4) (as Se4) (as Se4) (as Se4) (as Sn4) (as Sn4) (as Sn4) (as Sn4) (as Sn4) (as Zn2) (as NO3) (as NO3) 10.0 10.0 10.0 10.0 0.5 1.0 2.0 5.
9、0 10.0 20.0 10.0 10.0 10.0 0.5 1.0 2.0 10.0 10.0 0.2 0.5 1.0 2.0 5.0 10.0 0.01 0.02 0.05 0.1 0.2 0.5 0.5 1.0 2.0 5.0 10.0 10.0 10.0 50.0 0.06 0.00 0.12 0. 00 0.00 0.00 0.13 0.09 0.00 0.00 0.00 0.24 0. 00 0.09 0.04 0.02 0.03 0.03 0.01 0.04 0.06 0.06 0.15 0.19 0.30 0.00 0.04 0.04 0.02 0.03 0.03 0.10 0
10、.05 0.04 0.12 0.23 0.26 0.28 0.57 0.03 0.01 0.07 0.28 0.42 0.81 0.00 0.05 0.04 0.05 0.08 0.01 0.04 0.00 KS I ISO 11969:2008 9 (g/L) mg/L 0.0 g/La1.0 g/L (as NO3) (as NO3) (as ClO4) (as PO43) (as SO42) 100.0 250.0 10.0 10.0 250.0 0.00 0.09 0.00 0.04 0.09 0.21 0.07 0.02 0.01 a , 0.0 g/L 1.0 g/L (0.000
11、.02) g/L(0.000.08) g/L . KS I ISO 11969:2008 10 B ( ) n o na % x g/L theorx g/L RR % sr g/L VCr % sR g/L VCR% 1 2 3 60 60 60 1 1 2 2 0 1.40 4.38 7.99 1.30 4.00 7.50 108 109 107 0.0840.1720.5726.0 3.9 7.1 0.268 0.509 0.919 19 12 12 n o na x theorx RR sr VCr sR VCR (： ) 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 11969:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of arsenicAtomic absorption spectrometric method (hydride technique) ICS 13.060.01
