1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 10 31 http:/www.kats.go.krKS I ISO 5961 KS I ISO 5961: 2006 (2011 ) I ISO 5961: 2006 : ( ) ( ) KIST ( ) : (http:/www.standard.go.kr) : :1996 1 5 :2006 10 31 :2011 12 26 2011-0622 : : ( 02- 509-7270) (http:/www.kats.go.kr). 10 5 , . ICS 13.060.40 KS I I
2、SO 5961: 2006(2011 ) Water quality Determination of cadmium by atomic absorption spectrometry 1994 2 ISO 5961 Water quality Determination of cadmium by atomic absorption spectrometry . 1. 2 (AAS) (electrothermal) (AAS) . 1.1 AAS 0.051 mg/L . . . . 1.2 10 L 0.33 g/ L . . . 2. . . KS M 9112 ( ) 3. 3.1
3、 , . 10 000 mg/L 10 000 mg/L 10 000 mg/L 10 000 mg/L 10 000 mg/L 10 000 mg/L 3 000 mg/L 3 000 mg/L 10 000 mg/L 3 000 mg/L 10 000 mg/L 10 000 mg/L 1 000 mg/L 3 000 mg/L 15 g/L , 20 000 mS/m . (matrix) . I ISO 5961: 2006 2 4.6.2 b) . 3.2 228.8 nm . 3.3 . . 3.3.1 = 1.40 g/mL 3.3.2 w (H2O2) = 30 %(m/m)
4、3.3.3 I (Cd) = 1 000 mg/L. (3.3.1) 10 mL (3.3 ) 10 mL (1.0000.002) g (1 000 mL) . . 1 . (1.0000.002) g/L . 3.3.4 I (Cd) = 10 mg/L. (3.3.3) 10 mL (1 000 mL) . (3.3.1) 10 mL . . 1 . 100 mL . 3.3.5 5 . 0.051.0 mg/L . (3.3.4) 0.5, 2.0, 4.0, 6.0, 8.0 mL 10.0 mL (100 mL) . (3.3.1) 1 mL . 0.05, 0.2, 0.4, 0
5、.6, 0.8 mg/L 1.0 mg/L . 3.3.6 (3.3.1) 1 mL (100 mL) (3.3) . (3.5.2 ). 3.3.7 (3.3.4) . (3.3.6) . 3.4 2 mol/L( , 24 ) , (3.3) . (3.6.1 ). 3.4.1 . 3.4.2 . 5105Pa . 3.4.3 3.4.4 10, 100, 1 000 mL 3.4.5 1, 2, 3, 4, 5, 6, 8, 10, 20, 30 mL 40 mL 3.4.6 3.4.7 250 mL 3.4.8 3.4.9 0.45 m . 3.5 KS M 9112 I ISO 59
6、61: 2006 3 3.5.1 . 3.5.2 a) (3.5.1) 0.45 m . pH 2 . (3.3.1) 10 mL . pH 2 . b) (3.3.1) 1 mL . 2 pH . . 100 mL (250 mL) (3.3.1) 1 mL (3.3.2) 1 mL . 0.5 mL . . . (3.3.1) 1 mL . (100 mL) . . . 3.6 , (3.4.1) . (3.3.7) 0 . 3.6.1 (3.3.6) . . , (3.3) . 3.6.2 (3.3.5) . (3.3.7) 0 . 3.6.3 (3.6.1) (3.5.2) . 102
7、0 . . 3.7 3.7.1 . (Cd) . 2101)(Cd)VbVAA= A0: A1: b: 3.6.2 V1: V2: , . 3.7.2 0.01 mg/L . (Cd): 0.07 mg/L (Cd): 0.41 mg/L 3.8 . I ISO 5961: 2006 4 a) b) c) 3.7.2 d) , e) 3.9 1 . 1 l n na% x mg/L x mg/L r mg/L VCr% R mg/L VCR% WFR % A(1)(2) B(1)(2) C(1)(3) 23 23 23 63 60 63 0 5 0 0.113 0.563 0.968 0.11
8、8 0.5871.0080.009 70.030 90.073 38.2 5.3 7.3 0.005 80.009 20.012 15.0 1.6 1.2 104.1 104.3 104.1 % g/L g/L g/L % g/L % % D(4)(2) E(4)(2) F(4)(6) 52 22 17 13 52 22 17 13 53 23 17 13 133 55 45 31 136 56 40 35 135 56 43 33 2 2 0 11 0 0 11 0 7 11 7 8 0.91 0.91 0.91 0.91 2.70 2.70 2.70 2.70 16.2 16.2 16.2
9、 16.2 1.2921.1481.3631.39 2.96 2.78 2.99 3.22 18.3417.1418.3320.170.319 60.270 40.356 80.171 80.639 90.631 80.344 50.559 23.348 72.232 83.969 73.107 724.7 23.5 26.2 12.4 21.6 22.8 11.5 17.4 18.3 13.0 21.7 15.4 0.083 00.048 30.115 90.064 30.266 30.199 40.195 10.158 31.420 80.756 71.497 61.309 66.4 4.
10、2 8.5 4.6 9.0 7.2 6.5 4.9 7.7 4.4 8.2 6.5 141.9 126.2 149.8 152.7 109.6 102.9 110.7 119.2 113.2 105.8 113.1 124.5 (5) 4.6.2 a) : : (5) 4.6.2 a): : (5) 4.6.2 a): : l : r : n: VCr : na: (outlier) R : x : VCR : x : WFR: (1) AAS (2) (3) C: (spiked) (4) AAS (5) “ ” . (6) F: 4. 4.1 , , , , 100 mg/L , . ,
11、, . , 1 000 mg/L . . I ISO 5961: 2006 5 . . . . 4.2 228.8 nm . , . 4.3 3.3 . 4.3.1 = 1.40 g/mL 4.3.2 w(H2O2) = 30 %(m/m) 4.3.3 I (Cd) = 1 000 mg/L, 3.3.3 4.3.4 II (Cd) = 10 mg/L, 3.3.4 4.3.5 II (Cd) = 100 g/L. II(4.3.4) 10 mL (1 000 mL) (4.3.1) 10 mL . . . 4.3.6 III (Cd) = 5 g/L. II(4.3.5) 50 mL (1
12、000 mL) (4.3.1) 10 mL (3.3) . . . 4.3.7 II(4.3.5) 5 . 0.33 g/L . II (4.3.5) 0.3, 1.0, 1.7, 2.4 mL 3.0 mL 100 mL 5 . (4.3.1) 1 mL . 0.3, 1.0, 1.7, 2.4 g/L 3.0 g/L . . 4.3.8 (4.3.1) 1 mL (100 mL) . (3.5.2 ). 4.3.9 (3.3) . (4.3.8) . 4.3.10 ( 2 ) 1.0 g (3.3.1) 3 mL ( = 1.19 g/mL) 20 mL 100 mL . 10 g 100
13、 mL . a) (4.3.10 ) . 10 L 50 g 500 g . b) 15 mL 15 mL (100 mL) . 10 L 15 g 150 g . 4.4 3.4 4.4.1 . 4.4.2 . 4.4.3 . 4.4.4 I ISO 5961: 2006 6 4.4.5 (3.4 ) . 4.5 3.5 . 4.6 (4.4.1) . (4.3.9) . 4.6.1 (3.3.6) . (3.3) . , . 4.6.2 (batch) II(4.3.5) 5 . a) 4.1 . 4.6.2 b) . (4.3.7), (4.3.8) (3.5.2 ) ( ) . 10
14、L 4.3.10 a) 4.3.10 b) (4.4.2) . 2 . b) 4.6.2 b) 1) 4.6.2 b) 2) . . . 1) (4.3.1) 0.10 mL (3.5.2) 5.0 mL 4 (10 mL) . . (4.3.5) 0.05 mL 2 , 0.1 mL 3 , 0.15 mL 4 . 3 . 3 g/L . . 3 (4.3.8) . 3 . 4.6.2 a) . 2 . 5 mL 0.05 mL 1 g/L, 0.1 mL 2 g/L, 0.15 mL 3 g/L . . 4.6.2 a) . 2 . 2) ( , 3.5.2), III(4.3.6), (
15、4.3.8), (4.3.9) (4.3.10) . (4.4.2) . 10 L, 10 L, 10 L 10 L, III 2 L, 8 L 10 L 10 L, III 4 L, 6 L 10 L 10 L, III 6 L, 4 L 10 L . , 1 g/L, 2 g/L 3 g/L . . I ISO 5961: 2006 7 4.7 4.7.1 3.7 . 4.7.2 . . . . . . . 4.8 0.1 g/L , 2 . (Cd): 0.7 g/L (Cd): 1.3 g/L 4.9 3.8 4.10 1 I ISO 5961: 2006 8 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 5961: 2006 Water qualityDetermination of cadmium by atomic absorption spectrometry ICS 13.060.40