1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 7520 KS D ISO 7520:2012 2012 7 27 http:/www.kats.go.krKS D ISO 7520:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 9 7 :2012 7 27 2012-0337 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 7520:2012 i ii 1 1 2 1 3 1 4 2 5
2、.3 6 .3 7 3 7.1 3 7.2 4 7.3 .4 7.4 .4 7.5 4 7.6 .5 8 .5 8.1 .5 8.2 .6 9 .6 10 .6 KS D ISO 7520:2012 ii 1985 1 ISO 7520, Ferronickel Determination of cobalt content Flame atomic absorption spectrometric method , . KS D ISO 7520:2012 Ferronickel Determination of cobalt content Flame atomic absorption
3、spectrometric method 1 0.025 2.5 % . 2 . . ( ) . KS A ISO 5725 1, ( ) 1: KS A ISO 5725 2, ( ) 2: KS A ISO 5725 3, ( ) 3: KS A ISO 5725 4, ( ) 4: KS A ISO 5725 5, ( ) 5: KS A ISO 5725 6, ( ) 6: KS D ISO 6352, KS L ISO 385 1, 1: KS L ISO 648, KS L ISO 1042, 3 . , . . 240.7 nm . KS D ISO 7520:2012 2 KS
4、 D ISO 6352 . 4 , . 4.1 , 20 1.19 g/mL 4.2 (1: 9), (4.1) 1: 9 4.3 (1: 1), (20 1.41 g/mL) 1: 1 4.4 , 20 1.61 g/mL( 72 %) 4.5 , 20 1.14 g/mL, 1: 1 , . , . 4.6 , 200 g/L , 6 (LaCl3 6H2O) 250 g 600 mL . (4.1) 25 mL 300 mL . . , 500 mL . 4.7 , Ni 12 g/L Fe 28 g/L 4.7.1 800 mL ( 0.001 % ) 12 g 50 mL (20 1
5、.41 g/mL) 50 mL . , . 250 mL . 4.7.2 800 mL ( 0.001 % ) 28 g . 1 1 100 mL . (20 1.41 g/mL) 50 mL . 250 mL . 4.7.3 (4.7.1) (4.7.2) . 1 000 mL . 4.8 , 0.500 g/L 99.9 % 0.500 g 0.001 g 600 mL , 1: 1 (4.3) 40 mL . , 1: 1 (4.3) 160 mL 1 000 mL . . 1 mL 0.500 mg . KS D ISO 7520:2012 3 5 5.1 . 5.2 KS L ISO
6、 385 1 class A , 0.1 mL 50 mL 5.3 600 mL . 5.4 KS L ISO 648 class A , 25 mL 50 mL 5.5 KS L ISO 1042 class A , 250 mL, 500 mL 1 000 mL 5.6 (PTFE ) 600 mL . 6 6.1 , . 6.2 , . 6.3 . 6.4 . 7 . . 7.1 3.9 4.1 g 0.001 g (5.3) . KS D ISO 7520:2012 4 7.2 . 7.3 7.3.1 50 mL 25 mL (7.1) . , . 1 % (5.6) . 25 mL,
7、 (4.3) 40 mL, (4.1) 10 mL . (4.5) 10 mL (4.4) 40 mL . , (5.3) . 260 . 20 7.3.2 . 7.3.2 (4.4) 40 mL 260 . 20 . . (4.1) 20 mL 200 mL . 1 000 mL . 1: 9 3 , 4 , . (4.6) 50 mL ( A). 7.4 7.4.1 A 7.4.1.1 150 mL 6 (4.7) 50 mL . 7.4.1.2 (5.2) (4.8) 0 mL, 1.0 mL, 2.0 mL, 3.0 mL, 5.0 mL 10.0 mL . (4.4) 20 mL .
8、 50 mL (4.1) 10 mL 500 mL . (4.6) 25 mL . 7.4.2 B 7.4.2.1 150 mL 6 (4.7) 5 mL . 7.4.2.2 7.4.1.2 7.5 7.5.1 0.0250.25 % A(7.3.2) A(7.4.1) . 7.5.1.1 240.7 nm KS D ISO 7520:2012 5 . 7.5.1.2 . 7.5.1.3 A(7.3.2) . 7.5.1.4 0 . 7.5.1.5 A(7.4.1) . . 7.5.1.6 . 7.5.1.7 , , . 1 . 2 . 7.5.2 0.252.5 % 7.5.2.1 250
9、mL A(7.3.2) 25.0 mL . (4.6) 12 mL, (4.4) 10 mL (4.1) 5 mL . ( B). 7.5.2.2 7.5.2.1 (7.2) . 7.5.2.3 B(7.5.2.1), (7.5.2.2), B(7.4.2) 7.5.1 . 7.6 0 . . . 8 8.1 8.1.1 . 8.1.2 . fmV40110)( KS D ISO 7520:2012 6 1 : (mg/L) 0 : (mg/L) m : (g) V : (mL) f : ( B f 10) 8.2 8.2.1 8.2.1.1 4 7 . 21 41 %, 0.6 1.3 %
10、8 . 8.2.1.2 KS A ISO 5725 . R r . 1 ( %) ( %) 20 25 0.7 25 40 0.7 1.3 , sw , sb0.021 0.013 0.044 0.028 , 2w83.2 sr = 0.06 0.12 , 2b2w83.2 ssR += 0.07 0.15 9 7.5.2 . 10 . a) b) c) d) e) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 7520:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS FerronickelDetermination of cobalt contentFlame atomic absorption spectrometric method ICS 77.100