1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 7530 3 3: KS D ISO 7530 3: 2012 2012 9 3 http:/www.kats.go.krKS D ISO 7530 3:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 10 08 :2012 9 3 2012-0408 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 7530 3:2012 i 1990 1 IS
2、O 7530 3, Nickel alloys Flame atomic absorption spectrometric analysis Part 3: Determination of chromium content , . KS D ISO 7530 3:2012 3: Nickel alloys Flame atomic absorption spectrometric analysisPart 3: Determination of chromium content 1 0.01 % 4 % . KS D ISO 7530 1 B . , , , , , KS D ISO 753
3、0 1 . 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 7530 1, 1: 3 - . KS D ISO 7530 3:2012 2 357.9 nm . 4 KS D ISO 7530 1 . 4.1 , (6 )(SrCl2 6H2O) 113.5 g 600 mL (50 60 ) 400 mL . 1
4、000 mL , . . 4.2 , (1 000 mg/L) 99.9 % 1.000 g 0.001 400 mL , 1 1 30 mL . . 1 000 mL (20 1.18 g/mL) 35 mL , . 4.3 (50 mg/L) (4.2) 50 mL 1 000 mL (20 1.18 g/mL) 50 mL . . 5 KS D ISO 7530 1 5. . 6 KS D ISO 7530 1 6. . 7 7.1 KS D ISO 7530 1 7.1.1 7.1.4 . 7.1.1 1 7.1.1.1 0.01 % 0.10 % 1 (7.1) 100 mL , (
5、4.1) 4 mL . . . 7.1.1.2 0.1 % 4.0 % 1 KS D ISO 7530 3:2012 3 (7.1) 500 mL , (20 1.18 g/mL) 20 mL . . . 7.1.2 2 7.1.2.1 0.1 % 0.8 % 2 7.1.1.2 50 mL 100 mL , (4.1) 4 mL (20 1.18 g/mL) 3 mL , . 7.1.2.2 0.4 % 4 % 2 7.1.1.2 10 mL 100 mL , (4.1) 4 mL (20 1.18 g/mL) 5 mL , . 7.2 . 7.3 5 100 mL (4.3) 0 mL,
6、5 mL, 10 mL, 15 mL, 20 mL . (4.1) 4 mL (20 1.18 g/mL) 5 mL . 7.4 7.4.1 357.9 nm / KS D ISO 7530 1 7.4.1 . 7.4.2 KS D ISO 7530 1 7.4.2 . 7.5 . 8 8.1 KS D ISO 7530 1 8.1 . 8.2 KS D ISO 7530 3:2012 4 8.2.1 1 , 5 10 . 8.2.2 8.2.2.1 KS D ISO 7530 1 8.2.2 KS A ISO 5725 . 2 . 8.2.2.2 Cochran , Dixon . 9 KS
7、 D ISO 7530 1 9. . 1 ( %) Al Co Cr Cu Fe Mn Ni Si Ti 902 0.4 0.05 5 0.04 48 0.4 0.35 2.5 2 ( %) 902 5.16 0.034 0.102 0.096 0.30 3: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 7530 3:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Nickel alloysFlame atomic absorption spectrometric analysisPart 3:Determination of chromium content ICS 71.040.40 ; 77.120.40