1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 8343 KS D ISO 8343: 2012 2012 9 28 http:/www.kats.go.krKS D ISO 8343:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 9 30 :2012 9 28 2012-0491 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 8343:2012 i 1985 1 ISO 8343, Fe
2、rronickel Determination of silicon contentGravimetric method . KS D ISO 8343:2012 Ferronickel Determination of silicon content Gravimetric method 1 0.2 % 4.0 % . 2 . . ( ) . KS A ISO 5725 2, ( ) 2: 3 . , . . . 4 , . 4.1 (20 1.19 g/mL) 4.2 (1 9) 4.3 (20 1.14 g/mL) , . . 4.4 (1 1) 4.5 (20 1.61 g/mL, 7
3、0 %) KS D ISO 8343:2012 2 4.6 (1 1). 5 . 5.1 , 600 mL . 5.2 , 40 mL . 5.3 , 1 100 . 5.4 6 6.1 . 6.2 , , . 6.3 , . 6.4 , . 7 7.1 7.1.1 1 % , 2.00 g 0.001 g . 7.1.2 0.25 % 1 % , 4.00 g 0.002 g . 7.1.3 0.25 % , 10.00 g 0.005 g . 7.2 . 7.3 . . 7.3.1 (7.1) (5.1) (4.4) 50 mL . , (4.5) 50 mL . KS D ISO 834
4、3:2012 3 10 g , . 70 mL . 7.3.2 . . . 100 mL , (4.1) 15 mL . 250 mL . 2 . 7.3.3 125 mm . . 1 9 (4.2) . . . . 7.3.4 (5.2) . (5.3) . 30 1 100 . (5.4) 0.1 mg . 30 . 7.3.5 . (4.6) 0.5 mL (4.3) 5 mL . . 10 1 100 . 0.1 mg . 10 . 8 8.1 ( %) . 100467.00321mmmm m0: (g) m1 : (g) m2 : (g) m1 m2 (g) . m3 : (g)
5、0.467 : 8.2 4 5 . 1 KS A ISO 5725 2 . KS D ISO 8343:2012 4 1 ( %) 0.26 1.01 2.56 sw sb r R 0.005 0.001 0.013 0.014 0.022 0.012 0.062 0.071 0.014 0.027 0.039 0.087 9 . 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 8343:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS FerronickelDetermination of silicon contentGravimetric method ICS 77.100