1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 2075 3 3: KS D 2075 3:2012 2012 3 9 http:/www.kats.go.krKS D 2075 3:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2012 3 9 2012-0104 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 2075 3:2012 3 : Methods for chemical analysis of fer
2、roboron Part 3: Method for determination of silicon content 1 . 2 . . ( ) . KS D 1816, 3 KS D 1816 . 4 4.1 0.1 % , 4.0 % . 4.2 . . , . . 4.3 4.3.1 (1 2, 1 4) KS D 2075 3:2012 2 4.3.1.1 4.3.1.2 4.3.1.3 (1 1) 4.3.1.4 ( 1: 3) . 4.3.1.5 ( 7, 3) 4.3.1.6 (95) 4.4 1 . 1 % g 0.1 2 1.0 2 4 0.50 4.5 4.5.1 a)
3、(300 mL) 20 mL 10 mL . 10 . b) 30 mL (5 B) (1 4) (500 mL) . c) (30 mL) . 2 g . 700 ( ) 5 . d) (1 2) 10 mL b) . 4.5.2 a) 4.5.1 d) 20 mL . 15 . b) 120 mL . 2 3 (5 B) . c) (policemen) (1 4) 5 (III) KS D 2075 3:2012 3 1) . 5 . 4.5.3 a) 4.5.2 c) (30 ) . . b) 1 100 30 (m1) . . 4.5.4 a) 4.5.3 b) (1 1) 2 3
4、3 mL 5 mL . b) 1 100 30 (m2) . . 4.6 4.5.1 4.5.4 . 4.7 . 1004 0.467)()(Si4321=mmmmm Si : ( %) m1: 4.5.3 (g) m2: 4.5.4 (g) m3: 4.6 (g) m4: 4.6 (g) m : (g) 1) (100 g/L) . 3: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 2075 3:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Methods for chemical analysis of ferroboronPart 3:Method for determination of silicon content ICS 71.040.40; 77.120.00 Korean Agency for Technology and Standards http:/www.kats.go.kr