1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2003 4 30 KS D 1805 KS D 1805:2003 D 1805:2003 ( ) ( ) KIST ( ) ( ) POSCO ( ) : : 1963 9 30 : 2003 4 30 03 412 : : ( ) ( 02 509 7252) . 7 5 , . ICS 71.040.40 KS D 1805:2003Determination of silicon in iron and steel 1. . 2. . . KS D 1801 KS M 0012 KS M 7602
2、3. 2 . a) 0.1 % . b) 1 % . 3.1 3.1.1 , , , , . 3.1.2 a) (11) b) (11) c) ( 3: 1) d) (60 %) e) (110) f) (13) g) (46 %) h) (110) i) ( 1: 1) 3.1.3 a) (1) (300 mL) (2) 1 g 1520 mL , . 1 g 20 mL, 3 g 40 mL (3) 1520 . b) 120 mL (5 B) . , (110) 5 (4). D 1805:2003 2 c) , 1 100 . . d) , (5) 35 mL . 1 100 , .
3、SW 46.74(%)Si= W: (g) S: (g) (1) 1 . 1 g g 1 1 1 3 (2) a) 1 g 20 mL 10 mL 20 mL 3.1.3 b) . b) 20 mL , 3.1.3 b) . c) , (5 B) 10 . , , 20 mL . 23 , 3.1.3 b) . (3) . , . (4) , (110) . 15 g 500 mL 15 mL , 1 L . (5) a) , . b) . c) . (21) 1 g 20 mL, 3 g 40 mL , . 1 g 20 mL, 3 g 40 mL , 1520 , 3.1.3 b) . d
4、) (5) c) . , 800 . 3.2 D 1805:2003 3 3.2.1 , , , , 810 nm . 3.2.2 a) (11) 2 (11) 1 . b) (NH4)6Mo7O244H2O 100 g 1 L . (5 C) . c) (110) d) 15 g 50 mL (11) 20 mL 100 mL . e) (0.2 mg Si/mL) 0.428 g , 2.5 g . (11) 2 1 L . f) g) (30 %) 3.2.3 KS M 0012 5.() . 3.2.4 a) (6) 0.1 g (100 mL)(7) , 15 mL (8). (25
5、0 mL) (9). b) 50.0 mL (100 mL) (10), 10 mL . 30(11) 30 . c) 20 mL , 30 (12) 5 mL . d) 1 (13) , 810 nm (14), (15) , . 100Si(%) =BSA A:(g) S:(g) B: (6) , , , 15 mL 10 mL 30 , 40 mL 3 , (250 mL) 3.2.4 b) . (7) , . , , . D 1805:2003 4 (8) a) , . b) , 30 . c) (5B) . (9) . (10) 250 mL 50.0 mL . (11) 4, 30
6、 . (12) , . (13) , 30 1 . (14) a) 800840 nm 810 nm . b) . c) 5 %, 2.5 %, 1 % . d) 2.5 %, 5 %, 20 %, 20 % (10 mL) . (15) 0.1 g (0.2 mg Si/mL) 050.0 mL(01.0 % Si ) 3.2.4 a) , . 2003 5 25 135 513 701 7 (02)6009 4567 (02)6009 4887 8 http:/standard.ksa.or.kr 607 822 1 11( 10 ) (051)557 1239 702 012 2 174
7、1( 3 ) (053)384 1562 4 402 714 989 1( 11 ) (032)420 0120 3 442 270 111 8( 9 ) (031)259 7000 9 200 041 1 9( 4 ) (033)252 9423, 254 9423 361 802 1508 1( 6 ) (043)236 2451 3 305 343 23 14( 5 ) (042)864 2301 3 561 841 1 337 2( 7 ) (063)214 2235 7 506 301 621 15( 5 ) (062)953 1435 7 641 740 7 4( 501 ) (0
8、55)266 4744 6 683 804 758 2( 2 ) (052)289 6601 3 425 852 773 9( 4 ) (031)492 5780, 8451 2 730 350 92 30( 8 ) (054)473 6954 480 848 2 487 6( 3 ) (031)829 8182 4 KOREAN STANDARDS ASSOCIATION KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKS D 1805: 2003 Determination of silicon in iron and steel ICS 71.040.40