KS D 1809-2003 Determination of molybdenum in iron and steel《钢铁中钼含量的测定方法》.pdf

1、 2003 5 31 D 1809 2003 1963 12 28 2003 5 31 03 569 ( ) ( 02 509 7249) . 7 5 , . ICS 71.040.40 KS D 1809 2003 Determination of molybdenum in iron and steel . . KS D 1801 KS M 0012 KS M 7602 KS M 8001 2 . 0.03 % . 0.4 % . , , . , 500 . , . FeSO 4 (NH 4 ) 2 SO 4 6H 2 O 100 g (1 1) 100 mL 1 L . (C 14 H

2、13 NO 2 ) 10 g 500 mL . (2 %) 40 mL (1 99) 1 L . . ( 1 ) (300 mL) , (1 5)( 2 ) 40 mL , 5 mL . 50 mL , (5 B) (1D 1809 2003 50) , (300 mL) . 100 mL , 25 5 10 mL . 10 ( 3 ) 10 mL . 0.01 g 5mL , ( 4 ) ( 5 ). 10 , (5 A) . , (30 mL) , 500 ( 6 ) , ( 7 ). 5 mL , (5 B) , , 500 . , , ( 8 ). S W W 66.66 ) Mo =

3、 S (g) W 1 (g) W 2 (g) ( 1 ) . (%) (g) 0.03 1 2.0 1 3 1.0 3 0.5 ( 2 ) 20 50 mL , (60 %) 30 mL . 100 mL , ( ) 30 mL , (5 B) , (1 50) (300 mL) , . (1 5) 40 mL , 5 mL . (5 B) (l 50) (300 mL) . , 500 , 10 ( 1 1) . , , . 20 50 mL , 5 mL , . 10 mL , 50 mL 1 2 90 1 . (5 B) 2 D 1809 2003 (1 50) . , (300 mL)

4、 , (1 1) 10 mL , , . , . ( 2 ) ( ) (300 mL) , 20 mL 20 mL . , 30 mL . (50 %) 20 mL , (50 %) , . , 10 mL , (200 mL) . 20 mL (50 mL) , 10 mL (10 %) 10 mL . (10 %) 5 mL , . 10 25 10 460 nm , , . ( , ) 0.5 g (200 mL) , 20 mL . , 70 mL . (100 mL) . 0.5 g (200 mL) , (100 g Mo/mL) 0 30 mL , l0 mL . , 50 mL

5、 . (200 mL) , 20 mL (50 mL) , 10 mL (10 %) 10 mL . (10 %) 5 mL . ( 3 ) 10 . ( 4 ) , . ( 5 ) . ( 6 ) 500 . ( 7 ) . ( 8 ) . 100 0.667 Mo + = S W W W W 3 (g) , 3 D 1809 2003 n , 470nm . 2 (SnC1 2 2H 2 O) 36 g 20 mL , 100 mL . 1 . KS M 8001 . KS M 0012 . 0.25g ( 9 ) (200 mL) , 10 mL , 1 . ( 10 ) , (100

6、mL) 30 mL . 5 mL , 10 mL ( 11 ). 10 mL 2 , n 20 mL 1 . , 5 mL ( 12 ), . (2 ) , n , 470 nm ( 13 ), ( 14 ) , . 100 Mo = S A A (g) S (g) ( 9 ) 0.03 % , 0.075 mg . ( 10 ) 2 % 15 mL , . (100 mL) , 30 mL , . 15 mL , (50 %) 10 mL , (50 %) , . , 10 mL (200 mL) , 80 mL . 4 D 1809 2003 ( 11 ) . 3 . ( 12 ) , .

7、 ( 13 ) , , . 0.25 g (200 mL) , (10 mg W/mL) 0 5 mL , ( 10 ) . ( 14 ) 5 (200 mL) 0.25 g , 0, 1.0, 5.0, 10.0, 15.0 mL , 10 mL . , , , . 5 2003 6 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 1741( 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 3 561 200 1 337 2( 7 ) (063)214 2235 7 506 301 621 15( 5 ) (062)953 1435 7 641 740 7 4( 501 ) (055)266 4744 6 683 804 758 2( 2