KS D 1808-2003 Determination of nickel in iron and steel《钢铁中镍含量的测定方法》.pdf

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1、 2003 5 31 D 1808 2003 1971 10 30 2003 5 31 03 569 ( ) ( 02 509 7249) . 7 5 , . ICS 77.080.10 KS D 1808 2003 Determination of nickel in iron and steel . . . KS D 1801 KS L 2302 KS M 0015 KS M 7602 KS M 8001 3 . 0.05 % . 0.05 % . 1.0 % . , , pH Cu PA N , EDTA . 250 g 600 mL , 1 mL 1L . KS M 8001 . KS

2、 M 0015 . 1 g( 1 ) (400 mL) (1 1) 60 mL( 2 ) , . (1 1) 10 mL . D 1808 2003 200 mL , 20 mL , 1 mL (5 B) , (1 1) . (1 1) 60 80 , 20 mL . 30 . (5 A) , 5 . (1 2) 30 mL (400 mL) , . 150 mL , Cu PA N 5 , 10 mL( 2 ) , 0.02 mol/L EDTA , . S V 4 0.117 Ni = V 0.02 mol/L EDTA (mL) S (g) ( 1 ) 3.5 % , 0.035 % .

3、 ( 2 ) 0.5 % (1 3) 50 mL . , , . 250 g 600 mL , 1 mL 1L . 1 g ( 1 ) (400 mL) (1 1) 60 mL( 2 ) . (1 1) 10 mL , . 200 mL , 20 mL , 1mL . (5 B) , (1 1) . (1 1) 60 80 , 20 mL . , 30 . (G3) . 110 120 . , , . 2 D 1808 2003 S B A 20.32 Ni = A (g) B (g) S (g) , , , 530 nm . (20 %) 100 mL 6.4 g 500 mL . 10 g

4、 (1 %) 1L . ( 3 ) 1 g (300 mL) 20 mL , . 15 mL . . 50 mL (5 B) . . (250 mL) . 10 mL (100 mL) , 10 mL . 10 mL . 2 mL , 3 mL . 530nm ( 4 ) , , . 100 Ni = C S B A A (g) B (g) S (g) C ( 3 ) 5 % (300 mL) , 10 mL , 1g 3 . 50 mL (5 C) , . 3 % (300 mL) , (1 9) 300 mL 1 g . 50 mL (5 A) . . 3 D 1808 2003 30 %

5、 10 mL (100 mL) , . 2 % (100 mL) 10 mL , 10 mL 10 mL , (1 %) 5 mL , 2 mL . 3 mL , . , . ( 4 ) . 4 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 )

6、 (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 ) (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 KSKSKS SKSKS KSKS SKS KSKS SKSKS KSKSKS 2003 ICS 77.080.10