KS E ISO 9685-2012 Iron ores－Determination of nickel and or chromium contents－Flame atomic absorption spectrometric method《铁矿石 镍和 或铬含量的测定 火焰原子吸收光谱法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 9685 / KS E ISO 9685： 2012 2012 9 14 http:/www.kats.go.krKS E ISO 9685:2012 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ：2002 11 30 ：2012 9 14 2012-0436 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 9685:2012 i ii 1 1 2 1 3 1 4 2

2、5 3 6 4 6.1 4 6.2 .4 7 4 7.1 4 7.2 4 7.3 4 7.4 5 7.5 .5 8 .7 8.1 7 8.2 .8 8.3 10 9 .10 A( ) 11 B( ) .12 C( ) .13 KS E ISO 9685:2012 ii 1991 1 ISO 9685, Iron oresDetermination of nickel and/or chromium contentsFlame atomic absorption spectrometric method . KS E ISO 9685:2012 / Iron ores Determination

3、 of nickel and/or chromium contentsFlame atomic absorption spectrometric method 1 / . , / 0.003 % 0.1 %1) . 2 . . ( ) . KS E ISO 3082, KS E ISO 7764, KS L ISO 648, KS L ISO 1042, ISO 3081, Iron ores Increment sampling Manual method ISO 3083, Iron ores Preparation of samples Manual method 3 . 4- 2- .

4、 . . . - - . 1) 0.056 % . KS E ISO 9685:2012 2 . 4 , . 4.1 (Na2Co3), 4.2 (Na2B4O7), 4.3 (Li2B4O7), 4.4 ( 1.16 1.19 g/mL) 4.5 (2 1) 4.6 (1 1) 4.7 (2 100). 4.8 ( 1.4 g/mL) 4.9 (1 1) 4.10 , 1.13 g/mL, 40 %( ) 1.19 g/mL, 48 %( ) 4.11 ( 1.84 g/mL) 4.12 (1 1). 4.13 4- -2- ( , MIBK) 4.14 A(100 g /mL) 99.9

5、%( )(4.18 ) 0.100 0 g (4.9) 30 mL . 1 000 mL . . 4.15 B(10 g/mL) A(4.14) 100.0 mL 1 000 mL . . 4.16 A(100 g/mL) 99.9 %( )( 4.18 ) 0.100 0 g (4.6) 20 mL . 1 000 mL . . KS E ISO 9685:2012 3 4.17 B(10 g/mL) A(4.16) 100.0 mL 1 000 mL . . 4.18 (4.6) 30 mL, (4.12) 0.2 mL (4.1) 0.8 g (4.2) 0.4 g 200 mL . .

6、 A(4.14) 10.0 mL A(4.16) 10.0 mL . 100 mL . . , . 5 KS L ISO 648 KS L ISO 1042 . 5.1 25 mL . 5.2 5.3 - - . . a) (7.5.4 ) 0.3 . b) 20 % ( ) 20 % 0.7 . c) ( ) 1.5 % 0.5 % . 1 . 2 . . - . KS E ISO 9685:2012 4 (Ni) (Cr) (mA) 10 10 (nm) 232.0 357.9 (L/min) 10 (L/min) 2.5 5 (L/min) 10 , . 6 6.1 ISO 3081 K

7、S E ISO 3082 KS E ISO 3082 ISO 3083 100 m . 160 m . 1 KS E ISO 7764 . 2 / . 6.2 . . KS E ISO 7764 (1052 ) ( ). 7 7.1 A 2 . “ ” . , . 7.2 , . 7.3 KS E ISO 9685:2012 5 6.2 1 g 0.000 2 g . . 7.4 1 1 . . 6.2 . , . , . . 7.5 7.5.1 (7.3) 250 mL (tall) mL . (4.4) 25 mL (4.11) 100 1 . 1 . 2 10 mL . (4.8) 5

8、mL (4.12) 0.2 mL 15 . 3 , (4.12) . 4 . . (4.6) 20 mL . . (0.3 0.4 g ) (5 C) 200 mL . . (4.7) . 34 . 200 mL . (5.1) . 7.5.2 . (4.5) 15 mL 200 mL . KS E ISO 9685:2012 6 (4.5) 20 mL . 4- 2- (4.13) 50 mL 1 . 200 mL . (4.5) 10 mL 30 . 200 mL . . 4- 2- . (4.8) 5 mL . (4.6) 20 mL . 7.5.3 (500 800 ) (5.1) .

9、 12 . (4.11) 3 (4.10) 5 mL . . 800 . (4.1) 0.8 g (4.2) 0.4 g 1.2 g . (5.2) 15 1 000 . (4.3) (4.2) . , (7.5.4) (7.5.5) . . (4.6) 10 mL . 7.5.2 . 100 mL . ( ). 7.5.4 6 200 mL (4.6) 30 mL, (4.12) 0.2 mL (4.1) 0.8 g (4.2) 0.4 g . . A(4.14 4.16) B(4.15 4.17) 0 mL, 1.0 mL, 3.0 mL, 5.0 mL, 7.0 mL 10.0 mL .

10、 . 6 100 mL . . A 0g/mL 10 g/mL B 0g/mL 1 g/mL . 7.5.5 7.5.5.1 A(4.14) 7.5.4 . 7.5.5.2 KS E ISO 9685:2012 7 (4.18) . 7.5.6 5.3 . (232.0 nm) / (357.9 nm) . . 10 . (7.5.4) , . . (7.5.5) 0.004 . 1020 % . , 5.3 . . . 7.5.7 (7.5.4) (7.5.3) , (7.5.4) . . . . g Ni/mL g Cr/mL . g Ni/mL g Cr/mL . 5.3 b) , .

11、. (g/mL) . . 8 8.1 wNi or Cr(%, ) . 100101006CrorNiCrorNi=mwKS E ISO 9685:2012 8 m01.0CrorNi= (1) Ni or Cr： (g/mL) m： (g) 8.2 8.2.1 . r 0.029 1X 0.000 7 (2) P 0.089 5 X 0.001 1. (3) r 0.010 3 X 0.000 2 (4) L 0.030 7 X 0.000 3 . (5) r 0.049 3 X 0.000 5 (6) P 0.102 2 X 0.000 2. (7) r 0.017 3 X 0.000 2

12、 (8) L 0.034 4 X. (9) X ： , . (2), (4), (6) (8)： (3), (5), (7) (9)： (8.2.3) r： ( ) P ： r ： L ： 8.2.2 . 10 . KS E ISO 9685:2012 9 nNnSSAA2r2cWc2Wc2LccL2 + . (10) Ac ： A ： sLc ： sWc ： nWc ： Nc ： n ： ( n 1) L r： 8.2.1 . (10) , Ac A , . . . (2) (6) r 1 A . . . . a) Wc2Wc/ ns sLc . b) . n222r2Lc + AA . (

13、11) 8.2.3 A . . a) 5 , . b) 5 0 , 5 1 . KS E ISO 9685:2012 10 c) 5 0 5 , 0, 2, 4, 6, 8 , 1, 3, 5, 7, 9 1 . 8.3 . (%)5272.1(%)NiNiOww = (%)5461.1(%)CrOCr32ww = 9 . a) b) c) , KS E ISO 9685 d) e) f) g) KS E ISO 9685:2012 11 A ( ) r： 8.2.1 . x1, x2 | x1 x2| r | x1 x2| 1.2 r x3, x4 x1, x2, x3, x4 1.3 r

14、4321, xxxxx44321xxxxxx4 x1, x2, x3 1.2 r 3321xxxx221xxxx3 KS E ISO 9685:2012 12 B ( ) 8.2.1 6 15 5 1986 . C . B.1 . 1 ( ISO/TC 102/SC 2N 842E 1986 11 ) ISO/TC 102/SC 2 ISO/TC 102 . 2 KS A ISO 5725-2 . B.1 %() %() Hamersley hematite 0.002 0.004 Savage River pellets 0.049 0.012 Swaziland 0.017 0.056 S

15、intered ore 0.011 0.016 Inco-based ore 0.084 0.019 KS E ISO 9685:2012 13 C ( ) C.1 8.2.1 . C.1 X (%) % ( )KS E ISO 9685:2012 14 C.2 X (%) % ( ) / 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E ISO 9685:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron oresDetermination of nickel and/or chromium contents Flame atomic absorption spectrometric method ICS 73.060.10