KS E ISO 10204-2007 Iron ores-Determination of magnesium-Flame atomic absorption spectrometric method《铁矿石 镁含量测定 火焰原子吸收光谱法》.pdf

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1、 KS E ISO 10204KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS E ISO 10204: 2007 2007 8 30 http:/www.kats.go.krKS E ISO 10204: 2007 : () ( ) () ( ) : (http:/www.standard.go.kr) : :2002 11 30 :2007 8 30 2007-0591 : : ( 02-509-7274) (http:/www.kats.go.kr ). 7 5 , . KS E ISO 10204: 2007 Iron oresDeterminat

2、ion of magnesium Flame atomic absorption spectrometric method 2006 2 ISO 10204, Iron ores Determination of magnesium Flame atomic absorption spectrometric method , . 1 . , 0.250.35 % (m/m) . 2 . . KS E ISO 3082, KS E ISO 7764, KS L ISO 648, KS L ISO 1042, 3 . . . . . . KS E ISO 10204: 2007 2 3 . 4 ,

3、 . 4.1 (Na2CO3) 4.2 ( 1.19 g/mL) 4.3 ( 1.19 g/mL) 1 9 . 4.4 ( 1.4 g/mL) 4.5 1.13 g/mL, 40 %(m/m) 1.185 g/mL, 48 %(m/m) 4.6 ( 1.84 g/mL) 1 1 . 4.7 99.9 %(m/m) 0.000 2 %(m/m) . 10 g (4.2) 50 mL . (4.4) 1 . . (4.2) 20 mL 200 mL . (4.1) 17 g . . 1 000 mL . 4.8 (LaCl3 xH2O) 0.002 %(m/m) . 50 g (4.2) 50 m

4、L 300 mL . 1 L . 4.9 (15 g Mg/mL) 99.9 %(m/m) 0.300 0 g 1 3 ( 1.19 g/ mL) 75 mL . , 1 000 mL . . 10 mL 200 mL . . 4.10 (4.9) 2.0 mL, 5.0 mL, 10.0 mL, 20.0 mL, 40.0 mL 50.0 mL 200 mL ( ). (4.2) 6 mL, (4.7) 60 mL (4.8) 40 mL . . 200 mL 60 mL 0 . (4.2) 6 mL 40 mL . . KS E ISO 10204: 2007 3 . 5.3 . , .

5、5 KS L ISO 648 KS L ISO 1042 . 5.1 30 mL . 5.2 1 100 . 5.3 . . a) (4.10 ) 0.3 . b) 20 % ( ) 20 % 0.7 . c) 0 ( .) 1.5 % 0.5 % . 1 a), b) c) . 2 . . . (mA) 15 (nm) 285.2 (L/min) 22 (L/min) 4.2 , . 6 6.1 KS E ISO 3082 100 m . 160 m . KS E ISO 10204: 2007 4 KS E ISO 7764 . 6.2 . . KS E ISO 7764 (1052) (

6、 ). 7 7.1 A 2 . “ ” . , . 7.2 6.2 1 g 0.000 2 g . . 7.3 1 1 . . 6.2 . , . , . . 7.4 7.4.1 (7.2) 250 mL . mL . (4.2) 25 mL . . (4.4) 2 mL . . 30 105110 . (4.2) 5 mL . 50 mL . KS E ISO 10204: 2007 5 250 mL . . (4.3) 3 . (5.1) . 100 mL . 7.4.2 (500800 ) (5.1) . , (4.6) 34 (4.5) 10 mL . . . 700 . (4.1)

7、1.0 g ( ) . (5.2) (15 1 100 ). , (4.1) 2 g . (4.7) (4.2) 2 . 7.4.3 (7.4.1 ) . ( 1 ). 1 ( .), 200 mL . 200 mL . ( 1 ) 200 mL . (4.8) 40 mL . (4.7) (4.2) 1 . ( 2 )( .). 200 mL . (4.8), (4.7) (4.2) . ( .). 2 1 . , . 2 mL . . , (4.7) (4.2) . 1 wMg, % mL g ( 4.7) mL ( 4.2)mL 0.01 wMg 0.1 0.1 wMg 0.25 0.2

8、5 wMg 1.25 1.25 wMg 3.00 60 40 10 2 0.30 0.20 0.05 0.01 40 50 60 60 4 4 6 6 KS E ISO 10204: 2007 6 7.4.4 (285.2 nm) . . . 10 (4.10 ) . 5.3 . . 0 . 7.4.5 (4.10) (7.4.3 ) , 0 . . , . 2 . , . 0 . . (g Mg/mL) . g Mg/mL . 8 8.1 wMg(%, m/m) . 00010200MgMgmw 50Mgm(1) Mg: (g/mL) m: 200 mL (g) 8.2 8.2.1 . r

9、0.021 7 X 0.027 0 (2) P 0.118 4 X 0.010 2 (3) KS E ISO 10204: 2007 7 r 0.007 7 X 0.009 5(4) L 0.041 9 X 0.006 1 (5) X : , . (2) (4): (3) (5): (8.2.3) r : ( ) P : r : L : 8.2.2 . , 10 . nNnssAA2r2LcWc2Wc2Lcc2 (6) Ac : A : sLc : sWc : nWc : Nc : n : ( n 1) L r : 8.2.1 . (6) , Ac A , . . . 8.2.1 (2) r

10、1 A . . . . a) 2Wcs / nWc sLc . b) KS E ISO 10204: 2007 8 . nAA2r2Lc22 (7) 8.2.3 A . . a) 5 . b) 5 0 , 5 1 . c) 5 0 5 , 0, 2, 4, 6, 8 5 , 1, 3, 5, 7, 9 1 . 8.3 . wMgO(%) 1.658 wMg(%) 9 . a) b) c) d) e) f) g) KS E ISO 10204: 2007 9 A ( ) r: 8.2.1 . x1, x2 | x1 x2 | r | x1 x2 | 1.2 r x3, x4 x1, x2, x3

11、, x4 1.3 r x4 x1, x2, x3 1.2 r x3 4321, xxxxx = 221xxx+=3321xxxx+=44321xxxxx+=KS E ISO 10204: 2007 10 B ( ) 8.2.1 12 34 6 19711973 . C . B.1 . 1 ( ISO/TC 102/SC 2N 241, 1972 1 ) ISO/ TC 102/SC 2 ISO/TC 102 . 2 ISO 5725 . B.1 % (m/m) Bomi Hill Canadian ore Sweden No. 7 ore Minette ore Philippine iron

12、 sand ASTM No.4 ore 0.30 0.32 0.59 0.99 1.29 3.12 KS E ISO 10204: 2007 11 C ( ) 8.2.1 . C.1 X (%) % (m/m) 135513 7017 (02)60094114 (02)600948878 http:/ KS E ISO 10204: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron oresDetermination of magnesiumFlame atomic absorption spectrometric method ICS 73.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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