KS E ISO 4689-2007 Iron ores-Determination of sulfur content-Barium sulfate gravimetric method《铁矿石 硫含量的测定 硅酸钡重量法》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 4689 KS E ISO 4689: 2007 2007 10 31 http:/www.kats.go.krKS E ISO 4689: 2007 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 10 30 :2007 10 31 2007-0955 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 4689: 2007 Iron ores Determ

2、ination of sulfur content Barium sulfate gravimetric method 1986 1 ISO 4689, Iron ores Determination of sulfur content Barium sulfate gravimetric method . 1 . , 0.01 % (m/m)1.0 %(m/m) . 2 . . ( ) . KS E ISO 3082, KS E ISO 7764, ISO 3081, Iron ores Increment sampling Manual method ISO 3083, Iron ores

3、 Preparation of sample Manual method 3 , . . . . . 2 . . KS E ISO 4689: 2007 2 4 , . 4.1 (KCIO3), 4.2 (Na2CO3), 4.3 13 mm . 4.4 ( 1.16 1.19 g/mL) 4.5 ( 1.16 1.19 g/mL), 2 1 . 4.6 ( 1.16 1.19 g/mL), 1 1 . 4.7 ( 1.16 1.19 g/mL), 2 100 . 4.8 ( 1.4 g/mL) 4.9 1.13 g/mL, 40 %(m/m) . 1.185 g/mL, 48 %(m/m)

4、. 4.10 , (4.4): (4.8) 4 1 . , . 4.11 (BaCl2 2H2O)(100 g/L) ( )(BaCl2 2H2O) 100 g 1 L . . 2 . . . 4.12 , . (4.11) 10 mL . (4.7) 1 000 mL . 4.13 (NaNO3) 4.14 (Na2CO3)(20 g/L) . 4.15 (NH4SCN)(100 g/L) 4.16 (20 g/L) 4.17 (0.1 g/100 mL) KS E ISO 4689: 2007 3 0.10 g 100 mL . 4.18 CH3COCH2CH(CH3)2(4- 2- )

5、. 200 mL (4.6) 100 mL 500 mL . 1 . . 5 . 6 6.1 ISO 3081 KS E ISO 3082 KS E ISO 3082 ISO 3083 100 m . 160 m . KS E ISO 7764 . 6.2 . . KS E ISO 7764 (1052) ( ). 7 7.1 A 2 . “ ” . , . 7.2 1 1 . . 6.2 . , . , KS E ISO 4689: 2007 4 . . 7.3 1 (6.2) 0.000 2 g . . 1 (4.10) , wS% (m/m) g mL 0.01 wS0.1 0.1 wS

6、0.5 0.5 wS1.0 5.0 2.0 1.0 70 40 25 7.4 7.4.1 (7.3) 500 mL . (4.1) 1 g 3 mL 4 mL . 1 (4.10) . 150 . (4.4) 10 mL 30 110 . , (4.6) 30 mL . . 12 . 25 mL 5 . 500 mL . (4.15) (III) (4.7) . . . 7.4.2 (7.4.1) 10 mL . 200 mL . (4.5) 50 mL . (4.18) 50 mL 1 . 200 mL . (4.5) 10 mL 30 . . (4.5) 10 mL . . KS E IS

7、O 4689: 2007 5 (4.18) 50 mL 1 . 500 mL . (4.5) 10 mL 2 . . (4.10) 10 mL . (4.4) 10 mL 150 . (4.4) 10 mL 30 110 . , (4.4) 5 mL 30 mL . . 7.4.3 (4.13) 1 2 7.4.1 . 800 850 . (4.8) . (4.9) 5 mL . . , (4.9) 5 mL . , (4.2) 3 g 15 1 000 . 300 mL 100 mL . . 300 mL . (4.14) . (4.17) 0.5 mL . (4.6) . (4.6) 5

8、mL 7.4.2 . 7.4.4 25 mL . (4.6) 3 mL 50 mL . . 60 70 . (III) (4.3) 1.0 g (II) . 300 mL . 120 mL (4.7) . 60 70 (4.11) 5 mL . 5 . 2 60 70 . . . , . 1 (4.12) . (4.12) . . KS E ISO 4689: 2007 6 (4.16) . 7.4.5 7.4.4 . . 20 500 800 . . ( 0.000 1 g ) 800 . 8 8.1 wS(%, m/m) . 54321S1004137.0)()(mmmmmw 543217

9、4.13)()(mmmmm (1) m1 : (g) m2 : (g) m3 : (g) m4 : (g) m5 : (7.3) (g) 0.137 4: 8.2 8.2.1 . r 0.026 X 0.004 (2) P 0.027 X 0.006 (3) r 0.009 X 0.002 (4) L 0.007 X 0.002 (5) X : %(m/m) . (2) (4): (3) (5): (8.2.3) r : ( ) P : r : L : KS E ISO 4689: 2007 7 8.2.2 . , 10 . nNnssAAc2r2LWc2Wc2Lcc2| (6) Ac : A

10、 : sLc : sWc : nWc : Nc : n : ( n 1) L r : 8.2.1 . (6) , |Ac A| , . . . 8.2.1 (2) r 1 A . . . . a) Wc2Wc/ ns sLc . b) . nAAc2r2L22| (7) 8.2.3 A . , . a) 5 , . KS E ISO 4689: 2007 8 b) 5 0 , 5 1 . c) 5 0 , 5 0, 2, 4, 6, 8 , 1, 3, 5, 7, 9 1 . 9 . a) b) c) d) e) KS E ISO 4689: 2007 9 A ( ) r 8.2.1 . x1

11、, x2 x3x4x3, x4 |x1 x2|r |x1 x2|1.2 r x1, x2, x31.2 r x1, x2, x3, x41.3 r x x1, x2, x3, x4 221xxx3321xxxx44321xxxxxKS E ISO 4689: 2007 10 B ( ) 8.2.1 6 23 5 1974 1975 . C . B.1 . B.1 %(m/m) Nimba Kiruna D Rompin Texada Roasting residue (Purpurerz) 0.006 0.019 0.078 0.255 0.534 1 ( ISO/TC 102/SC 2N 4

12、40E 1976 4 ) ISO/TC 102/SC 2 ISO/TC 102 . 2 KS A ISO 5725 ( ) . KS E ISO 4689: 2007 11 C ( ) C.1 8.2.1 . C.1 X %(m/m) P r r L(%) 153787 1 92 3 (13 ) (02)26240114 (02)262401489 http:/ KS E ISO 4689: 2007 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron oresDetermination of sulfur contentBarium sulfate gravimetric method ICS 73.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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