1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 2598 2 2 : KS E ISO 2598 2: 2012 2012 9 14 http:/www.kats.go.krKS E ISO 2598 2:2012 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :2002 10 30 :2012 9 14 2012-0436 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 2598 2:2012 i ii 1 1 2
2、1 3 1 4 2 5 3 6 3 6.1 3 6.2 .3 7 3 7.1 3 7.2 3 7.3 4 7.4 .4 7.5 .5 8 .6 8.1 .6 8.2 .6 8.3 7 9 .8 A( ) 9 B( ) 10 C( ) .11 KS E ISO 2598 2:2012 ii 1992 1 ISO 2598 2, Iron ores Determination of silicon content Part 2: Reduced molybdosilicate spectrophotometric method . KS E ISO 2598 2:2012 2 : Iron ore
3、s Determination of silicon content Part 2: Reduced molybdosilicate spectrophotometric method 1 . , 0.1 % 5.0 % , . . 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、( ) . . . 600 nm . KS E ISO 2598 2:2012 2 4 , . 4.1 (Na2B4O7), 4.2 (KNO3) 7.4.1 2 . 4.3 (4.1) 30 g (4.2) 0.5 g (Na2CO3)/ (K2CO3) (1 1) 100 g . 4.4 (1 1) 4.5 (NH4)6Mo7O24 4H2O(120 g/L) 4.6 (C2H2O4 2H2O)(50 g/L) 4.7 (1 3) 4.8 (C6H8O6)(20 g/L) . 4.9 3 % 30 % 1 9 . 7.4.1 5 . 4.10 (50 g/mL) 1 050 53.5 mg
5、0.1 mg . (III) 400 mg (4.1) 4 g (4.3) 4 g . 1 100 (7.4.1 ) . (4.4) 200 mL 500 mL . . 4.11 (4.10) 4.10 (4.1) (4.3) 4 g (III) 400 mg . KS E ISO 2598 2:2012 3 5 KS L ISO 648 KS L ISO 1042 . 5.1 30 mL . 5.2 1 100 . 5.3 600 nm . 6 6.1 ISO 3081 KS E ISO 3082 KS E ISO 3082 ISO 3083 100 m . 160 m . KS E ISO
6、 7764 . 6.2 . . KS E ISO 7764 (1052) ( ). 7 7.1 A 2 . “ ” . , . 7.2 6.2 0.5 g 0.000 2 g . KS E ISO 2598 2:2012 4 . 7.3 1 1 . . 6.2 . , . , . . 7.4 7.4.1 (7.2) (5.1) (4.1) (4.3) 4 g ( 1 2 ). 1 100 (5.2) . ( 3 ). ( 4 ) (4.4) 200 mL 600 mL 90 ( 5 ). , 500 mL ( ). 1 (4.1) (4.3) 2 g . 2 g . 2 (4.1) (4.2)
7、 0.1 g . 3 . 15 . . 4 , . . 5 . (4.9) . KS E ISO 2598 2:2012 5 7.4.2 7.4.1 . . , . 500 mL . 7.4.3 5.0 mL 100 mL . (4.4) 2 mL (4.5) 5.0 mL . 5 (4.6) 10.0 mL, (4.7) 5.0 mL (4.8) 5.0 mL . 3 . 1 . . 5 10 mm . 600 nm . . . 1 cm 0.55 Hg 578 0.250 mg Si/100 mL. 7.5 , 1 (4.10) 1 (4.11) 5.0 mL . , . 7.4.3 0
8、. 10 mm ( %) . Z . 1 ( 4.10) mL ( 4.11) mL 5 mL Si mg 0.50 g Si % 0.00 0.10 0.20 0.50 1.00 3.00 5.00 5.0 4.9 4.8 4.5 4.0 2.0 0.0 0.00 0.005 0 0.010 0.025 0.050 0.150 0.25 0.0 0.10 0.20 0.50 1.00 3.00 5.00 KS E ISO 2598 2:2012 6 8 8.1 , wSi( %) . mAw10Si= (1) A: (7.4.2) 1 cm m: (g) 8.2 8.2.1 . r 0.02
9、0 9 X 0.014 8. (2) P 0.026 4 X 0.115 1 (3) r 0.007 4 X 0.005 2 . (4) L 0.007 8 X 0.041 7. (5) X : % ( ) . (2) (4): (3) (5): (8.2.3) r : 1 ( ) P : r : L : 8.2.2 . , 10 , . nNnssAArLcWcWcLcc22222 + . (6) Ac: A : sLc : KS E ISO 2598 2:2012 7 sWc : nWc : Nc : n : ( n 1) L r: 8.2.1 . (6) , |Ac A| , . . .
10、 8.2.1 (2) r 1 A . . . . a) WcWcns /2 sLc . b) . nAArLc2222 + (7) 8.2.3 A . , . a) 5 , . b) 5 0 , 5 1 . c) 5 0 5 , 0, 2, 4, 6, 8 , 1, 3, 5, 7, 9 1 . 8.3 . (%)139.2(%)SiSiO2ww = KS E ISO 2598 2:2012 8 9 . a) b) c) , KS E ISO 2598 2 d) e) f) g) KS E ISO 2598 2:2012 9 A ( ) r: 8.2.1 . x1, x2 x3 x4 x3,
11、x4 | x1 x2| r | x1 x2| 1.2 r x1, x2, x3 1.2 r x1, x2, x3, x4 1.3 r x x1, x2, x3, x4 221xxx+=3321xxxx+=44321xxxxx+=KS E ISO 2598 2:2012 10 B ( ) 8.2.1 12 33 5 1970 1971 . C . B.1 . B.1 % Palabora ore Philippine iron sand Swedish ore UK sinter Krivo Rog ore 0.20 1.06 3.95 7.85 12.95 1 ( ISO/TC 102/SC
12、2 N 225 1971 6 ) ISO/TC 102/SC 2 ISO/TC 102 . 2 KS A ISO 5725 . KS E ISO 2598 2:2012 11 C ( ) C.1 8.2.1 . C.1 X r P r L(%) %( ) 2 : 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E ISO 2598 2:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron oresDetermination of silicon contentPart 2: Reducedmolybdosilicate spectrophotometric method ICS 73.060.10