KS E 3073-2011 Chromium ores-Method for determination of iron content《铬矿石的铁量测定方法》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E 3073 KS E 3073:2011 2011 11 2 http:/www.kats.go.krKS E 3073:2011 : ( ) ( ) () ( ) : () () : (http:/www.standard.go.kr) : :1992 12 31 :2011 11 2 2011-0470 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E 3073:2011 Chromium ores Method for determi

2、nation of iron content 1 . 2 . . ( ) . KS E 3056, KS M 8001, 3 KS E 3056 . 4 . 0.5 % , 32 % . , (II) . 5 5.1 . (III) (II) (II) , (III) (III) (II) , (III) . (II) . 5.2 KS E 3073:2011 2 . a) (1 1, 1 2, 1 10, 1 50) b) (1 1) c) ( 3, 3, 14) d) (20 g/L) e) f) (1 9) g) (0.5 g/L) h) (II) 200 mL (1 L) (II) 2

3、 100 g , 1 000 mL . . i) (III) ( 20 g/L) (III) (TiCl3 200 g/L) (1 1) 10 . j) (Fe: 5.585 g/L) 99.9 % 5.585 g (500 mL) , (1 2) 100 mL . , 5 mL . , . 1 000 mL . 1.00 mL mol/L601 1.00 mL . k) mol/L601 KS M 8001 5.5 w) mol/L601 . l) (1 g/L) 0.1 g (1 4) 100 mL . m) - 4- (2 g/L) - 4- 0.2 g 100 mL . 5.3 0.5

4、0 g , 0.1 mg . , KS E 3056 . 5.4 5.4.1 KS E 3073:2011 3 . a) (30 mL) , 5 g (12) g . , 700 5 . b) , (500 mL) . 100 mL , . c) 5 , . , (5 B) , (20 g/L) 1 , 1 . , , (1 1) 20 mL . (1 2) 3 , (1 50) . . b) . d) , 23 , . 5.4.2 (III) 5.4.1 d) 100 mL . , (1 10) (II) 5.2 h) (III) 1) , a) b) . , (II) 5.2 h) , (

5、1 9) . a) 5.2 l) 4 , (III) 5.2 i) , 23 . (0.5 g/L) . 70 5 , 70 15 . 20 300 mL . b) (III) 5.2 i) , 35 . , . , (1 1) 5 mL 5 . 10 300 mL 15 . 5.4.3 5.4.2 a) b) 30 mL - 4- 5.2 m) 0.2 mL , mol/L601 5.2 k) , mol/L601 5.2 k) 1) mol/L601 5.2 k) 20 .KS E 3073:2011 4 . 5.5 5.4.1 a) c) . 5.2 j) 1.00 mL , 5.4.1

6、 d) 5.4.3 . 5.6 5.6.1 . a) 5.3 . %100585005.0)00.1(21mFVVFe = Fe : ( ) V1 : 5.4.3 mol/L601 (mL) V2 : 5.5 mol/L601 (mL) F : mol/L601 m : (g) b) 5.3 . %100585005.0)00.1(21KmFVVFe = Fe : ( ) V1 : 5.4.3 mol/L601 (mL) V2 : 5.5 mol/L601 (mL) F : mol/L601 K : KS E 3056 4.4.3 m : (g) 5.6.2 (II) (II) . FeO F

7、e1.286 5 % KS E 3073:2011 5 FeO: (II) ( ) Fe : 5.6.1 ( ) 5.7 1 . , . 1 , . 1 : % 8.62 20.40 0.132 0.009 7(Fe) 0.086 1 (Fe) ( ) . 2 KS E 3056 4.8 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS E 3073:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Chromium oresMethod for determination of iron content ICS 71.040.40 Korean Agency for Technology and Standards http:/www.kats.go.kr

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