KS E ISO 7764-2010 Iron ores－Preparation of predried test samples for chemical analysis《铁矿石 化学分析用预干燥试样的制备》.pdf

1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 7764 KS E ISO 7764 :2010 2010 10 29 http:/www.kats.go.krKS E ISO 7764:2010 : ( ) ( ) () () ( ) : () () : (http:/www.standard.go.kr) ： ：2003 11 29 ：2010 10 29 2010-0482 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 7764:2010 Iron ores

2、Preparation of predried test samples for chemical analysis 2006 2 ISO 7764, Iron oresPreparation of predried test samples for chemical analysis . 1 , , . . a) ( ) b) 0.2 % c) 2.5 % 1 . KS E ISO 2596 . 2 KS E ISO 2596 . 2 . . ( ) . KS E ISO 2596, KS E ISO 3082, 3 105 . KS E ISO 7764:2010 2 4 . 4.1 ,

3、0.000 1 g . 4.2 , (4.3) 105 2 . 4.3 , 10 mL, 6 g , 50 mm . . (ground-glass) . 105 2 . 4.4 , 105 4 . 4.5 , , 150 mm250 mm , (stopcock) . . 150 g200 g (4.4) . 5 KS E ISO 3082 100 m . . 6 105 2 (4.3) , (4.5) . 10 g , (6. ) . . 105 2 2 (4.2) . , , 2030 . , 0.000 1 g(m 1 ) . . , (m 2 ). m 1 m 2 . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS E ISO 7764 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron ores Preparation of predried test samples for chemical analysis ICS 73.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr