1、 KS E ISO 8541KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS E ISO 8541 : 2003 (2008 ) 2003 6 27 http:/www.kats.go.kr : ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 6 27 : 2008 6 30 2008-0345 : ( 02-503-7967) . (http:/www.kats.go.kr) 10 5 , . ICS 73.060.20 KS E ISO 8541: 2003(2008 ) Mangan
2、ese and chromium ores Experimental methods for checking the bias of sampling and sample preparation 1986 1 ISO 8541 Manganese and chromium ores Experimental methods for checking the bias of sampling and sample preparation , . 1. . 2. . . KS E ISO 4296 1 1: KS E ISO 4296 2 2: 3. 3.1 . 3.2 ( 2 ) ( 1 )
3、 . 5 % . 3.3 , . 3.4 10 10 . 3.5 1 2 , . , 1 , 2 . 2 , 1 2 . 3.6 1 2 , . 1 2 . . 4. 4.1 4.1.1 4.1.1.1 4.1.1.5 . E ISO 8541: 2003 2 4.1.1.1 1 . 2 . 4.1.1.2 1 . . 2 . 4.1.1.3 1 . 4.1.1.1 1 . 2 . 4.1.1.4 1 , . 2 . 4.1.1.5 1 1 4.1.1.1 . 2 . 4.1.2 2 1 , 2 . 1 1 , 2 2 . 4.1.3 2 , . 4.1.4 1 2 . , 3 . 4.1.5
4、 4 . 4.2 4.2.1 . 1 . 2 . 1 2 . , . 1 , 2 . 4.2.2 , 1 1 , 2 2 . 4.2.3 4 . 5. 2 , 1 2 t . FE ISO 8541: 2003 3 t . 5.1 5.1.1 . di xBi xAii 1, 2, , k(1) xAi, xBi: 1 1 i B B i . di: xBi xAi i k: 1 2 5.1.2 . =idkd1(2) d : k . 5.1.3 . )/)(1 22kddViid=(3) Vd: : 5.1.4 to t . kVdtd/o= (4) 5.1.5 t (, 0.05) 5 %
5、 t 1 . 5.1.6 t(, 0.05) to . | to| VB (10a) . Fo VB/VAFo 1(10) Fo VA/VBFo 1 (10a) 5.2.1.6 B A 5 % F , F (, , 0.05) . 5.2.1.7 F(, , 0.05) Fo 2 . , Fo0 0 ()=kddViid/122=kVdtd/o. t (, 0.05) . to (, 0.05) t : . =i1dkdE ISO 8541: 2003 7 4 t- ( ) : : ( ) : ( % ) 2 1 xBiXBiX2BixAiXAiX2Ai1. 2. n. xBiXBiX 2Bi
6、xAiXAiX 2Ait =Bx =Ax SB . SA . t t (2, 0.05) to (2, 0.05). t : 135513 7017 (02)60094867 (02)6009 4887 8 http:/ KS E ISO 8541 : 2003 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Manganese and chromium oresExperimental methods for checking the bias of sampling and sample preparation ICS 73.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr
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