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KS E ISO 8530-2003 Manganese and chromium ores－Experimental methods for checking the precision of sample division《锰矿石和铬矿石 检验试样组成部分精度的实验方法》.pdf

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1、 KS E ISO 8530KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS E ISO 8530 : 2003 (2008 ) 2003 6 30 http:/www.kats.go.kr : ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： : 2003 6 30 : 2008 6 30 2008-0345 : ( 02-503-7967) . (http:/www.kats.go.kr) 10 5 , . ICS 73.060.20 KS E ISO 8530： 2003(2008 ) Mangan

2、ese and chromium oresExperimental methods for checking the precision of sample division 1986 1 ISO 8530 Manganese and chromium ores Experimental methods for checking the precision of sample division , . 1. . 2. . . KS E ISO 4296 2 2： 3. 3.1 . 3.2 (% ) , (% Cr2O3) . . 3.3 . a) , b) c) d) e) 3.4 10 .

3、3.5 . 4. . a) b) 4.1 4.1.1 . 4.1.2 . E ISO 8530： 2003 2 4.1.3 1 . ( ) . 4.1.4 . 4.1.5 . 2 . 4.1.6 , . 4.1.7 1 . 4.2 4.2.1 . . 4.2.2 . 4.2.3 2 . 4.1.3 . 4.2.4 4.1.44.1.7 . 5. . 4.1 4.2 . 5.1 . =222111iixxrR (1) 21M/ dR= (2) xi21 xi22： i ： ： d2： ( d2 1.128) 5.2 . =21121iixxrR (3) =22121iixxrR (3) xi21

4、 , (3) . xi22 (3) . M2222D)/( = dR 1RME ISO 8530： 2003 3 ： (3) ： 5.3 , 0 ( 0 = ), . 6. . 3.3 . 1 4 ( ) 2RD E ISO 8530： 2003 4 2 ( ) ( ) ： ： ( ) ： ( 4.1 .) ： ( % ) xi1xi21xi22R1R21. 2. . . . k. 2221 iixx 211 iixx 221 iixx 1R 2R )128.1/(212M= R )128.1/(2M22D= R 135513 7017 (02)60094867 (02)6009 4887 8 http:/ KS E ISO 8530 : 2003 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Manganese and chromium oresExperimental methods for checking the precision of sample division ICS 73.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr

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