1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E 3056 KS E 3056:2011 2011 11 2 http:/www.kats.go.krKS E 3056:2011 : ( ) ( ) () ( ) : () () : (http:/www.standard.go.kr) : :1969 9 24 :2011 11 2 2011-0470 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E 3056:2011 i 1 1 2 1 3 .1 4 2 4.1 .2 4.2 .3
2、4.3 .3 4.4 .4 4.5 .4 4.6 4 4.7 .5 4.8 5 A( ) .7 A.1 .7 A.2 .7 A.3 .7 A.4 .7 A.5 .7 A.6 8 A.7 8 KS E 3056:2011 General rules for chemical analysis of chromium ores 1 . , , ( , , , ) . , . 2 . . ( ) . KS A ISO 5725 1, ( ) 1: KS A ISO 5725 3, ( ) 3: KS A ISO 5725 6, ( ) 6: KS D 1779, KS E ISO 6153, KS
3、E ISO 6154, KS E ISO 8530, KS E ISO 8531, KS M 0001, KS M 0012, KS M 0013, KS M 0016, KS M 0034, , , KS M 0126, ( ) KS Q 5002, 1: ISO 6129, Chromium ores Determination of hygroscopic moisture content in analytical samplesGravimetric method 3 KS E 3056:2011 2 KS A ISO 5725 1, KS E ISO 8530, KS E ISO
4、8531, KS M 0001, KS M 0126 . 3.1 , . , . 3.2 . . 3.3 (within-laboratory-reproducibility condition) , , ( ), 1)3.4 (within-laboratory-reproducibility limit) 2 95 % . . 3.5 (reproducibility condition) , 3.6 (reproducibility limit) 2 95 % . 4 KS D 1779, KS M 0001, KS M 0012, KS M 0016 KS M 0034 , . 4.1
5、 4.1.1 . 4.1.2 . , . 4.1.3 / . 1)“ ” KS A ISO 5725 3 “ ” .KS E 3056:2011 3 4.1.4 . 4.1.5 “ ( )” , 60 . “ ( )” , (40 60) . 4.1.6 (1 1), (1 2), (1 5) , , 2 . 4.1.7 . a) % 100 g (g) . b) g/L 1 L (g) . c) % 100 mL (mL) . d) mol/L 1 L (mol) . 4.1.8 3 . 4.2 . 4.2.1 0.1 mg . 4.2.2 ( , , , ) , . 4.2.3 , . 4
6、.3 ( , .), (105 110) ( , .) . (105 110) , KS E ISO 8530 KS E ISO 8531 . 6 . KS E 3056:2011 4 , , , . . 4.4 4.4.1 , 2 ( , 3 ) 2) . 4.4.2 , , . 2 , “ ” 0.71 ( ) . , . 4.4.3 , 2 A . , 1 . K 3 , K . AK-=100100 A: A ( %) 4.5 (g) ( , , ) . 1, 2 . 4.6 2) . , .KS E 3056:2011 5 . a) b) c) d) e) 4.7 4.7.1 . 4
7、.7.2 3) , 1 KS Q 5002 . 1 4.8 4.8.1 . “ ( ) ” . 2 , , . 4.8.2 a) 2 2 , CR0.95(2) , 2 3) .KS E 3056:2011 6 . b) 2 2 , , 2 . 2 2 4 (Xmax Xmin) n 4 95 % ( )CR0.95(4)4) , 4 . c) b) 4 n 4 , 4 5) . 4.8.3 2 2 . 4.8.4 a) 2 , 4.8.2 , 2 . , 2 . b) 2 4.8.2 , 2 . KS A ISO 5725 6 5.3.3 5.3.4 . 4) n 2 CR 0.95(2)
8、, n 4 CR 0.95(4) CR 0.95(2)3.6/2.8 (KS A ISO 5725 6 ).5) (median) , 2 3 .KS E 3056:2011 7 A ( ) 1981 1 ISO 6129, Chromium ores Determination of hygroscopic moisture content in analytical samples Gravimetric method . . A.1 . , . A.2 (105 110) . A.3 . A.3.1 , 5 cm . A.3.2 , (105 110) . A.4 KS E ISO 61
9、53 KS E ISO 6154 6). 0.1 mm ( . ) . A.5 A.5.1 (105110) (A.3.2) (A.3.1) 5 g , 0.1 mg . 6) ISO 6129 , 2003 KS E ISO 6153, KS E ISO 6154 . KS E 3056:2011 8 A.5.2 (A.5.1) , (105110) (A.3.2) . 1 , (20 30) . . (30 ) , 0.5 mg . , , . A.6 A.6.1 ( %) 4 , KS Q 5002 2 . 021100)(mmmHm-= Hm: ( %) m0 : (g) m1 : ,
10、 (g) m2 : , (g) A.6.2 2 : % () 0.1 0.2 0.02 0.2 0.4 0.03 0.4 0.8 0.05 0.8 1.6 0.08 1.6 3.2 0.12 3.2 5.0 0.20 A.7 . a) b) KS E 3056:2011 9 c) d) e) , 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E 3056:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS General rules for chemical analysis of chromium ores ICS 71.040.40
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