KS E ISO 12740-2011 Lead sulfide concentrates-Determination of silver and gold contents-Fire assay and flame atomic absorption spectrometric method using scorification or cupellati.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 12740 KS E ISO 12740:2011 2011 10 6 http:/www.kats.go.krKS E ISO 12740:2011 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ：2011 12 31 ：2011 10 6 2011-0128411 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 12740:2011 i iii 1 1 2 1 3 1

2、 3.1 .1 3.2 .2 4 2 5 .4 6 5 6.1 5 6.2 5 7 5 7.1 5 7.2 5 7.3 5 7.4 6 7.5 6 7.6 7 7.7 .7 7.8 .8 7.9 .9 7.10 9 7.11 10 8 .10 8.1 10 8.2 10 9 11 9.1 11 9.2 11 9.3 .11 9.4 12 10 .13 A( ) 14 A.1 .14 A.2 .14 A.3 .14 A.4 14 A.5 .14 A.6 .15 KS E ISO 12740:2011 ii B( ) 16 B.1 .16 B.2 .16 C( ) 17 C.1 .17 C.2 .

3、17 D( ) .18 E( ) 19 E.1 .19 E.2 19 E.3 19 E.4 19 F( ) 26 KS E ISO 12740:2011 iii 1998 1 ISO 12740, Lead sulfide concentrates Determination of silver and gold contents Fire assay and flame atomic absorption spectrometric method using scorification or cupellation , . KS E ISO 12740:2011 Lead sulfide c

4、oncentrates Determination of silver and gold contents Fire assay and flame atomic absorption spectrometric method using scorification or cupellation 1 , . 10 80 %( ) , . 200 2 000 g/t, 0.1 25 g/t . 2 . . ( ) . KS E ISO 9599, , KS L ISO 385 1, 1： KS L ISO 648, KS L ISO 1042, KS L ISO 4787, KS M ISO 3

5、696, 3 3.1 , 2 5 g . , 2 5 g . , . KS E ISO 12740:2011 2 3.2 , (cupel) . . , . 4 , KS M ISO 3696 2 . 25 % . . 4.1 4.2 , 0.2 g/t, 0.01 g/t 4.3 , 4.4 4.5 4.6 (201.42 g/mL), cc.(13) . (12) (13) . c： , (g/t) Ac： , (g/t) KS E ISO 12740:2011 13 C： , (g/t) KS A ISO Guide 35 . , (g/t) , C . )/(2c22r2LAsnssC

6、 +=.(14) s2Ac： n： , (g/t) , C . )/(222r2LnssC +=.(15) CRM , . 10 . a) b) , KS E ISO 12740 c) d) e) f) KS E ISO 12740:2011 14 A ( ) A.1 . 0.05 2 % . A.2 (1055) . . . A.3 A.3.1 , . A.4 A.4.1 , 0.1 mg A.4.2 , , (3 g ) , 20 g A.4.3 , (1055) . A.5 A.5.1 (A.4.2) (A.4.3) (1055) 1 . (A.3.1) . A.5.2 (A.5.1)

7、0 g , KS E ISO 12740:2011 15 . . A.5.3 (A.4.3) (1055) 2 . 2 , . , 0.1 mg (m1). 0.1 mg (m2). (1055) 2 , , 0.1 mg (m1). (m1 m1) 0.5 mg . . A.6 m3(g) . m3 m1 m2(A.1) m1： (g) m2： (g) , . KS E ISO 12740:2011 16 B ( ) B.1 (4.4) . 28 35 g . B.2 10 g 1 . 7.5 . . 28 g 35 g / . a) 1 g 4 g . b) 1 g 10 g . KS E

8、 ISO 12740:2011 17 C ( ) C.1 . . C.2 1 28 35 g ( 2.5 3 g) . (4.4) . 7.5 7.9 . 7.10 7.11 . KS E ISO 12740:2011 18 D ( ) r： 9.2 . x1, x2 x3, x4 |x1 x2| r |x1 x2| 1.2r x1, x2, x3 1.2r x3 221xxx+=3321xxxx+=x1, x2, x3, x4 1.3r44321xxxxx+=x4 x1, x2, x3, x4 x KS E ISO 12740:2011 19 E ( ) E.1 5 7 . 10 80 %(

9、 ) 6 . KS A ISO 5725 2 , . E.2 . ( ) 2 . E.3 6 . E.1 . E.4 E.1 . E.2 . (sr, sL, r, P) E.2 . E.2 . KS E ISO 12740:2011 20 E.1 91/11 91/12 91/13 91/14 91/15 92/1aCu %( ) Pb %( ) Zn %( ) Au g/t Ag g/t S %( ) Fe %( ) SiO2%( ) Al2O3%( ) CaO %( ) K2O %( ) MnO %( ) MgO %( ) 2.39 54.50 9.78 16 1150 21.82 4.

10、63 1.45 0.24 0.00 0.03 0.06 1.09 0.89 71.96 4.19 1 600 17.26 3.30 2.23 0.22 0.00 0.00 0.38 0.92 0.25 28.23 7.58 7 650 14.41 5.77 10.52 0.97 1.84 0.17 0.46 1.22 0.79 57.11 8.60 0.2 200 21.14 6.12 3.59 0.37 0.00 0.03 0.03 1.59 1.82 49.42 6.37 0.15 700 23.60 10.47 3.83 0.38 0.00 0.10 0.12 1.45 0.49 65.

11、50 3.81 22 240 16.68 4.21 5.05 0.33 0.00 0.00 0.08 1.19 aPeak( ) KS E ISO 12740:2011 21 E.1 2 ? ? ? ? ? 2 1 . KS E ISO 12740:2011 22 E.2 ( E.1 ) k0kn0n X r P srsLsL/sr91 11 91 12 91 13 91 14 91 15 92 1 10 10 10 10 10 10 10 9 10 10 810 40 40 40 40 40 40 40 35 39 40 31 49 1 156.583621.915647.770197.44

12、7694.235238.06825.383 012.902 914.918 210.877 99.650 516.785 966.848 749.713 458.029 429.496 343.629 933.534 28.969 3 4.559 3 5.271 4 3.843 8 3.410 1 5.931 4 23.621 4 17.566 6 20.505 1 10.422 7 15.416 9 11.849 5 2.633.853.892.714.522.00 r 0.010 2 X 9.062 9 P 0.037 8 X 24.45 7 sr 0.003 6 X 3.202 4 sL

13、 0.013 4 X 8.642 1 0.628 0.927 0.628 0.927 k0 k n0 n X , (g/t) r , (g/t) P , (g/t) sr , (g/t) sL , (g/t) X , (g/t) KS E ISO 12740:2011 23 E.3 ( E.1 ) k0k n0n X r P srsLsL/sr91 11 91 12 91 13 91 14 91 15 92 1 10 10 10 10 10 10 10 10 10 10 10 8 40 40 40 40 40 40 62 40 64 40 38 61 16.2200.8556.6970.189

14、0.14321.5291.740 50.195 70.449 80.065 20.037 71.663 23.14200.385 41.629 30.288 40.255 82.580 60.615 0 0.069 2 0.158 9 0.023 0 0.013 3 0.587 7 1.110 3 0.136 2 0.575 7 0.101 9 0.090 4 0.911 9 1.81 1.97 3.62 4.43 6.80 1.55 r 0.083 9 X 0.054 2 P 0.129 1 X 0.398 7 sr 0.029 6 X 0.019 1 sL 0.045 6 X 0.140 9 0.971 0.938 0.971 0.938 k0 k n0 n X , (g/t) r , (g/t) P , (g/t) sr , (g/t) sL , (g/t) X , (g/t) KS E ISO 12740:2011 24 E.2 r P sr sL r P sr sL %(g/t) %(g/t)