1、 KS D 1965KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS D 1965: 2007 2007 6 29 http:/www.kats.go.krKS D 1965: 2007 : () ( ) () ( ) : (http:/www.standard.go.kr) : :2007 6 29 2007 0358 : : ( 025097274) ( http:/www.kats.go.kr). 7 5 , . KS D 1965: 2007 Method for determination of tellurium in copper 1 .
2、2 . . KS D 1651, 3 bromide-methyltrioctyl ammonium-bromide , 0.000 02 %( ) 0.001 %( ) . 4 bromide-methyltrioctyl ammonium-bromide 4.1 , methyltrioctyl ammonium-bromide butyl acetate . 4.2 . a) (1 1) b) (3 2) c) (1 1) d) 550 mL 120 mL 1: 1 330 mL . e) f) methyltrioctyl ammonium-chloride 10 mL butyl a
3、cetate 200 mL . 500 mL , (1 2) 200 mL 5 . , 1: 2 200 mL 5 , . g) butyl acetate KS D 1965: 2007 h) (5 g Te/mL) 99.9 %( ) 0.500 g 200 mL . 10 mL . , , (11) 40 mL . . 500 mL (1 mg Te/mL) . 200 . 4.3 1 . 1 %( ) g 0.000 02 0.000 5 5.0 0.000 5 0.001 3.0 4.4 4.4.1 . a) 200 mL . b) (1 1) 35 mL (1 1) 50 mL .
4、 . . c) , 100 mL . 4.4.2 . a) 4.4.1 c) 200 mL , (3 2) 30 mL . , 150 mL . b) 4.2(f) 10 mL 5 . . 4.2(d) 50 mL 30 . c) 15 20 mL butyl acetate 10 mL 1). 4.4.3 4.4.2 c) butyl acetate 214.3 nm . 1) , 1 g . 2 KS D 1965: 2007 4.5 . 4.6 4.2 h) 100 mL 06.0 mL( 0 30 g) . (1 1) mL (3 2) 30 mL 150 mL . 4.4.2 b) 4.4.3 . 4.7 4.4.3 4.5 4.6 . . %( ) 100=mA A : (g) m : (g) 3 135513 7017 (02)60094114 (02)600948878 http:/ KS D 1965: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Method for determination of tellurium in copper ICS 77.120.30 Korean Agency for Technology and Standards http:/www.kats.go.kr