1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E 3915 KS E 3915:2011 2011 9 2 http:/www.kats.go.krKS E 3915:2011 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :2001 12 31 :2011 9 2 2011-0313 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E 3915:2011 Determination of lead in titanium ores 1 .
2、 2 . . ( ) . KS E 3059, KS M 1007, 3 . 0.005 % 0.05 % . 4 4.1 , N, N- . , - . 4.2 a) b) (1 15) c) ( 3, 1) d) (1 1) e) ( ) KS E 3915:2011 2 f) ( ) 1, 2 g) () (10 g/L) () 12 43 g 200 mL , (11) 20 mL 500 mL . h) (200 g/L) i) N, N- N, N- 3 66 g 500 mL . j) k) (100 mg/L) (99.9 % ) 1 000 g (1 1) 30 mL , 1
3、 000 mL , (1 g/L) . 10 . 4.3 4.3.1 . a) 1.0 g 8 g , 2 g ( ) . b) , , 1) 5 . c) , (300 mL) 100 mL , . 50 mL , . () 2 mL . d) 250 mL . 4.3.2 . a) 4.3.1 a) 50 mL (200 mL) . 20 mL , pH (1 1) pH 9.0 9.5 , (200 mL) . b) N, N- 10 mL , 1020 mL 1 . c) (200 mL) , . 5 mL 1 . (200 mL) . 1) , . KS E 3915:2011 3
4、d) , 5 mL (乾固 ) . e) (1 15) 5 mL , 25 mL . 4.3.3 4.3.2 e) , 283.3 nm . 4.4 4.5 . . 4.5 . a) 4.3.1 . b) (200 mL) 4 a) 50 mL . 20 mL pH (1 1) pH 9.0 9.5 , (200 mL) . c) 4 3 1 mL, 2 mL 3 mL ( 100 g, 200 g 300 g) . d) 4.3.2 b) 4.3.3 , . 4.6 a) 4.3.3 4.4 4.5 , . 1002505021=mAAPb Pb : (%) A1 : (g) A2 : (g) m : (g) b) () . PbO Pb1.077 PbO : () (%) Pb : 4.6 a) (%) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E 3915:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of lead in titanium ores ICS 73.060.99