1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 2538 KS D 2538:2012 2012 5 25 http:/www.kats.go.krKS D 2538:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2007 6 29 :2012 5 25 2012-0219 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 2538:2012 Titanium alloys Methods for determinat
2、ion of sulfur 1 . 2 . . ( ) . KS A ISO 5725 6, ( ) 6: KS D 1769, KS D 1779, KS Q 5002, 1: 3 KS D 1769 KS D 1779 . 4 . a) ICP 0.005 % 0.30 % . b) ( ) 0.005 % 0.30 % . 5 ICP 5.1 , , ICP . 5.2 KS D 2538:2012 2 . a) (: 1: 1) b) 99 % 0.001 % . c) (50 g/L) d) (1 000 mg/L) ( 99.5 % ) 2.42 g (300 mL) , (1:1
3、) 50 mL . , . 1 000 mL . e) -p- (polyethylene glycol mono-p-isooctylphenyl ether) (20 mL/L) f) (100 mg/L) 110 2 ( 99.9 % ) 5.435 g (300 mL) 200 mL . 1 000 mL (1 000 mg/L) . 10 . 5.3 0.50 g 1 mg . 5.4 5.4.1 . a) ( , PTFE .) (200 mL) . b) PTFE 5.2 c) 20 mL, 15 mL 5.2 a) 10 mL 30 . c) , PTFE PTFE PTFE
4、. d) 100 mL -p- 5.2 e) 5 mL 5.2 d) 5.0 mL PTFE . 5.4.2 5.4.1 d) ICP 180.73 nm 407.77 nm . 1 ICP . 2 . 5.5 5.6 KS D 2538:2012 3 . 5.6 5.2 b) 0.50 g 6 PTFE (200 mL) 5.4.1 b) c) , 5.2 f) 0 mL, 1.0 mL, 3.0 mL, 5.0 mL, 10.0 mL 15.0 mL( 0 g, 100 g, 300 g, 500 g, 1 000 g 1 500 g) . , 5.4.1 d) 5.4.2 . . 5.7
5、 5.4.2 5.5 5.6 . KS Q 5002 A . 10021=mAAS S : ( %) A1: (g) A2: (g) m : (g) 5.8 1 . 1 a: % f(n)0.006 1(S) 0.000 9 f(n)0.013 4(S) 0.001 9 a f(n) KS A ISO 5725 6 1 . n , , n 2 , f(n) 2.8. (S) ( %) . 6 6.1 . . 6.2 KS D 1779 6.5.6( ) . KS D 2538:2012 4 6.3 0.40 g 1 mg . 6.4 6.4.1 KS D 1779 8.7.3( ) . 6.4
6、.2 KS D 1779 8.7.4( ) . , KS D 1779, 7.12( ) a) 0.30 g, c) 0.3 g d) 1.5 g . 6.5 KS D 1779 8.5.6( ) . 6.6 KS D 1779 8.7.6( ) . 6.7 2 . 2 a: % f(n)0.010 0(S) 0.000 5 f(n)0.029 3(S) 0.001 4 a f(n) KS A ISO 5725 6 1 . n , , n 2 , f(n) 2.8. (S) ( %) . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 2538:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Titanium alloysMethods for determination of sulfur ICS 77.120.50 Korean Agency for Technology and Standards http:/www.kats.go.kr