1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 2531 KS D 2531:2009 2009 9 24 http:/www.kats.go.krKS D 2531:2009 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :1980 12 29 :2009 9 24 2009-0576 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 2531:2009 Method for determination of chlorine in
2、titanium 1 . 2 . . ( ) . KS D 1769, KS M 0034, , , KS M 8005, 3 KS D 1769 . 4 . 0.005 %(m/m) , 0.20 %(m/m) . 5 5.1 (PDABR) . 5.2 a) (1: 1) b) (1: 1) c) d) (1: 100) e) 0.02 mol/L (3.398 g AgNO3/L) 3.4 g (300 mL) 100 mL (1 000 mL) . KS D 2531:2009 2 . 1 mL 0.000 709 g . (KS M 8005) 600 60 0.028 0.034
3、g 0.1 mg (300 mL) 100 mL . 5.5.2 a) 2) 5.5.2 b) 2) . . . 100)(169001.021AVVmF F : m : (g) V1 : (mL) V2 : (mL) A : (%) f) PDABR PDABR 0.2 g (99.5 %) 100 mL (5 B) 100 5 . 5.3 a) KS M 0034 6.1( ) . b) KS M 0034 6.1.1( ) . 1) KS M 0034 6.1.2 a)( ) 2) KS M 0034 6.1.2 b)( ) . , . 3) KS M 0034 6.1.2 c)( )
4、. 4) KS M 0034 6.1.3( ) . 5) KS M 0034 6.1.4( ) . 5.4 1.0 g 1 mg . 5.5 5.5.1 a) (300 mL) . b) 40 mL (1: 1) 10 mL . (1: 1) 3 mL1) 2), 1.5 g . . 1) (1: 1) PDABR . 2) 5.5.2 b) (1: 100) 3 mL . KS D 2531:2009 3 5.5.2 . a) PDABR 1) 5.5.1 b) (300 mL) . 2) 3)0.02 mol/L 5.2 e) PDABR 5.2 f)4) . b) 1) 5.5.1 b)
5、 . 2) 0.02 mol/L 5.2 e) 5) . 6) .7)5.6 . 5.7 . 100709000.0)(Cl(%)43mFVV V3 : 5.5.2 a) b) (mL) V4 : 5.6 (mL) F : m : (g) 3) . 4) . 5) . 6) KS M 0034 6.2.1( ) . 7) KS M 0034 6.2.2( ) . 153787 1 92 3 (13 ) (02)26240114 (02)262401489 http:/ KS D 2531:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Method for determination of chlorine in titanium ICS 77.120.50 Korean Agency for Technology and Standards http:/www.kats.go.kr