1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 8263N,N-3 ( )KS M 8263:2012 2012 12 28 http:/www.kats.go.krKS M 8263:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：1979 11 29 ：2012 12 28 2012-0817 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M 8263:2012 N,N- 3 ( ) Sodium N,N-diethyldith
2、iocarbamate trihydrate (C2H5)2NCS2Na3H2O FW： 225.31 1 N,N- 31)( N,N- 3 .) . 2 . . ( ) . KS M 0024, KS M 8001, 3 3.1 N,N- 3 . 94 C . 3.2 a) 0.2 g 20 mL KS M 8001 6.29( ) a)( ) . b) KS M 0024 1 470 cm 1, 1 420 cm 1, 1 260 cm 1, 1 200 cm 1, 1 130 cm 1, 990 cm 1 910 cm 1 . , KS M 0024 7.2 a)( ) 1 . 1) N
3、aDDTC KS M 8263:2012 2 1 4 N,N- 3 5. 1 . 1 92.0 % 5 5.1 0.1 mg 0.5 g 100 mL 0.05 mol/L . . . 0.05 mol/L 1 mL 0.022 531 g C5H10NNaS23HO2 . 5.2 0.2 g 20 mL (5.4 ). (%) (cm 1) KS M 8263:2012 3 5.3 0.2 g (95) 20 mL . 5.4 5.2 2 0.1 mol/L 0.1 mL . 5.5 a) 0.10 g (100 mL) . 10 mL (100 mL) . b) (0.01 mg/mL)
4、5 mL 40 mL (200 g/L) 2 mL (2： 3) pH 9 50 mL . c) 45 mL (200 g/L) 2 mL (2：3) pH 9 50 mL . d) 5 mL 10 mL 1 . 10 mL 1 , (5 C) (25 mL) ( A , B ). 10 mm 430 nm A B 0.35 . 6 . 7 . a) “N,N- 3 ” “ ” b) c) , d) ( ) e) f) g) N,N- 3() 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 8263:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Sodium N,N-diethyldithiocarbamate trihydrate ICS 71.040.30
