1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 8661 KS M ISO 8661: 2007 2007 10 30 http:/www.kats.go.krKS M ISO 8661: 2007 : ( ) ( ) ( ) ( )SK ( ) ( ) : (http:/www.standard.go.kr) : :2007 10 30 20070894 : : ( 025097 301) (http:/www.kats.go.kr). 7 5 , . KS M ISO 8661: 2007 Carprolactam for indust
2、rial use Determination of volatile bases content Titrimetric method after distillation 1988 1 ISO 8661, Carprolactam for industrial use Determination of volatile bases content Titrimetric method after distillation , . 1 . 2 , . 3 , . 3.1 160 g/L 3.2 , c(NaOH) 0.01 mol/L 3.3 , c(HCl) 0.01 mol/L 3.4 1
3、00 mL 0.3 g 300 mL 0.3 g . KS M ISO 8661: 2007 3.5 (pumice grains) 4 . 4.1 ( 1 ) 4.2 5 5.1 20 g 0.01 g . 5.2 . . 5.3 (A) (5.1) ( 1 ), 150 mL (3.5) . (3.3) 10.0 mL (D) . 30 mL (3.4) 5 . . (A) (3.1) 50 mL . 30 100 mL . . (E) . (3.2) . 6 6.1 NaOH mmol/kg , . 000120)(10 cVV 50(V0 V1) c 2 KS M ISO 8661:
4、2007 V0: (5.2) (3.2) (mL) V1: (5.3) (3.2) (mL) c : (3.2) (NaOH mol/L) . 6.2 KS A ISO 57251) , . r( ) 0.03 mmol/kg R( ) 0.05 mmol/kg 7 . a) b) c) d) e) 1) KS A ISO 5725( ), ( ) 3 KS M ISO 8661: 2007 : mm A B (Reitmeir splash head) C D (500 mL ) E 1 4 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 8661: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Carprolactam for industrial use Determination of volatile bases content Titrimetric method after distillation ICS 71.080.30 Korean Agency for Technology and Standards http:/www.kats.go.kr