1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 787 14 14： KS M ISO 787 14:2012 2012 12 24 http:/www.kats.go.krKS M ISO 787 14:2012 : ( ) ( ) LH () () KCC ( ) : (http:/www.standard.go.kr) ： ：2002 1 14 ：2012 12 24 2012-0756 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 787 14:2012 i
2、 2002 2 ISO 787 14, General methods of test for pigments and extenders Part 14： Determination of resistivity of aqueous extract , . KS M ISO 787 14:2012 14： General methods of test for pigments and extenders Part 14：Determination of resistivity of aqueous extract 1 ( ) . . . . . 23 , . . , . (specia
3、l method) . 2 . . ( ) . KS M ISO 15528, , 3 . 3.1 (conductivity water), 2 500 m . 3.2 , 2 500 m . 3.3 , 0.02 mol/L KS M ISO 787 14:2012 2 4 4.1 , 4.2 , 2 000 m , . . 185 mm . 4.3 , 35 mm, 125 mm . 4.4 , 0.2 . 4.5 (conductivity bridge)1)4.6 (conductivity cell)1), K 1 . 5 KS M ISO 15528 . 6 6.1 (3.3)
4、. 7.2.2 23 ( ) (4.6) R . 6.2 K . RK = R ： () ： KCl 23 m (0.002 mol/L 34.4 m, 1 ) , 1 . , . , 3 . 1) . KS M ISO 787 14:2012 3 7 7.1 . 7.3 . 7.2 . 7.2 7.2.1 (20 0.01) g 180 g . 20 g . 250 mL . 400 mL . 20 g 600 mL . 5 . 60 200 g . . , . 10 mL . 7.2.2 20 . (4.3) (4.6) . . . 23 , 10 mm , . , (4.5) (23 0
5、.5) 5 . . 7.3 7.2 . (20 0.01) g (3.2)(4 16) g . 1 000 mL 200 g . 7.2.2 . . 8 , t , t ( m) . KRtt= KS M ISO 787 14:2012 4 tR ： () K ： 6.2 1 % . 9 . a) b) c) ( ) d) (7.2) (7.3) e) 8. f) 1 23 (m) (mol/L) 14： 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 787 14:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS General methods of test for pigments and extendersPart 14：Determination of resistivity of aqueous extract ICS 87.060.10
