1、 KS M ISO 6844KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS M ISO 6844: 2007 2007 4 30 http:/www.kats.go.kr : ( ) ( ) LG ( ) ( ) : (http:/www.standard.go.kr) : : 2000 12 30 : 2007 4 30 : 2008 6 30 2008-0348 : ( 02-503-7301) . (http:/www.kats.go.kr) 10 5 , . KS M ISO 6844: 2007 (2008 ) Surface active a
2、gentsDetermination of mineral sulfate content Titrimetric method 1983 1 ISO 6844, Surface active agents Determination of mineral sulfate content Titrimetric method , . 1 . 2 , . , pH ( ) . 8.2 1 pH . 4 pH . 3 . . KS L 2317, KS M ISO 607, 4 (II) . 5 KS M ISO 6844: 2007 2 . 5.1 5.2 c(HNO3) 1 mol/L 5.3
3、 40 g/L 5.4 (II) cPb(NO3)2 = 0.01 mol/L 200 mL (II) (3.3120.005) g . 1 000 mL , . 5.5 7085 %(V/V) , pH 1.51.6, pH 4.10.2 250 mL 67 mL pH pH 7 18 %(m/m) ( 80 mL) . 33 mL 600 mL . 5.6 1,5 ( ) (C6H5 NH NHCSN=NC6H5), 0.5 g/L 1 . 6 . 6.1 150 mL 6.2 KS L 2317 100 mL . 6.3 250 mL . 6.4 KS L 2317 5 mL, 10 m
4、L, 15 mL, 20 mL . 6.5 KS L 2317 1 mL 2 mL . 6.6 KS L 2317 A 25 mL . KS M ISO 6844: 2007 3 6.7 100 mL . 7 KS M ISO 607 . 8 8.1 , 1 0.001 g (6.1) . 1 %(m/m) g 6* 1014 5 3 13 0.51.5 0.5 5.0 10.0 15.0 20.0 (6.3) 20 mL . (5.6) 1 mL . , (5.3) . (5.2) , (5.5) 2.0 mL (5.1) 80 mL . 15 (II) (5.4) . 1 pH 4.10.
5、2 . 2 7085 %(V/V) . KS M ISO 6844: 2007 4 9 9.1 . 0010014201100100142.0VmcVVmcV = m0 : (8.1) (g) V0 : (8.2) (mL) V1 : (8.2) (II) (5.4) (mL) c : (II) (5.4) Pb(NO3)2mol/L 0.142 : cPb(NO3)2=1.000 mol/L (II) 1.00 mL (g) 9.2 0.15 %(m/m) 1.15 %(m/m) 2 7 3 . 3 0.16 %(m/m) 1.10 %(m/m) , r0.02 0.04 , R0.04 0
6、.16 10 . a) b) ( ) c) d) e) KS M ISO 607 , 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 6844: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Surface active agentsDetermination of mineral sulfate content Titrimetric method ICS 71.100.40 Korean Agency for Technology and Standards http:/www.kats.go.kr