1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 5810 KS H ISO 5810:2008 2008 11 7 http:/www.kats.go.krKS H ISO 5810:2008 : ( ) ( ) KT&G ( ) : (http:/www.standard.go.kr) : : 2003 11 5 : 2008 11 7 2008-0741 : : ( 025097266) (http:/www.kats.go.kr). 10 5 , . KS H ISO 5810:2008 Starches and derived pr
2、oducts Determination of chloride content Potentiometric method 1982 1 ISO 5810, Starches and derived products Determination of chloride content Potentiometric method , . 1 . 2 . . ( ) . KS L ISO 385 2, 2: KS L ISO 648, 3 . 4 , . 4.1 201.41 g/mL, 70 %(m/m) HNO3 . 4.2 KS H ISO 5810:2008 2 c(AgNO3) 0.0
3、5 mol/L1) 0.02 mol/L1) 5 . 5.1 250 mL . 5.2 1 mL KS L ISO 648 . 5.3 10 mL KS L ISO 385 2 . 5.4 5.5 pH mV , . 5.6 5.6.1 / . 0.1 mol/L2) 4 V . 5 . . 5.6.2 ( ). 5.7 (variable speed stirrer) 6 6.1 . 1) “0.05 N 0.02 N ” . 2) “0.1 N ” . KS H ISO 5810:2008 3 6.2 1 0.001 g . 1 % (m/m) NaCl g 0.05 0.05 0.2 0
4、.2 0.5 0.5 1 1 5 25 15 5 2.5 0.5 6.3 6.3.1 100 mL (5.1) (6.2) . 6.3.2 ( ). 6.3.3 15 . 6.4 (6.3) , / (5.6.1) (5.5) . (5.2) (4.1) 1 mL . 1 mL 0.2 mL (4.2)3) . . . . V . (6.1) 2 . 7 7.1 . mVc 10045058.0 3) 0.05 %(m/m) 0.02 mol/L . KS H ISO 5810:2008 4 c : (4.2) (mol/L) V : (6.4) (mL) m : (6.2) (g) (7.2
5、 ) . . 7.2 . 1 %(m/m) 2.5 % 1 %(m/m) 0.03 g/100 g 7.3 . 1 %(m/m) 10 % 1 %(m/m) 0.1 g/100 g 8 . . . 135513 7017 (02)60094114 (02)600948878 http:/ KS H ISO 5810:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Starches and derived products Determination of chloride content Potentiometric method ICS 67.180.20 Korean Agency for Technology and Standards http:/www.kats.go.kr