1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 11216 KS H ISO 11216:2008 2008 11 7 http:/www.kats.go.krKS H ISO 11216:2008 : ( ) ( ) KT&G ( ) : (http:/www.standard.go.kr) : : 2003 5 31 : 2008 11 7 2008-0741 : : ( 025097266) (http:/www.kats.go.kr). 10 5 , . KS H ISO 11216:2008 Modified starch Det
2、ermination of content of carboxymethyl groups in carboxymethyl starch 1998 ISO 11216, Modified starchDetermination of content of carboxymethyl groups in carboxymethyl starch , . ISO 11216 ISO/TC 93 . A B . 1 . 1.6 %(m/m) 10.0 %(m/m) . 2 . . ( ) . KS H ISO 1666, KS M ISO 3696, 3 . 3.1 (acid form) . 4
3、 KS H ISO 11216:2008 2 . . . . . 5 . 5.1 KS M ISO 3696 3 . . 5.2 100 % . 5.3 c (HCl)4 mol/L . 5.4 c (NaOH)0.1 mol/L, . 5.5 90 %(V/V) , ()10 g/L 5.6 c (HCl)0.1 mol/L 5.7 6 . 6.1 150 mL . 6.2 pH 6.3 . 6.4 500 mL . 6.5 KS H ISO 11216:2008 3 40 mL P40( 16 m 40 m) . 6.6 (402) . 6.7 6.8 800 m 6.9 (blade m
4、ill) 6.10 (magnetic stirrer) 7 . . 8 800 m (6.8) . 800 m (6.8) (6.9) . 9 . . . . . 9.1 3 g 1 mg 150 mL (6.1) . 9.2 3 mL (5.2) . 75 mL (5.1) . 6 mL 100 mL . pH (6.2) pH 1 (5.3) . (6.3) 30 . 9.3 KS H ISO 11216:2008 4 500 mL (6.4) (5.2) 300 mL . . 100 mL (9.2 ) 400 mL . 1 . 2 . 9.4 . (6.5) . 25 mL . .
5、pH 3.5 . 1 . 40 (6.6) . 9.5 (6.7) . 1.5 g 1 mg 150 mL (6.1) . 0.5 mmol 1.5 mmol . 9.6 2 mL (5.2) 75 mL (5.1) . 90 . . 25.00 mL (5.4) . (6.10) 1 . 2 3 (5.5) (5.6) . 1 pH 9.0 . 2 50 mg (5.7) . 9.7 150 mL (6.1) 25.00 mL (5.4) . 2 mL 75 mL (5.1) . 9.6 (5.6) . KS H ISO 11216:2008 5 9.8 1 g KS H ISO 1666
6、. 10 10.1 . msbcc%100%100%100)(wmVVMcw wc : ( ) c : (5.6)(mol/L) Mc : (Mc 58 g/mol) Vb : (5.6) (mL) Vs : (5.6) (mL) m : (mg) wm : 9.8 (9.5) ( ) 0.01 %(m/m) . 10.2 , . . ccacc)%100( MwMwx xc : wc : ( ) Ma : (Ma 162 g/mol) Mc : (Mc 58 g/mol) 0.001 . 11 11.1 A . . 11.2 5 % KS H ISO 11216:2008 6 . 1.6 %
7、(m/m) 7.9 % 5.9 %(m/m) 7.5 %(m/m) 3.8 % 11.3 5 % . 1.6 %(m/m) 23.8 % 5.9 %(m/m) 7.5 %(m/m) 15 % 12 . ( ) . KS H ISO 11216:2008 7 A ( ) 14 4 . A.1 KS A ISO 57251 . A.1 a 1 2 3 4 13 12 13 12 1 2 1 2 26 24 26 24 %(m/m) 7.46 1.62 5.96 5.94 (sr) %(m/m) 0.102 0.045 0.064 0.042 % 1.36 2.78 1.08 0.71 (r)r 2
8、.8sr %(m/m) 0.287 0.128 0.182 0.119 (sR) %(m/m) 0.381 0.136 0.315 0.271 % 5.11 8.37 5.29 4.56 (R)R 2.8sR %(m/m) 1.078 0.385 0.891 0.767 a . KS H ISO 11216:2008 8 B ( ) 1 KS A ISO 5725( ), ( ) 135513 7017 (02)60094114 (02)600948878 http:/ KS H ISO 11216:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Modified starchDetermination of content of carboxymethyl groups in carboxymethyl starch ICS 67.180.20 Korean Agency for Technology and Standards http:/www.kats.go.kr