1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 5377 KS H ISO 5377:2008 2008 10 14 http:/www.kats.go.krKS H ISO 5377:2008 : ( ) ( ) KT&G ( ) : (http:/www.standard.go.kr) ： ： 2003 11 5 ： 2008 10 14 2008-0659 ： ： ( 025097266) (http:/www.kats.go.kr). 10 5 , . KS H ISO 5377:2008 Starch hydrolysis pro
2、ducts Determination of reducing power and dextrose equivalent Lane and Eynon constant titre method 1981 1 ISO 5377, Starch hydrolysis products Determination of reducing power and dextrose equivalent Lane and Eynon constant titre method , . 1 . 2 . . ( ) . KS H ISO 1741, KS H ISO 1742, KS H ISO 1743,
3、 KS H ISO 5809, KS L ISO 385 1, 1： KS L ISO 385 2, 2： KS L ISO 648, KS L ISO 1042, KS L ISO 1773, 3 3.1 100 g D g KS H ISO 5377:2008 2 3.2 100 g D g 4 . 5 , . 5.1 6. . 5.1.1 A (II)5 (CuSO4 5H2O) 69.3 g 1 000.0 mL 5.1.2 B 4 (KNaC4H4O6 4H2O) 346.0 g (sodium hydroxide)(NaOH) 100.0 g 1 000.0 mL . 5.1.3
4、A(5.1.1) 100 mL B(5.1.2) 100 mL . . . 7.1 . 5.2 D . a) 400 g/L 50 mL . (6.5) . b) KS H ISO 5809 0.01 %(m/m) . 1) 20 g . 2) . KS H ISO 5377:2008 3 3) 0.1 mg . c) / 0.1 %(m/m) . 5.3 D 5.3.1 KS H ISO 1741 D . 5.3.2 0.600 g D (5.2) 0.1 mg 100 mL (6.4) . . 5.4 (C16H18CIN3S 2H2O) 1 g/L 6 . 6.1 KS H ISO 17
5、73 250 mL . 6.2 KS L ISO 385 2, A 0.05 mL 25 mL . 6.3 KS L ISO 648, A 1 mL, 25 mL . 6.4 KS L ISO 648, A 100 mL, 500 mL 1 000 mL . 6.5 50 mL . 6.6 7.1.4 . KS H ISO 5377:2008 4 6.7 7 1 ( ) . 2 (6.6) . 7.1 (5.1.3) 7.1.1 (6.3) 25.0 mL (6.1) . 7.1.2 D (5.3) (6.2) . 7.1.3 D (5.3) 18.0 mL . . 7.1.4 (6.7) (
6、12015) (6.6) . . . 7.1.5 120 . (5.4) 1 mL . 120 0.5 mL D . D (V mL) 0.5 mL . (I) (meniscus) . . . 7.1.6 7.1.1 7.1.2 . 7.1.7 (V 0.3) mL D . 7.1.8 7.1.4 . 7.1.9 120 . 1 mL . 120 (5.4) 0.2 mL , 1 D . 10 15 D . 60 180 . D . KS H ISO 5377:2008 5 7.1.10 D . 7.1.11 D 19.0 mL 21.0 mL . A(5.1.1) . 7.1.12 7.1
7、.6 7.1.10 (V1mL) . 7.1.13 V1 D (V1 0.5) mL . (8.1.1) V1 . 7.2 7.2.1 . , ( ) 60 70 . . 7.2.2 7.1.1 7.1.5 . a) 7.1.3 D 10.0 mL . b) 7.1.4 1) 1 mL 10 1.0 mL . 1.0 mL . 2) (V mL) . V 50 mL . 50 mL . 3) (3.1 )(ARP) . 010030000050500100ARPmVVmVFmVF= F ： (0.6V1)/100 0.006V1 m0： 500 mL (g) (g) . KS H ISO 53
8、77:2008 6 ARP300ARP3100=7.2.3 ( D ) 2.85 g 3.15 g (m g) 1 mg . 7.2.4 (7.2.3) 500 mL (6.4) . 7.2.5 7.2.5.1 D (5.3) (7.2.4) 7.1.1 7.1.9 . 7.2.5.2 (7.2.4) (V2) . 7.2.5.3 V2 (7.2.4) 19.0 mL 21.0 mL . V2 7.2.5.1 7.2.5.2 . 7.2.5.4 2 . 7.3 DMC %(m/m) . a) KS H ISO 1742 b) ( ) KS H ISO 1741 c) KS H ISO 1743
9、 8 8.1 8.1.1 ( )(3.1 ) mVVmVV=2121300100500100600.0RP 8.1.2 ( )(3.2 ) DMC100RPDE= V1： (7.1) D (mL) V2： (7.2.5) (7.2.4) (mL) KS H ISO 5377:2008 7 m ： (7.2.4) 500 mL (7.2.3) (g) DMC ： (7.3 ) 8.1.3 (8.2 ) . 8.2 2 0.75 % . 8.3 2 1.5 % . 9 . . KS H ISO 5377:2008 8 A ( ) 5.2 c) D A.1 D . (spot) . ( ) 0.10
10、 %(m/m) . D . . “ ” “ / ” . A.2 , . A.2.1 (pure cotton cellulose) 185 g/m2, 97 %(m/m) 0.06 %(m/m) 140 mm 420 mm . (Whatman) No.3 . A.2.2 n (n-propanol) 7 (ethyl acetate) 1 (water) 2 . A.2.3 (diphenylamine) 1 g (aniline) 1 mL 100 (orthophosphoric acid)(H3PO4) 88 %(m/m) 6 mL (orthophosphoric acid) . K
11、S H ISO 5377:2008 9 . A.2.4 (maltose hydrate) 20 g/L 10 L A.4.4, A.4.5 A.4.6 . 1.0 %(m/m)( ) (A.5.3 ). A.2.5 1 000 mL 5 g 0.500 g (A.2.4) 0.526 g mg 100 mL (A.3.1) . 1 mL 0.005 g . . A.2.6 1 000 mL 0.5 g (A.3.2) 100 mL (A.3.1) (A.2.5) 10.0 mL . 1 mL 0.5 mg . . A.3 A.3.1 KS L ISO 1042, B 100 mL . A.3
12、.2 KS L ISO 648, B 10 mL . A.3.3 10 L . A.3.4 40 KS H ISO 5377:2008 10 A.3.5 A.3.6 (A.2.3) (A.4.6.1) . A.3.7 (A.4.6.3) (801) . A.4 A.4.1 . A.4.2 1 000 mL (A.4.1) 250 g . A.4.3 A.4.3.1 80 mm 140 mm . 80 mm (A.3.5) . A.4.3.2 5 A, B, C, D E 420 mm 30 mm 20 mm . A.4.4 A.4.4.1 B D 2 10 L( D 5 000 g ) (A.
13、4.2) (A.3.3) (A.3.4 ) . A.4.4.2 A, C E (A.2.6) 10 L (A.3.3) . A.4.5 A.4.5.1 (A.2.2) (A.3.5) (A.4.4) . . A.4.5.2 8 . 20 . D (A.4.6 ) 50 mm KS H ISO 5377:2008 11 . A.4.5.3 . 40 . A.4.6 A.4.6.1 (A.2.3) (A.3.6) (A.4.5.3) . A.4.6.2 (A.3.4) (A.4.5.3 ). A.4.6.3 (A.3.7) (A.4.6.2) . A.4.6.4 5 . . A.4.7 A.4.7
14、.1 B D(A.4.4.1, ) A, C E(A.4.4.2, ) . A.4.7.2 B D D . A.5 A.5.1 B D(A.4.4.1) A, C E(A.4.4.2) D 0.1 %(m/m) . A.5.2 B D(A.4.4.1) D D . A.6 2 g . 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS H ISO 5377:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Starch hydrolysis products Determination of reducing power and dextrose equivalent Lane and Eynon constant titre method ICS 67.180.20
