1、 KS H ISO 2911KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS H ISO 2911: 2007 2007 11 23 http:/www.kats.go.krKS H ISO 2911: 2007 : () ( ) F&B () ( ) : (http:/www.standard.go.kr) : :2001 12 22 :2007 11 23 2007-1011 : : ( 02-509-7266) (http:/www.kats.go.kr ). 7 5 , . KS H ISO 2911: 2007 Sweetened condens
2、ed milkDetermination of sucrose contentPolarimetric method 2004 2 ISO 2911, Sweetened condensed milk Determination of sucrose content Polarimetric method , . ISO 2911 ISO/TC34 (SC5) . 1 . , , . 2 . . ( ) . KS L ISO 648, KS L ISO 1042, KS H ISO 1737, ( ) 3 . 3.1 (saccharose) (%) . 4 KS H ISO 2911: 20
3、07 2 (mutarotation) . (zinc acetate) potassium hexacyanoferrate(II) . , ( ) (acid) (Clerget ) . . . 5 , . 5.1 1.0 mol/L Zn(C2H3O2)2 2H2O 21.9 g 3 mL 100 mL . 5.2 0.25 mol/L K4Fe(CN)6 3H2O 10.6 g 100 mL . 5.3 c(HCl)=(6.350.20) mol/l2022 %(m/m) 5.4 c(NH4OH)=(2.00.2) mol/l3.5 %(m/m) 5.5 c(CH3CO2H)=(2.0
4、0.2) mol/l 12 %(m/m) 6 . 6.1 0.01 g . 6.2 100 mL 6.3 200 mL 50 mL , KS L ISO 1042 A . 6.4 20 mL 40 mL KS L ISO 648 A . 6.5 25 mL KS H ISO 2911: 2007 3 6.6 10 mL 6.7 15 cm 8 cm10 cm . 6.8 2 dm . 6.9 6.9.1 (polarimeter) ( Wratten No. 77A ) 0.05 . 6.9.2 (saccharimeter) 6 % 15 mm 0.1 . 6.10 40 (601) . 7
5、 . KS H ISO 7071 . 8 8.1 8.1.1 , . . . . . 8.1.2 40 (6.10) 40 . 8.1.1 . ( , ) . 8.2 KS H ISO 2911: 2007 4 , 100 g( 110 g) 18.00 g 2 . 45.0 % 40.00 g . 9.1 m, F P , (2) m 40.00 (1) . (450.1) %(m/m) . 8.3 8.3.1 40 g 0.01 g (6.2) (80 90 ) 50 mL . 8.3.2 200 mL (6.3) 120 mL150 mL 60 (202) . 8.3.3 (5.4) 5
6、 mL 15 (202) . 8.3.4 (5.5) . 8.3.5 (5.1) 12.5 mL . 8.3.6 (5.2) 12.5 mL . 8.3.7 20 . . . 200 mL , , . 8.3.8 . 8.3.9 . 25 mL . 8.4 (direct polarization) (202) (8.3.9) . 8.5 (inversion) (8.3.9) 40 mL (40 mL 20 mL 2 .) 50 mL (6.3) (5.3) 6.0 mL . (601) (6.10) 15 . 5 . 20 20 1 . 8.6 (invert polarization)
7、(202) . 20 0.2 9.1 (4) . KS H ISO 2911: 2007 5 9 9.1 , wS . mLVVVVQBAwS=25.1(1) m : (8.3.1) (g) A : (8.4) B : (8.6) L : (dm) Q : (inversion division factor)(9.2 ) V : (8.3.7) (mL) V : (mL) ) 55.1 08.1(100PFmV += (2) m : (8.3.1) (g) F : (KS H ISO 1737 ) (%) P : (%)( 6.38 .) 40.0 g (20.00.1) , 2 dm ,
8、9.2 C 9 %(m/m). )78 008.012 006.0833.2)(25.1(SPFBAw = (3) (202) t B . 1 0.003 7(t 20) (4) 9.2 (inversion division factor) Q . () ( )203 003.096 000.05 882.0 += tCQ (5) () ( )209 003.097 000.02 039.1 += tCQ (6) (filter) () ( )205 009.097 001.0549.2 += tCQ (7) C : KS H ISO 2911: 2007 6 t : () 1 C , (u
9、sual value) , . 0.000 6(C 9) C 9 . , C 9 . 2 20 0.2 . 9.1 (4) 18 22 . 10 5 % 100 g 0.3 g . 11 . a) b) c) d) e) KS H ISO 2911: 2007 7 1 KS H ISO 707, 135513 7017 (02)60094114 (02)600948878 http:/ KS H ISO 2911: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Sweetened condensed milk Determination of sucrose content Polarimetric method ICS 67.100.10 Korean Agency for Technology and Standards http:/www.kats.go.kr