1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 11 20 http:/www.kats.go.krKS H ISO 12081 () KS H ISO 12081: 2006 (2011 ) H ISO 12081: 2006 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2001 12 31 : 2006 11 20 : 2011 12 29 2011-0652 : : ( 02-509-7273) (http:/www.kats.go.kr). 10 5 , . ICS 67.100.
2、10 KS () H ISO 12081: 2006(2011 ) Milk Determination of calcium content Titrimetric method 1998 1 ISO 12081 Milk Determination of calcium content Titrimetric method . ISO 12081 ISO/TC 34 (SC 5), (IDF) (AOAC International) , . 1. , . 2. . 2.1 . . 3. . . . 4. , , . 4.1 I 200 g/L . 4.2 II 120 g/L . 4.3
3、 , . 4.4 0.05 g (96 % ) 100 mL . 4.5 20 %( ) . 4.6 I (25 % ) . 4.7 II (25 % ) 2 mL 100 mL . 4.8 (98 % ) 20 mL 80 mL . 4.9 c(KMnO4) = (0.0040.000 1) mol/L . 5. . 5.1 0.001 g . 5.2 50 mL . 5.3 20 mL . H ISO 12081: 2006 2 5.4 1 400g . 5.5 20 mL 30 mL . 5.6 2 mL 5 mL . 5.7 . 5.8 . 5.9 0.02 mL . 5.10 . 6
4、. , KS H ISO 707( 1) . . 7. (202) . 40 (202) . 8. 8.1 (5.3) (7.) 20 g (5.2) 0.01 g . 8.2 8.2.1 I(4.1) 50 mL (8.1) . 30 . (5.10) . 8.2.2 (8.2.1) 5 mL, II(4.2) 5 mL, (4.3) 2 mL, (4.4) 2 , (4.5) 2 mL . I(4.6) , (4.5) . 4 . 20 mL . 1 400g 10 (5.7) . II(4.7) 5 mL , 1 400g 5 . 2 . 8.2.3 (8.2.2) (4.8) 2 mL
5、 5 mL . (4.9) 60 . 0.01 mL . 8.2.4 20 mL . 0.01 mL . 9. 9.1 . w = 0.000 4(V V0)mf000 1 mfVV = )(4.00H ISO 12081: 2006 3 w: (%) V: (8.2.3) (mL) V0: (8.2.4) (mL) m: (g) f: (%) 3.54.5 3 2 1 0.1 f = 0.972 f = 0.976 f = 0.980 f = 0.985 f = 0.989 9.2 . 10. 2 0.002 % 5 % . 11. . ( ) H ISO 12081: 2006 4 1 KS H ISO 707 ( ) 153787 1 92 3(13) (02)26240114 (02)2624 01489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS H ISO 12081: 2006 MilkDetermination of calciumcontentTitrimetric methodICS 67.100.10