1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS 2006 10 13 http:/www.kats.go.krKS H ISO 5536 KS H ISO 5536: 2006 (2011 )H ISO 5536: 2006 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2006 10 13 : 2011 12 29 2011-0652 : : ( 02-509-7273) (http:/www.kats.go.kr). 10 5 , . ICS 67.100.10 KS H ISO 5536: 20
2、06(2011 ) Milk fat products Determination of water content Karl Fischer method 2002 1 ISO 5536 Milk fat products Determination of water content Karl Fischer method . 1. (Karl Fischer) . 1.0 % (anhydrous butteroil, anhydrous butterfat, anhydrous milk fat) . 2. . 2.1 . 3. . , . . 4. . . 4.1 (pyridine)
3、 45 mg/mL . 4.2 (CHCl3) 4.3 (CH3OH) 0.05 % . . 4.4 / 3: 1 (5.4) 3: 1 . 5. . . 5.1 1 mg 0.1 mg . 5.2 1025 mL . . 5.3 150 mL . H ISO 5536: 2006 2 5.4 1 L 5.5 / . . 5.6 25 mL . 25 mL . 5.7 . 6. , , . . KS H ISO 707 . 7. 7.1 50 . 7.2 . / (4.4) . (5.6) / (4.4) 25 mL . ( ) 35 (4.1) . . 7.3 7.3.1 150 mL (5
4、.3) ( 50 mg) 0.1 mg . . 25 mL / (4.4) 1 . (4.1) 35 . 7.3.2 150 mL (5.3) 5 g 1 mg . 1 mg 150 mL . . 25 mL / . 1 . ( ) 35 . / (4.4) 2 . . . 40 mL (4.4) 4 . 8. 8.1 8.1.1 (7.3.1) t g/mL . b1VVmt= m: (7.3.1) (g) H ISO 5536: 2006 3 V1: (7.3.1) (4.1) (mL) Vb: (7.2) (4.1) (mL) 8.1.2 w . % 100b2= taVVw V2: (
5、7.3.2) (4.1) (mL) Vb: (7.2) (4.1) (mL) a: (7.3.2) (g) 8.2 . 9. 9.1 ( 4 ). KS A ISO 5725 1 KS A ISO 5725 2 . . IDF 135 . ISO 5725 . 9.2 2 5 % . 0.1 %: 0.015 % 0.1 %: 0.05 % 9.3 2 5 % . 0.1 % : 0.03 % 0.1 % : 0.10 % 10. . a) b) ( ) c) d) e) f) H ISO 5536: 2006 4 1 KS H ISO 707 2 KS A ISO 5725 1 ( ) 1:
6、 3 KS A ISO 5725 2 ( ) 2: 4 STEIGER, G. and MARTENS, R. Interlaboratory collaborative studies. Bulletin of the IDF, No. 235, 1988 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 5536: 2006 Milk fat productsDetermination of water contentKarl Fischer methodICS 67.100.10