KS H ISO 6735-2006 Dried milk-Assessment of heat class-Heat-number reference method《乳粉 含热量等级的评定 热指数比较法》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS 2006 11 29 http:/www.kats.go.kr KS H ISO 6735 ( ) KS H ISO 6735: 2006 (2011 )H ISO 6735: 2006 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2001 12 31 : 2006 11 29 : 2011 12 29 2011-0652 : : ( 02-509-7273) (http:/www.kats.go.kr). 10 5 , . ICS 67.100.10

2、 KS ( ) H ISO 6735:2006(2011 ) Dried milk Assessment of heat class Heat-number reference method 1985 1 ISO 6735 Dried milk Assessment of heat class Heat-number reference method . ISO/TC 34 . (IDF) (AOAC) , . . , “ ”, “ ” . ( ) ( .) . , . , . , . (American Dried Milk Institute: ADMI) 1977 , (UMSPN) .

3、 ( UMSPN 6.0 mg ) ( UMSPN 1.515.99 mg ) ( UMSPN 1.5 mg ) “ADMI ” , Sanderson(1970), McGann, OConnell and McFeely(1975). (DMSP) , de Koning, van Rooijen and Draaisma(1976) Mrowetz and Klostermeyer(1977) DMSP (DMSP ) . . , 100 (Rowland, 1938b) H ISO 6735: 2006 2 Rowland (1938a) , Rowland and Zein El D

4、ine(1938). , “ ” DMSP , (pH 4.8) 100 , . /DMSP DMSP , , “ ” “ ” , . IDF Standard 20 IDF Standard 29 , . . , , ( ) . , , Voss and Schmanke(1973). A , B . . 1. FAO/WHO A 5(1) “whole milk powder”, “partly skimmed milk powder”, “skimmed milk powder” , . . (1) 8 (1984, ) , FAO/WHO A 5: UN FAO/WHO 2. . .

5、KS H ISO 707 3. . 3.1 (heat number) (pH 4.8) 100 ( .). 4. pH 4.8 . ( ) . H ISO 6735: 2006 3 . . , (heat class) . / Rowland(1938a) . pH( ) 4.8 , 4.6 . 5. , . 5.1 97 %(m/m) CH3(CH2)5CH(OH)CH3 (octan-2-ol) 30 %(m/m) 5.2 99.7 %(m/m) (CH3COOH) 25 g 200 mL 250 mL 20 . 5.3 99.0 %(m/m) 3 (CH3COONa 3H2O) 34.

6、02 g , 250 mL 20 . 0.5 mL (CHCl3) . 5.4 (5.2) 6.0 mL (5.3) 14.0 mL 20 1 000 mL . pH pH 20 4.800.05 . . 5.5 (C12H22O11) (N) 0.002 %(m/m) . 6. . 6.1 0.01g . 6.2 150 mL 200 mL . 6.3 6.4 100 mL 6.5 . 6.6 1 mL 10 mL 6.7 150 mL . 6.8 75 mm . 6.9 , 125 mm . 6.10 500 mL (5.4) . H ISO 6735: 2006 4 7. KS H IS

7、O 707 . , . 8. . . , . 9. (11. ) 9.1 14.00 g, 10.00 g (6.2) (8. ). 9.2 9.2.1 40 100 mL (6.4) , 10 mL . (6.5) . , . , 30 . 9.2.2 (5.1) 1 . 10 mL (6.6) 10 mL (6.7) . 10 mL ( A A.2.1 ), 15 g( A A.1.1 ) ( A A.2.2 ) . . 9.2.3 (6.4) 40 75 mL , (6.6) (5.2) 1.0 mL . (6.5) . . 9.2.4 10 (6.6) (5.3) 1.0 mL , .

8、 9.2.5 45 , 13 mL 15 . 9.2.6 (5.4)( ) ( ) (6.9) . (5.4) . . 20 pH 4.800.05 . 9.2.7 (6.8) , ( A A.2.1 ). 9.2.8 (6.9) . V1(10.1 ) . (5.5) 0.1 g . H ISO 6735: 2006 5 V3(10.1 ) . 9.2.9 A A.3 . 10. 10.1 H . H =3210VVVV100 V0: 10 mL ( ) (mL)( A A.3.5 ) V1: (mL)( A A.3.5 ) V2: 10 mL (mL)( A A.3.5 ) V3: 0.1

9、 g (mL)( A A.3.5 ) 0.1 . 10.2 95 % ISO 5725(2) . (2) ISO 5725 precision of test methods Determination of repeatability and reproducibility by inter-laboratory tests 10.2.1 1.2 . 10.2.2 1.5 . 10.3 B (heat class) . 11. V2 V3 (10.1 ) . a) 9.1 ( ) (9.2.1 ) b) 9.2.2 , 10 mL c) ( A A.1.7 ) 12. . a) b) (10

10、.1 ), (10.3 ) c) d) H ISO 6735: 2006 6 A() A.0 IDF Standard 20(1962) (0.05 g) 5 (CuSO4 5H2O) , Rexroad and Cathey (1976). , (IDF Standard 20, 1962 IDF Standard 29, 1964 ) (A.1.3) 5 mL 25 mL 30 mL(A.3.1 ) . (A.1.4) 250 mL 240 mL , 60 mL 70 mL (A.3.3 ). A.1 , . A.1.1 (K2SO4) A.1.2 2 2 5 (CuSO4 5H2O) 5

11、.0 g 100 mL , 20 . A.1.3 98.0 %(m/m) 20 1.84 g/mL . A.1.4 47 %(m/m) 20 L 704 g 1. . 2. , 40 %(m/m)(20 L 572 g) 30 %(m/m)(20 L 399 g) . A.3.3 A.1.5 (H3BO3) 40.0 g (hot water) 1 000 mL , . A.1.6 0.2 %(2 g/L) 0.1 %(1 g/L) 94 %(V/V) . A.1.7 c(1/2 H2SO4) c(HCl) = 0.1 mol/L (10.1 ), 11. . A.2 . A.2.1 500

12、mL A.2.2 5 mm . A.2.3 (A.1.2) 0.1 mL . A.2.4 50 mL, 100 mL 250 mL A.2.5 , (A.2.1) ( 45) . A.2.6 (A.2.1) , ( , 300 mm ) . , . H ISO 6735: 2006 7 A.2.7 (A.1.6) 0.10 mL . A.2.8 200 mL 500 mL A.2.9 0.1 mL 50 mL 0.05 mL . A.2.10 (A.2.9) A.3 A.3.1 (9.2.2, 9.2.7 9.2.8 ) (A.1.2) 1.0 mL (A.1.3) 30 mL , . A.3

13、.2 (A.2.5) , . , ( ) . 1 30 . . a) . . b) 1 30 . A.3.3 ( ) 240 mL , . (A.1.4) 70 mL . . ( ) 150 mL 310 mL (A.3.4 ). , 47 %(m/m) , . , 40 %(m/m) 85 mL 30 %(m/m) 125 mL 225 mL 185 mL . A.3.4 (A.2.6) , (A.1.5) 50 mL (A.1.6) 0.10 mL (A.2.8) . , . 100125 mL , 200 mL 40 mm . ( ) , . , . . a) 30 150 mL . (

14、 ) , 200 mL, 150 mL . b) 25 . A.3.5 (A.1.7) (A.2.8) 150 mL H ISO 6735: 2006 8 (A.1.5) 50 mL (A.1.6) 0.10 mL . (A.2.10) 0.01 mL . . H ISO 6735: 2006 9 B() B.0 77.078.0 , Muir, Kelly, Phillips and Wilson (1978). , . , , 80.0 . , 91 . ( 12) , pH 4.8 , . , . (electrophoresis) 4 . B.1 B.1 . (UMSP) (PAG) (ADMI ; 0. )

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