KS H ISO 3976-2007 Milk fat-Determination of peroxide value《乳脂肪 过氧化值的测定》.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 3976 KS H ISO 3976 :2007 (2012 ) 2007 10 31 http:/www.kats.go.krKS H ISO 3976:2007 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) : :2001 12 31 :2007 10 31 :2012 12 28 : 20120814 : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS H ISO 3976:

2、2007 .1 1 1 2 .1 3 1 4 1 4.1 .1 /1/n 4.2 2 1(FeCl ) . 2 4.3 2 4.4 .2 2 4.5 .2 I 4.6 3 II 4.7 .3 (H O ) 2 2 4.8 .3 (HNO ) 3 5 3 5.1 3 5.2 3 5.3 3 5.4 3 5.5 3 5.6 .3 5.7 3 5.8 4 5.9 .4 5.10 4 5.11 .4 5.12 4 5.13 .4 5.14 .4 6 4 7 .4 7.1 .4 7.2 .4 , , , (ghee) 7.3 .4 8 5 ( A ) 8.1 5 8.2 5 8.3 5 8.4 .6 8

3、5 .6 9 .7 i KS H ISO 3976:2007 ii 9.1 7 9.2 .8 10 8 10.1 8 10.2 8 10.3 8 11 .8 A() 9 B() .10 C() 11 14 KS H ISO 3976:2007 (2012 ) Milk fatDetermination of peroxide value 2006 2 ISO 3976, Milk fat Determination of peroxide value , . ISO 3976 ISO/TC34 (SC5) . 1 . 1 kg 1.3 . 1 kg 0.51.3 ( A ) . 1 kg 1

4、3 / ( , AOAC 920.160) . 2 . 2.1 (peroxide value) . 1 kg . 3 /1-/n-(methanol/1-decanol/n-hexane) , 1 . 1 . . 4 , . 4.1 /1/n KS H ISO 3976:2007 3 :2:1 ( ) . 1- n- 2 :1 . 3 . . . n- 60 80 . 4.2 1(FeCl 2 ) c(Fe 2+ )1 mg/mL . 2 (BaCl 2 2H 2 O) 0.4 g 50 mL . 1 7 (FeSO 4 7H 2 O) 0.5 g 50 mL . 1 I(4.5 ) 2

5、mL . . 1 . 1 4 (FeCl 2 4H 2 O) 0.35 g 100 mL I(4.5 ) 2 mL 1 . 4.3 (NH 4 SCN) 30 g 100 mL . (3-methylbutan-1-ol) ( 5 mL) . 4.4 2 c(Fe)10 g/mL 500 mL I(4.5 ) 50 mL (4.7 ) 1 2 mL 0.500 g . 5 . 500 mL . 1 kg 1 g 2 . 1 mL 100 mL /1-/n- (4.1 ) . 4.5 I c(HCl)10 mol/L 2 KS H ISO 3976:2007 4.6 II c(HCl)0.2 m

6、ol/L 2 mL I(4.5 ) 100 mL . 4.7 (H 2 O 2 ) 30 % 4.8 (HNO 3 ) 10 % 5 . 5.1 (4.8 ) 24 . 4 4 100 (5.10 ) 1 . . . 5.2 0.1 mg 1 mg . 5.3 9.9 mL, 9.6 mL, 9.4 mL, 8.9 mL, 8.4 mL 7.9 mL /1-/n- (4.1 ) . 5.4 0.5 mL, 1.0 mL, 1.5 mL 2.0 mL 1 (4.4 ) . 5.5 (4.3 ), 1 (4.2 ), II(4.6 ) 0.05 mL . 5.6 500 nm . 5.7 3 KS

7、 H ISO 3976:2007 (5.6 ) , . 5.8 . 5.9 40 45 . 5.10 (1002) . 5.11 350 g ( , ). 5.12 (5.11 ) . 5.13 ( ) . 5.14 . 6 , . , (KS H ISO 707/IDF 50 ) 7 7.1 . 7.2 , , , (ghee) ( IDF 68A ) , . . . 7.3 4 KS H ISO 3976:2007 (5.12 ) . 40 45 (5.9 ) . 350 g 5 . (5.13 ) 40 45 (5.9 ) . . . 8 ( A ) 8.1 8.1.1 . . 8.1.

8、2 2 500 nm . 8.1.3 (5.7 ) . 10 . . , . 10 . 8.2 8.2.1 (5.3 ) 9.90 mL /1-/n- (4.1 ) (5.8 ) . 8.2.2 (5.5 ) 0.05 mL (4.3 ) . 8.2.3 (5.5 ) 0.05 mL 2 (4.2 ) . 8.2.4 (5.7 ) . 10 . /1-/n- (4.1 ) E 1 . 4 . 8.2.5 (E 1 ) 0.010 . (E m ) 0.030 . , , , . . 8.3 8.3.1 (5.8 ) (7.2 7.3 ) 0.33 g 0.001 g 5 KS H ISO 39

9、76:2007 . 8.3.2 (5.3 ) 9.60 mL /1-/n- (4.1 ) . . 8.3.3 (5.5 ) 0.05 mL (4.3 ) . 8.3.4 (5.7 ) . 10 . /1-/n- (4.1 ) (E 0 ) . 8.3.5 , 8.3.4 (E 0 ) . 0 0 0 m m E E E 0 : E 0 : (8.3.4 ) m 0 : (8.3.1 ) m : (8.4.1 ) 8.4 8.4.1 (5.8 ) (7.2 7.3 ) 0.33 g 1 mg . 8.4.2 (5.3 ) 9.60 mL /1-/n- (4.1 ) . . 8.4.3 (5.5

10、) 0.05 mL (4.3 ) . 8.4.4 (5.5 ) 0.05 mL 2 (4.2 ) . 8.4.5 (5.7 ) . 10 . /1-/n- (4.1 ) (E 2 ) . 8.4.6 , 8.3 8.4 . 8.3.1 8.3.3 . E 0 8.3.4 /1-/n- . 0.05 mL 2 (4.2 ) 8.4.4 . 8.4.5 (E 2 ) . 8.5 (5.4 ) 0.5 mL, 1.0 mL, 1.5 mL, 2.0 mL 2 (4.4 ) (5.8 ) 5 g, 10 g, 15 g, 20 g Fe 3+ 6 KS H ISO 3976:2007 . (5.3 )

11、 9.4 mL, 8.9 mL, 8.4 mL, 7.9 mL /1-/n- (4.1 ) (5.8 ) 9.9 mL . (5.5 ) 0.05 mL (4.3 ) 0.05 mL II(4.6 ) . (5.7 ) . 10 . /1-/n- (E Fe ) . Fe 3+ ( ) , . bX a Y Y :() E FeX :() Fe 3+ a : b :Fe 3+ (9.1.2 ) ( ) s y,x 0.010 . , , , . . ( A ) 50 g Fe . 9 9.1 9.1.1 E . 1 0 2 E E E E E 2 :8.4.5 E 0 :8.3.5 E 1 :

12、8.2.4 9.1.2 Fe 3+ Fe 3 m c . b E m c E :9.1.1 , b :8.5 7 KS H ISO 3976:2007 9.1.3 1 PV . m m 84 . 55 5 . 0 PV c m c :9.1.2 , Fe 3+ m : (8.4.1 ) 55.84 : Fe 3+ 9.2 . . 10 10.1 B . . 10.2 5 % 1 0.03 . 10.3 5 % 1 0.07 . 11 . a) b) c) , d) e) ( ) 8 KS H ISO 3976:2007 A () A.1 . A.2 A.3 . A.1 g Fe g Fe a

13、5 10 15 20 30 40 50 (7.2/7.3), g 0.33 0.33 Fe(III)(4.4), mL 0.501.001.502.00 3.00 4.005.00 (4.1), mL 9.60 9.60 9.90 9.40 8.90 8.40 7.90 6.90 5.90 4.90 (4.3), mL 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Fe(II)(4.2), mL 0.05 0.05 (4.6), mL 0.05 0.05 0.05 0.05 0.05 0.05 0.05 E c (500 nm) E 2E

14、oE 1E 5E 10 E 15 E 20E 30E 40E 50 a8.5 . A.2 (8.5) X g Fe(III) Y E Fe (III) 5 0.141 10 0.283 15 0.423 20 0.562 E Fe(III) 0.001 50.028 1 g Fe(III). 1 g Fe 0.028 1 . A.3 (9.) (m) g (m 0 ) g E 0E 1E 2E E 0m cg PV mmol/kg0.290 9 0.290 8 0.019 0.020 0.204 0 0.165 0 0.019 0 5.880 0.18 0.291 5 0.291 0 0.03

15、7 0.020 0.094 0 0.036 9 0.037 1 1.316 0.04 9 KS H ISO 3976:2007 B () 8 11 11 . (CRA) . KS A ISO 57251 KS A ISO 57252 B.1 . B.1 1 2 3 4 5 6 7 8 a9 9 9 9 9 9 8 b8 b c1.049 0.6990.6070.4450.308 0.271 0.913 0.690 0.618 s r c0.040 0.021 0.024 0.015 0.014 0.011 0.015 0.017 0.022 d3.77 2.94 3.92 3.47 4.47

16、4.08 1.62 2.40 3.56 r(2.8 s r ) c0.111 0.058 0.067 0.043 0.038 0.031 0.041 0.046 0.06 s R0.061 0.0520.0410.0350.042 0.030 0.058 0.050 0.047 d5.82 7.38 6.83 7.83 13.62 11.01 6.34 7.20 7.61 R(2.8 s R ) c 0.171 0.144 0.116 0.098 0.117 0.084 0.162 0.139 0.13 a , 9 . b . c1 . (SI ) , 2 . d(%) 10 KS H ISO

17、 3976:2007 C () C.1 /1-/n- , KS H ISO 3976:2007 IDF 74A:1991 / ( 7 :3) /1-/n- ( 3 :2:1) . / . C.2 , C.1 C.1 . C.1 /(CM) /1-/n-(MDH) KS H ISO 3976:2007 IDF 74A:1991 . C.1 /(CM) /1-/n-(MDH) KS H ISO 3976:2007 IDF 74A:1991 , 1 kg , . C.3 26 . , , . 11 KS H ISO 3976:2007 X Fe 3+ ( g) Y C.1 /(CM) /1-/n-(

18、MDH) 12 KS H ISO 3976:2007 C.1 /(7:3)(CM) /1-/n-(3:2:1)(MDH) 26 CM MDH meq/kg a meq/kg 1 2 1 2 1 0.036 0.030 0.033 0.036 0.028 0.032 2 0.384 0.395 0.390 0.361 0.376 0.369 3 0.100 0.101 0.101 0.102 0.102 0.102 4 0.027 0.027 0.027 0.038 0.037 0.038 5 0.061 0.092 0.077 0.058 0.052 0.055 6 0.072 0.072 0

19、072 0.069 0.075 0.072 7 0.078 0.080 0.079 0.068 0.071 0.070 8 0.096 0.086 0.091 0.091 0.091 0.091 9 0.080 0.083 0.082 0.137 0.100 0.119 10 0.104 0.082 0.093 0.101 0.104 0.103 11 0.037 0.034 0.036 0.048 0.055 0.052 12 0.070 0.070 0.070 0.088 0.077 0.083 13 0.375 0.379 0.377 0.339 0.342 0.341 14 0.05

20、2 0.058 0.055 0.045 0.030 0.038 15 0.041 0.039 0.040 0.035 0.034 0.035 16 0.040 0.030 0.035 0.020 0.034 0.027 17 0.060 0.045 0.053 0.054 0.050 0.052 18 0.062 0.043 0.053 0.040 0.041 0.041 19 0.031 0.038 0.035 0.057 0.050 0.054 20 0.054 0.052 0.053 0.062 0.064 0.063 21 0.037 0.046 0.042 0.034 0.039 0

21、037 22 0.062 0.065 0.064 0.056 0.059 0.058 23 0.147 0.142 0.145 0.105 0.119 0.112 24 0.098 0.076 0.087 0.059 0.054 0.057 25 0.034 0.018 0.026 0.033 0.035 0.034 26 0.059 0.050 0.055 0.071 0.065 0.068 0.087 0.084 0.023 0.020 a 1 kg . (SI ) 2 . 13 KS H ISO 3976:2007 14 1 KS H ISO 707, 2 KS A ISO 57251

22、2002, ( )1: 3 KS A ISO 57252:2002, ( )2: 4 IDF 68A:1977, , , , 5 AOAC 920.160, 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS H ISO 3976 :2007 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Milk fat Determination of peroxide value ICS 67.100.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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