KS H ISO 3960-2012 Animal and vegetable fats and oils-Determination of peroxide value-Iodometric(visual) endpoint determination《动植物油脂 过氧化值测定 碘量(可视的)终点测定》.pdf

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KS H ISO 3960-2012 Animal and vegetable fats and oils-Determination of peroxide value-Iodometric(visual) endpoint determination《动植物油脂 过氧化值测定 碘量(可视的)终点测定》.pdf_第1页
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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 3960 ( ) KS H ISO 3960:2012 2012 12 29 http:/www.kats.go.krKS H ISO 3960:2012 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) : :2002 7 31 :2012 12 29 2012-0834 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS H ISO 3960:2012 . ii 1 1 2 1

2、3 .1 4 2 5 2 6 .3 7 .3 8 4 9 4 9.1 .4 9.2 0.01 N 4 9.3 .5 10 6 11 6 11.1 6 11.2 .6 11.3 .6 12 .6 A( ) 7 9 KS H ISO 3960:2012 .10 i KS H ISO 3960:2012 2007 4 ISO 3960, Animal and vegetable fats and oils Determination of peroxide valueIodometric(visual) end point determination , . ii KS H ISO 3960:201

3、2 ( ) Animal and vegetable fats and oilsDetermination of peroxide valueIodometric(visual) endpoint determination 1 . , . 0 meq 30 meq( ) , . . , . . , . , . 1 KS H ISO 3976 2 ISO 27107 2 . . ( ) . KS H ISO 661, 3 . 3.1 PV (meq) (mmol) SI . KS H ISO 3960:2012 (mmol) (meq) . (8) (kg meq) kg . 4 . . 5

4、. , , . , . . 5.1 , 20 C . 5.2 , 100 % ( ) . 5.3 , ( ) . 5.4 / , 60 mL 40 mL ( : 60 mL/100 mL, 40 mL/100 mL). ( ) . 5.5 , . 5.6 , (KI)175 g/100 mL 8 g 14 g . . . 30 mL / ( 5.4) 0.5 mL . 0.1 mol/L (5.7) . 5.7 0.1 N , c(Na2S2O3) 0.1 mol/L, , (purged) . , - (stained) . 5.8 0.01 N , c(Na2S2O3)0.01 mol/L

5、( 9.2 ) , 0.1 mol/L . 2 KS H ISO 3960:2012 pH . , , . 5.9 , 1 g/100 mL 0.5 g . 50 mL , . . . 5.10 (KIO3) , Gaithersburg, MD (NIST) . 5.11 , c(HCl)4 moL/L 6 , . 6.1 , 250 mL . 6.2 , 10 mL 25 mL 0.05 mL ( ) . 6.3 , 20 mL 10 L 0.15 % . 6.4 ( ), 0.5 mL, 1 mL, 10 mL, 100 mL . 6.5 , 50 mL, 100 mL . 6.6 ,

6、0.001 g . 6.7 , (2.5 cm) . 6.8 , 1 000 mL . 6.9 , 250 mL . 6.10 , 500 mL . 6.11 , . . . 7 3 KS H ISO 3960:2012 . , KS H ISO 5555 . 8 KS H ISO 661 . , . , . 10 C . , . , 5 g 30 meq . , 12. f) . 9 9.1 . . . . 9.2 0.01 N 9.2.1 0.01 N (6.4), 0.1 N 100 mL 1 000 mL ( 6.8), (5.1). , 0.01 N - . 0.1 N 0.01 N

7、 . , pH (free carbon dioxide) . , . 9.2.2 0.01 N ( ) (250 mL 500 mL)( 6.9 6.10) 0.001 mg 0.27 g0.33 g , ( 5.1) . ( 6.4) 5 mL 10 mL 250 mL ( 6.1). 60 mL, 4 mol/L 5 mL, 25 mg 50 mg( 5.5) 0.5 mL (5.6). 4 KS H ISO 3960:2012 0.01 N () ( 9.2.1 ). 0.01 N cstand . 10000016thio32KIO3KIO31KIO3stand=cVVMVmc mK

8、IO3: (g) 6 : (1 mol KIO33 mol I2) V1: (5 mL 10 mL) V2: (250 mL 500 mL) V3:0.01 N (mL) KIO3: (g/100 g) MKIO3: (214 g/mol) cthio:0.01 N (mol/L)(0.01) 9.3 9.3.1 (6.1) 0.1 mg . a) 1 30 (5.0 0.1) g b) 0 1 (10.0 0.1) g / (5.4) . 9.3.2 , 50 mL / . ( ), 20 mL (5.3), 30 mL ( 5.2) . 9.3.3 0.5 mL (5.6) . 60 (

9、1 ) (6.7). 9.3.4 100 mL , . 9.3.5 0.01 N (5.8) 0.5 mL (5.9), . 30 , . 1 0.01 N (5.8) 1530 . 2 1 , . 9.3.6 , 0.01 N 0.1 mL . , . 5 KS H ISO 3960:2012 10 ( “PV” ) . mccVV 0001)(PVstandthio0= V : 0.01 N (mL) V0: 0.01 N (mL) cstand:9.2 0.01 N cthio:0.01 N (mol/L)( 0.01) m : (g) . 11 11.1 A . . 11.2 2 A.

10、1 A.2 r 5 % . 11.3 2 A.1 A.2 R 5 % . 12 . a) b) c) d) e) , f) , . 6 KS H ISO 3960:2012 A () 9 23 . A : / (1 : 1) B :( , ) C : D : E :, F : G : H : (Lard) I : J : K : 2004/2005 (DIN) . KS A ISO 5725 1, KS A ISO 57252 A.1 . A.1 A B C D E F 23 23 21 23 23 23 21 21 18 22 23 22 42 42 36 44 46 44 , meq/kg

11、 1.63 3.21 8.34 12.04 19.02 26.92 , sr, meq/kg 0.10 0.08 0.25 0.26 0.36 0.33 , % 6.0 2.6 3.0 2.2 1.9 1.2 , r( 2.8 sr), meq/kg 0.27 0.23 0.69 0.73 1.01 0.92 , sR, meq/kg 0.22 0.46 0.80 1.07 1.71 3.06 , % 13.3 14.2 9.6 8.9 9.0 11.4 , R( 2.8 sR), meq/kg 0.61 1.28 2.25 3.00 4.78 8.57 7 KS H ISO 3960:201

12、2 A.2 G H I J K (5 g) K (10 g) 16 16 16 16 16 16 15 15 14 12 13 11 30 30 28 24 26 22 , meq/kg 1.60 3.67 2.99 4.77 0.55 0.71 , sr, meq/kg 0.07 0.09 0.08 0.17 0.06 0.04 , % 4.6 2.3 2.7 3.66 11.4 6.0 , r( 2.8 sr), meq/kg 0.20 0.24 0.22 0.49 0.17 0.12 , sR, meq/kg 0.45 0.48 0.44 0.27 0.19 0.25 , % 28.0

13、13.0 14.7 5.6 34.7 34.8 , R( 2.8 sR), meq/kg 1.25 1.33 1.23 0.75 0.53 0.69 8 KS H ISO 3960:2012 1 KS H ISO 3976:2007, 2 KS H ISO 5555, 3 KS A ISO 5725 1: 2012, ( ) 1: 4 KS A ISO 57252 :2012, ( )2 : 5 ISO 27107, Animal and vegetable fats and oils Determination of peroxide valuePotentiometric end-poin

14、t determination 9 KS H ISO 3960:2012 KS H ISO 3960:2012 , . 1 . 1 () 2002. 7.31 20020772 a) : b) 2002.7.31 c) ISO 3960 3 . 2007.7.26 20070451 ISO 3960 3 . : 2012.12.29 20120834 ISO 3960 3 4 . 2008.8.25 a) : () b) : c) 1. d) 2. e) 3. f) 4. g) 6. 10. h) 11. i) 12. 10 () 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ KS H ISO 3960:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Animal and vegetable fats and oils Determination of peroxide value Iodometric(visual) endpoint determination ICS 67.200.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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