1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H ISO 660 KS H ISO 660:2012 2012 12 29 http:/www.kats.go.krKS H ISO 660:2012 : ( ) ( ) () () () ( ) : (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 660:2012 . ii 1 1 2 1 3 .1 4 2
2、 5 2 6 3 7 .3 8 .3 9 3 9.1 ( ) .3 9.2 ( )4 9.3 .4 10 5 10.1 .5 10.2 .5 11 6 11.1 .6 11.2 .6 12 .6 A( ) .7 9 KS H ISO 660:2012 .10 i KS H ISO 660:2012 2009 3 ISO 660, Animal and vegetable fats and oils Determination of acidity , . ii KS H ISO 660:2012 Animal and vegetable fats and oils Determination
3、of acid value and acidity 1 (2 1 ) . , . , , , . , , . . 2 . . ( ) . KS H ISO 661, KS M ISO 3696, 3 . 3.1 1 g mg mg/g . 3.2 . . KS H ISO 660:2012 4 , . 9.1 9.2 . 5 . , , . , . 5.1 A(5.3), , , 96 % , propan-2-ol, , 99 % . 5.2 B(5.3), , tert -butyl , ( 40 C 60 C) . . . 5.3 , A B ( , A 50 mL/100 mL B 5
4、0 mL/ 100 mL). B , A ( , 25 mL) tert- 3 ( 75 mL) . 100 mL 0.3 mL . KOH (titration) , propan-2-ol . 5.4 , , 95 % 5.5 , . c(NaOH) c(KOH) 0.1 mol/L 0.5 mol/L . HCI . / / / . 5.6 , , , 1 g/100 mL 5.7 , , , 2 g/100 mL 5.8 6B, , , 2 g/100 mL 2 KS H ISO 660:2012 , . 5.9 , KS H ISO 3696 . 3 6 . 6.1 , 0.02 m
5、L 10 mL , KS L ISO 3851 A 6.2 , 0.05 mL 25 mL , KS L ISO 3851 A 6.3 , 0.001 g . 6.4 , ( ) 6.5 pH , / . 6.6 , 1 000 mL . KS L ISO 1042 A 7 . , KS H ISO 5555 . 8 KS H ISO 661 , , . 9 9.1 ( ) 9.1.1 , 1 . 9.1.2 1 , 250 mL . 9.1.3 50 mL 100 mL (5.3) . , - . 9.1.4 (5.6, 5.7, 5.8), (5.5) . 15 . 3 KS H ISO
6、660:2012 1 () g KOH mol/L g 01 20 0.1 0.05 14 415 10 2.5 0.1 0.1 0.02 0.01 1575 0.5 3.0 0.1 0.5 0.001 75 0.2 1.0 0.1 0.5 0.001 9.2 ( ) 9.2.1 1 , 150 mL . 9.2.2 50 mL100 mL (5.3), . , - . 9.2.3 . 9.2.4 30 (5.5). 9.2.5 , . 9.3 9.3.1 , . 9.3.2 1 , . 9.3.3 0.5 mL 50 mL . 70 C , 0.1 mol/L . 15 . . . 9.3.
7、4 . . . 4 KS H ISO 660:2012 10 wAV wFFA . a) 0 1 b) 1 100 c) 100 , () . wFFA0.5 wAV10.1 wAV ( ) , . mcVw=1.56AV c : (mol/L) V : (mL) m : (g) 10.2 wFFA , ( 2 ). mMcVw=0001100FFA V : (mL) c : (mol/L) M : (g/mol)( 2 ) m : (g) 2 g/mol 200 256 a 338 282 a 5 %( m/m) , . , . . 5 KS H ISO 660:2012 11 A . .
8、11.1 2 A.1 A.3 5 % . 11.2 2 A.1 A.3 5 % . 12 . a) b) c) d) . 6 KS H ISO 660:2012 A () . A.1, (hot) (9.3) 9.1 9.2 A.2 A.3 . 9.19.3 . A.1 ( mg KOH/g .) Lampante , N 26 26 26 26 26 26 , n 25 24 26 24 23 24 nz50 48 52 48 46 48 , AVw , mg/ga0.080 0.381 1.39 5.48 7.48 128.1 , sr, mg/ga0.003 0.006 0.04 0.0
9、7 0.08 0.6 , CV( r), % 3.6 1.7 2.6 1.2 1.1 0.4 , r (sr2.8), mg/ga0.008 0.018 0.10 0.19 0.23 1.6 , sR, mg/ga0.018 0.019 0.05 0.15 0.40 2.6 , CV (R), % 22.2 5.0 3.6 2.7 5.3 2.1 , R (sR2.8), mg/ga0.049 0.053 0.14 0.41 1.12 7.4 a 1.99 . 7 KS H ISO 660:2012 A.2 ( ) Lampante , N 39 28 28 37 23 25 , n 37 2
10、6 24 37 22 25 , nz74 52 48 74 44 50 , FFAw , %, 0.343 3.80 19.55 0.604 0.830 1.49 , sr, % 0.007 0.03 0.09 0.012 0.009 0.009 , CV( r), % 1.9 0.8 0.5 1.9 1.1 0.6 , r (sr2.8), % 0.018 0.07 0.26 0.033 0.025 0.025 , sR, % 0.019 0.12 0.60 0.035 0.027 0.027 , CV( R), % 5.5 3.2 3.1 5.8 3.3 1.8 , R (sR2.8),
11、% 0.053 0.33 1.67 0.098 0.075 0.075 A.3 ( ) , N 12 27 41 41 23 , n 10 27 39 40 22 , nz20 54 78 80 44 , FFAw , %, 3.11 4.09 6.46 1.72 7.26 , sr, % 0.01 0.021 0.03 0.02 0.03 , CV( r), % 0.4 0.5 0.4 0.1 0.3 , r (sr2.8), % 0.03 0.06 0.07 0.06 0.07 , sR, % 0.161 0.064 0.082 0.07 0.085 , CV( R), % 5.2 1.6
12、 1.3 4.1 1.2 , R (sR2.8), % 0.45 0.18 0.23 0.20 0.24 8 KS H ISO 660:2012 1 KS L ISO 3851, 1 : 2 KS L ISO 1042, 3 KS H ISO 5555, 4 ISO 5725:1986, Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests 5 KS A ISO 5725( ), ( ) 6
13、 IUPAC method 2.201, Determination of the acid value(A.V.) and the acidity 9 KS H ISO 660:2012 KS H ISO 660:2012 , . 1 . 1 () 2002. 7.31 20020772 a) : b) 2002.7.31 c) ISO 660, 1 . 2007.7.26 20070451 ISO 660 1 2 . 2012.12.29 20120834 ISO 660 2 3 . 2008.8.25 a) b) c) 10 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ KS H ISO 660:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Animal and vegetable fats and oilsDetermination of acid value and acidity ICS 67.200.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
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