GOST 31757-2012 Animal and vegetable fats and oils and their derivates Determination of solid fat content Pulsed nuclear magnetic resonance method《动物和植物的脂肪和油及其衍生物 固态脂肪含量的测定 脉冲核磁共振方.pdf

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1、 , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC)31757null2012 , - (ISO 8292-1:2008, NEQ)(ISO 8292-2:2008, NEQ) 317572012II, - 1.092 . - 1.22009 . -, . , , , 1 - ( -) 2 ()3 , (- 24 2012 . 51) : ( 3166) 00497 ( 3166) 00497 AMBYKGMDRUUZ - 4 29 2012 . 1622- 317572012 - 1 20

2、13 .5 :- ISO 8292-1:2008 Animal and vegetable fats and oil Determination of solid fat content by pulsed NMR Part 1: Direct method ( . - . 1. );- ISO 8292-2:2008 Animal and vegetable fats and oil Determination of solid fat content by pulsed NMR Part 2: Indirect method ( . . 2. ). ( NEQ). 5315820086 -

3、 , - . () - . , , 2014 -, 317572012 III1 .12 .13 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 .26 , , .37 .58 59 .510 1311 .1312 .1313 13 () .141 20130701 1 , ( ) - () :- ; - . 1,5 % 95,0 %. - (

4、1 %), .2 : 12.1.01893 . 12.1.01979 . . - 3791 . 97681 , , . 177074 . , , , . 547183 . 828591 . 1202676 . 241042001 . 2533682 . , , 1 , - . (), () . , , , , . 317572012 , - Animal and vegetable fats and oils and their derivates. Determination of solid fat content by pulsed nuclear magnetic resonance

5、method 317572012 23 :3.1 : ( ) - , . , ( ) , -, , -. , ( 0,5 % 1,0 %).3.2 : , - , 100 , .3.3 : , - , - / / .3.4 : , . , , - : 0 C, 5 C, 10 C, 15 C, 20 C, 25 C, 27,5 C, 30 C, 32,5 C, 35 C, 37,5 C, 40 C, 45C, 50 C, 55 C 60 C. 3.5 : -. 0 C - ; . -, , , . 3.6 : - . 0 C - , . , , , . : 90 0 C 60 10 C, 20

6、 C, 30 C 40 C 5,5 , 2,5 .3.7 : , , ( ) . 4 :f () - ;N , ;S1, S2 , 11 70 , .5 5.1 ; . - - 90 : 317572012 3- , ( 11 70 ); ). - , - . f, - N, %, , NT=f (S1 S2)f (S1 S2) + S2 100, (1) f ;S1, S2 , 11 70 , .- - , . .5.2 : - 18 28 ;- 20 % 80 %.- .(220 20) ;- (50 1) .6 , , 6.1 - *, -:- - 2040 ;- 1000 ;- 10 ( - , - );- 90 ;- 10 ;- (40,0 0,1) , - 0,01;- - , - , ;- - (), ;- - - ;- - (), .6.2 . . , .* - Minispec Bruker. 317572012 46.3 -, , (10,00 0,25) , (0,90 0,25) , 150 ( ). 6.4 24104 - 0,02 .6.5 , 0,1 . 0 60 . . 6.6 : (10,35 0,10) . 70 . 10 . 17 ( ). . 60 . 6.7 : 11 15 . 20 ( ).

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