GOST ISO 6320-2012 Animal and vegetable fats and oils Method for determination of refractive index《动植物油脂 折光指数的测定方法》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) ISO 63202012 (ISO 6320:2000, IDT) ISO 63202012 II , 1.0 92 . 1.22009 . , . , , , 1 - ( ) , 4 2 ( 116) 3 , ( 03 2012 . 54-) : ( 3166) 00497 ( 3166) 00497 AM BY KZ KG MD - RU TJ UZ 4 ISO 6320:2000 Animal and vegetable fats

2、 and oils. Determination of refractive index ( . ). ISO/TC 34/SC 9 ISO/TC 34 (ISO). 1.5 ( 3.6). , . (en). , , . (IDT) 5 29 2013 . 468- ISO 63202012 1 2014 . 6 ISO 63202012 III , . () . , , 2014 , ISO 63202012 IV () (- ). . -, , , . , , . , (). , /, 3. , , - . 75 % -, . , . - . ISO 6320 ISO/TC 34 , S

3、C 11 . (ISO 6320:1995), . . ISO 63202012 1 Animal and vegetable fats and oils. Method for determination of refractive index 20140701 1 . 2 , . . - . . ISO 661 Animal and vegetable fats and oils Preparation of test sample ( . ) 3 : 3.1 (): . 1. ; , D- (589,6 ). 2. . - ntD, t . 4 . 5 , . 5.1 , , . 5.2

4、 , , , . 6 , , : 6.1 , , , (ntD) = 0,0001 ntD= 1,300 ntD = 1,700. ISO 63202012 2 6.2 : . , . 6.3 . 6.4 , , 0,1 . 6.5 , , ( ). 7 , , . , . ISO 5555. 8 ISO 661. . , ISO 661, (6.5), , . , . 9 : (11.2) 9.1 9.2. 9.1 (6.1) (6.3) (5.1). 9.2 : ) 20 , ; b) 40 , , 20 . c) 50 - , , 40 ; d) 60 - , , 50 ; e) 80

5、- , , . (6.4). , , . . , (5.2) . . 0,0001 . , (5.2). . , - . ISO 63202012 3 10 t1, , t 3, ntD t : ntD= nt1D+ (t1- t) F, t1 , , ; t (. 9.2), ; F , : 0,00035 t = 20 ; 0,00036 t = 20 ; t = 40 ; t = 50 ; t = 60 ; 0,00037 t = 80 . t1, , t 3 , . , . 11 11.1 . , . 11.2 . , . 11.2 , , , , , , r 5 % . 11.3 ,

6、 , , , , , R 5 % . 12 : - , ; - , , ; - , , , ; - () () , , . ISO 63202012 4 () : - (); - (B); - (); - (D); - (). , ISO 5725-1 ISO 5725-2, , .1. .1 A B D E 9 9 9 9 9 , 9 9 9 9 9 45 45 45 45 45 1,47324 1,457512 1,48233 1,48391 1,47930 , sr , % r (2,8 sr) 0,00006 0,01 0,00017 0,00006 0,01 0,00017 0,00006 0,01 0,00017 0,00005 0,01 0,00015 0,00005 0,01 0,00013 , sR