GOST R ISO 5764-2011 Milk Determination of freezing point Thermistor cryoscope method (reference method)《牛奶 凝固点测定 热敏电阻冰点测定仪法(基准法)》.pdf

1、 57642011 ( )ISO 5764:2009ilk Determination of freezing point Thermistor cryoscope ethod (Reference method)(IDT) 27 2002 . 184- , - 1.02004 . - 1 - ( ) - () , 42 335 - 3 - 17 2011 . 455-4 5764:2009 . . - ( ) (ISO 5764:2009 ilk Determination of freezing point Thermistorcryoscope method (Reference met

2、hod). - , 5 , - . () . - , , 2013 , - - II 576420111 .12 13 14 .25 26 .37 .48 49 59.1 59.2 510 510.1 510.2 510.3 .511 .611.1 .611.2 612 .612.1 .612.2 612.3 613 6 A () 7 B () .9 C () - 11 D () , - 14 () - .1516III 57642011 . ( )ilk. Determination of freezing point.Thermistor cryoscope method (referen

3、ce method) 201301011 , , , . . ., , 20 3- 0,1 /3 10 , - .1 (. 5).2 . - , , - . C.3 , 1 9.2, . , , .2 . - . ( ). 3696:1987 . (ISO 3969:1987 Water for analytical laboratory use Specification and test methods) 6091:1980* . ( )(ISO 6091:1980 Dried milk Determination of titratable acidity (Reference meth

4、od)3 .3.1 (freezing point of ilk): , , . ( C).* 6091:2010.1 57642011 4 . , , , 0,5 C 20 . - . , , .5 , - .5.1 3696, 2 , - . (20 c177 2) C .5.2 (NaCl), , (6.7) - (300 c177 25) C 5 , , (6.8) (130 c1772) C 24 , - (6.9).5.3 (. 1) (5.2) 0,1 (1000,0 c1770,1) (5.1). - 5 C (6.10) 250 3. (6.5) 0,1 (. 1, -) (

5、5.2). (5.1) 1000 3(6.6). (5.1) 1000 3(20 c177 2) C . 1 NaCl, / NaCl 20 C, /3 , C NaCl, / NaCl 20 C, /3 , C6,763 6,731 400,0 8,835 8,787 520,06,901 6,868 408,0 9,008 8,959 530,07,625 7,587 450,0 9,181 9,130 540,08,489 8,444 500,0 9,354 9,302 550,08,662 8,615 510,0 9,475 9,422 557,08,697 8,650 512,0 1

6、0,220 10,161 600,0 - . , . - ; . , , , 2 . - . .C.2 576420116 , , .6.1 , , - , , - (. 1).6.1.1 ,:a) : ;b) : ;c) : . (7,0 c177 0,5) C. 33 %- ( ) .6.1.2 , (1,6 c177 0,4) - 3 30 0 C. ( ) 2,5c215103/. , (. 1).1C400C600C. , 1 C 400 C 600 C . 1 C 0 C 1000 C.3 576420111 ; 2 ; 3 ; 4 1 , 6.1.3 , , . - . 23 ,

7、 . .6.1.4 , 3,0 C (6.1.3). 1-2 , (6.2).6.2 , , , - (50,5 c177 0,2) , (16,0 c177 0,2) (13,7 c177 0,3) (. 1) 0,1 . , . .6.3 , - .6.4 , c177 0,1 .6.5 .6.6 1000 3 1042 2, A.6.7 , (300 c177 25) C; 6.8 , (130 c177 2) C.6.9 , , .6.10 250 3 -.7 , . 1., , . . -, , 0 C 6 C 48 . .8 (6.1) -. , - (6.1.1). (. 1), . 100C.,- . (2,5 c177