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GOST R 54390-2011 Food products Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content Part 2 Cerea.pdf

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1、 2, ISO/TS 16634-2:2009Food products Determination of the total nitrogen content by combustionaccording to the Dumas principle and calculation of the crude protein content Part 2: Cereals, pulses and milled cereal products(IDT) 543902011/ISO/TS 16634-2:2009 27 2002 . 184- 1 - ( ) , - 42 335 - 3 - 30

2、 2011 . 250-4 / 16634-2:2009 . . 2. , (ISO/TS 16634-2:2009 Food products Determination of the total nitrogen content by combustion accordingto the Dumas principle and calculation of the crude protein content Part 2: Cereals, pulses and milled cerealproducts). - 1.52004 ( 3.5). ( ) 5 1.02012 ( 8). (

3、1 ) , - . () - . , - (gost.ru) , 2013 , - - II 543902011/ISO/TS 16634-2:20091 12 13 14 25 26 .27 .38 39 .49.1 .49.2 49.3 .49.4 49.5 49.6 .510 .510.1 510.2 511 611.1 .611.2 611.3 .611.4 611.5 .612 .7 A () 8 B () .9 () 12 D () 13 E () 14 () ( ) 18 19 543902011/ISO/TS 16634-2:2009III - . - , . , - . ,

4、- . . -. , , , - . , , . , , -, , . , - . , - , . , , / 16634-2:2009 , - .IV 543902011/ISO/TS 16634-2:2009 2, Food products. Determination of the total nitrogen content by combustion according to the Dumas principle andcalculation of the crude protein content. Part 2. Cereals, pulses and milled cere

5、al products 201307011 - , . , (. 1 6), - . - (. D).2 . - . - ( ). 712 . . - 6540 . ( ) 24557 . . 3 .3.1 (nitrogen content): , -, . .3.2 (crude protein content): (3.1), -, 5,7 , , 6,25 , - . , () . , , , , , .1 543902011/ISO/TS 16634-2:20094 . . - , -. .5 , - . (. 5.12), .5.1 ()-(): 5.1.1 5.1.2.5.1.1

6、 , CO2 99,99 % .5.1.2 , 99,99 % .5.2 , O2 99,99 % .5.3 , (PbCrO4) .5.4 / . 5 % Pt (Al2O3) CuO 1:7 1:8 . , , .5.5 . .5.6 () - .5.7 (, , ) . (1%).5.8 (P2O5) Mg(ClO4)2, .5.9 .5.10 (CuO) .5.11 (NaOH) .5.12 (C4H7NO4) (C10H16N2O8), (C5H9NO4), (C9H9NO3) , . 99 % .5.13 30 C 60 C , .6 , , :6.1 , 0,0001 .6.2

7、.6.3 800 1 , , .2 543902011/ISO/TS 16634-2:20096.4 (, , , ) -, , . 1 , . 2 (, ) .6.5 *, , , 850 C, -. , - A, . B.1, B.2 B.3. . , - (-, ), .7 . - . , . ISO 24333 7 .8 , - . (6.2), . - (6.3) 800 - ( 300 ) 1 (300 ). , , , 1, . 1 , , % 710500200100 95 100 85 , , . 712 , , 6540 24557 . - 2 + 1 . 2 % .* Elementar Analysensysteme, Sumika Chemical Analysis Service LECO Instruments . , . .3 543902011/ISO/TS 16634-2:20099 9.1

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关键词：: GOSTR543902011FOODPRODUCTSDETERMINATIONOFTHETOTALNITROGENCONTENTBYCOMBUSTIONACCORDINGTOTHEDUMASPRINCIPLEANDCALCULATIONOFTHECRUDEPROTEINCONTENTPART2CEREAPDF

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