1、 () 5 , (EN 12014-5:1997, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)EN 12014-52014, - 1.092 . - 1.22009 . , . , , -, 1 - - ( ) , 52 (-) ( 335)3 , (- 30 2014 . 68-) : ( 3166) 00497 ( 3166) 00497 AMBYKGMDRU -4 1 2014 . 849- EN 12014-52014 1 2016 .5 N 12014-5:1997
2、Foodstuffs Determination of nitrate and/or nitrite content Part 5: Enzymatic determination of nitratecontent of vegetable containing food for babies and infants ( . () . 5. , , ). CEN/TC 275 -. , DIN. (de). , , - . - . (IDT)6 II EN 12014-52014 - , - . () - . , , 2015 -, III EN 12014-520141 12 13 14
3、15 .26 37 .48 .59 5 () 6 () .7 .7IV EN 12014-52014 () 5 , Foodstuffs. Determination of nitrate and/or nitrite content. Part 5. Enzymatic determination of nitrate contentof vegetable containing food for babies and infants 201601011 , 1, 2. - 50 200 /.2 , - . - . , , . , .EN 12014-1 Foodstuffs. Determ
4、ination of nitrate and/or nitrite content. Part 1. General considerations( . () . 1. )EN ISO 3696 Water for analytical laboratory use Specification and test methods (ISO 3696:1987)( . )3 - ( c215) . + c215H+H+c190c174c190c190c190c190c190c190 + +H2O. c215, , -, 3.4 N ISO 3696. .1 EN 12014-52014 -4.1
5、I 150 (II) K4Fe(CN)6c2153H2O , 1000 3, -. . 2.4.2 II 200 (Zn(SO4)2c2157H2O) , 1000 3.4.3 , c(NaOH)=2/3.4.4 7,31) 0,66 (C3H4N2) 80 3. 7,3 (HCl) = 2 /3, 100 3. 1 4 .4.5 1) ( c215Na2) - 0,17 /3 c215Na2 88 %. 1 4 .4.6 c2151) - (c98-c215c215c215Na4) 5,6 /3 c98-c215c215Na4 - 98 %. 1 4 2 .4.7 -1) 60 - 0,4
6、/2), Aspergillus ( 1.6.6.2) 4, 5 3. - 2 4 .5 , -, .5.1 (, ) - , - .5.2 .5.3 .5.4 , - 0,05 3, 0,1 3,1323, .5.5 1 , 334, 340 365 .5.6 , 340 c1775 . , , 365 334 .5.7 , 2900g .5.8 .5.9 , 4 .1) - - .2) () , -, 1 .2 EN 12014-520146 6.1 , , , , - 5.1. 60 . , - 30 /3 300 /3. - - , , , , 0,1 3(V2).6.2 6.2.1
7、6.1 5 , - 1 , 100 3. 50 3 , 5.2 2030 , . - . , - 5,0 3 I 4.1. 510 , 5,0 3 II 4.2. - 510 , 89 ( 9), 4.3 -. 100 3, , . (V1). 10 2900g 10 . . 100 3, , . 5.9 4 - 30 , 5.3, . - , , , 1,0 3(V2). , , , .6.2.2 , - 20 . c215 340 . - 5.6 . - 365 334 . - , 1. 1 , , , 3 4.4 1,00 1,003 EN 12014-52014 1, , , 3 4.5 0,05 0,05 c215 4.6 0,10 0,10 6.2.1 1,00 2,00 1,00 , 5 (1). . - 4.7 0,05 0,05 , 40 (2), . 20 (3), ., - (1 2)s
