GOST EN 14083-2013 Foodstuffs Determination of trace elements Determination of lead cadmium chromium and molybdenum by graphite furnace atomic absorption spectrometry (GFAAS) after.pdf

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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 14083 2013 , , - (N 14083:2003, IDT) 2014 EN 140832013 II , - 1.092 . 1.22009 . -, . , , , 1 - ( -) - , 4 2 ( 335) 3 , (- 61- 5 2013 .) : ( 3166) 00497 ( 3166) 00497 AM BY KZ KG MD - RU UZ 4 N 14083:2003 Foodstuffs. D

2、etermination of trace elements. Determination of lead, cadmium, chromium and molybdenum by graphite furnace atomic absorption spectrometry (GFAAS) after pressure digestion ( . . , , - - ). CEN/TC 275 . , DIN. - . (en). , - , . (IDT) 5 22 - 2013 . 1745- EN 140832013 - 1 2015 . 6 EN 140832013 III - ,

3、. () - - . , , 2014 -, - EN 140832013 1 , , - - Foodstuffs. Determination of trace elements. Determination of lead, cadmium, chromium and molybdenum by graphite furnace atomic absorption spectrometry (GFAAS) after pressure digestion 20150701 1 - , , - - - . , - , . 2 - . - . , . EN 13804 Foodstuffs

4、Determination of trace elements Performance criteria, general considera-tions and sample preparation ( . . - , ) EN 13805 Foodstuffs Determination of trace elements Pressure digestion ( . . -) - , 1 , - . (), - () . , , , , . 3 EN 13805 - , , - - 1, 2, 4. - , , . , . EN 140832013 2 - . 4 4.1 - , . 4

5、.2 25 %, 1,13 /3, . 4.3 65 % 1,4 /3, . 4.4 , , . , - . -. 4.4.1 , 1000 /3 1,598 (Pb(NO3)2) , 10 3 4.3 1000 3 . - 1000 3 .4.4.2 , 1000 /3 1,000 , 10 3 4.2 1000 3 . - 1000 3 .4.4.3 , 1000 /3 3,735 (K2CrO4) , - 1000 3 .4.4.4 , 1000 /3 1,840 (NH4)6Mo7O24 4H2O) - , 1000 3 10 3 - 25 % 0,91 /3. 10003 .4.5

6、. . -. EN 13805 -, , . 4.6 , - . 4.7 4.7.1 , - . - . EN 140832013 3 4.7.24.7.5 - , . - . 4.7.2 , 0,25 (Mg(NO3)26H2O) 100 3 .4.7.3 0,075 2 3 4.3, 25 3 , 0,05 (Mg(NO3)26H2O), 50 3.4.7.4 0,5 (NH4H2PO4) -, 0,05 (Mg(NO3)26H2O) 1 3 4.3, 50 3.4.7.5 1 3 10/3 500 3 4.2, 103. 1 100 3 . - . 5 5.1 , , , , N 13804. 5.2 - , - . 5.3 - . 5.4 (). 5.5 , , ( - ). 6 6.1 - - N 13805 - - . 6.2 - 6.2.1 - - - . - , , . , - EN 140832013 4 . - . 1. 1 - , 283,3 228,8 357,9 313,3 , 0,7 0,7 0,7 0,7 6.2.2 - 6.2.2.1 . , , . 4.7 - . . . 6.2.2.2

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