GOST EN 12821-2014 Foodstuffs Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography《食品 采用高效液相色谱法测定胆钙化醇 (维生.pdf

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GOST EN 12821-2014 Foodstuffs Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography《食品 采用高效液相色谱法测定胆钙化醇 (维生.pdf_第1页
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GOST EN 12821-2014 Foodstuffs Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography《食品 采用高效液相色谱法测定胆钙化醇 (维生.pdf_第3页
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GOST EN 12821-2014 Foodstuffs Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography《食品 采用高效液相色谱法测定胆钙化醇 (维生.pdf_第4页
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GOST EN 12821-2014 Foodstuffs Determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography《食品 采用高效液相色谱法测定胆钙化醇 (维生.pdf_第5页
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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 12821 2014 ( D3) ( D2) (EN 12821:2009, IDT) 2015 EN 128212014 II , - 1.092 . 1.2 2009 . -, . , , , 1 - ( ) , 5 2 ( 335) 3 , (- 25 2014 . 45-2014) : ( 3166) 004 97 ( 3166) 004 97 AM KG MD RU TJ UZ - 4 22 - 2014 . 963-

2、EN 128212014 - 1 2016 . 5 N 12821:2009 Food-stuffs Determination of vitamin D by high performance liquid chromatography Measurement of cholecal-ciferol (D3) or ergocalciferol (D2) . D . ( D3) ( D2) (en). , - , . - . (IDT) 6 - , . () - - . , , 2015 -, - EN 12821 2014 1 ( D3) ( D2) Foodstuffs. Determi

3、nation of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) content by high performance liquid chromatography 2016 01 01 1 D3 () D2 () (). D3 , , , D2 . D3, D2 - . , - D3, D2. D3 D2, 25- D 1,25- D, D- . - D2 D3 . , - . -, , , , , , , 0,4 14 /100 . D. 2 : EN ISO 3696 Water for analytical l

4、aboratory use Specification and test methods (ISO 3696:1987) ( . ) - , 1 , - . (), - () . , , , , . 3 D3 D2 - - - ( ) - . D3 D2. D2, D3. D EN 128212014 2 , . - , . 1 8. 4 4.1 , , , 1 EN ISO 3696. 4.2 . 4.3 , (C2H5OH) = 100 %. 4.4 , (C2H5OH) = 96 %. 4.5 , . 4.6 () = 50 /100 3 60 /100 3 - () = 28 /100

5、 3 - 9:1. 4.7 , (), , , - (Na2S) (BHT). 4.8 , ( ), -, , -, . 4.9 4.9.1 , - ( ) : - -2 (98+2), (99+1) (95+5); - (99+1); -, -2 (98+1+1); (99+1); - -2 (97+3). 4.9.2 , - ( ) - : ; (95+5) (93+7); (80+20), (90+10) (70+30); , (93+4+3). 4.10 4.10.1 ( D2), (2844) = 396,7 / D2 - 98 %. - ( , 4). 4.10.2 ( D3),

6、(2744) = 384,6 / D3 - 98 %. - ( , 4). EN 128212014 3 4.11 4.11.1 D2 100 D2 1 100 3, (4.4) . D2 1 /3. 4, . D2 , , 4.12.1. 6 18. 4.11.2 D3 100 D3 1 100 3, (4.4) . D3 1 /3. 4 , . D3 , , 4.12.2. 6 18 . 4.12 4.12.1 D2 1 3 D2 (4.11.1) - 100 3 (4.4). D2 - 10 /3. . . D2 1 265 . D2 D2, /3, : bMA D 100022 265

7、D , (1) A265 D2 265 ; D2 D2 (D2 = 396,7 /); D2 ( = 18843 2/, - %1 1E , . 9); b , . 4.12.2 D3 1 3 D3 (4.11.2) - 100 3 (4.4). D3 - 10 /3. . . D3 1 265 . D3 D3, /3 : bMA D 100033 265D , (2) EN 128212014 4 A265 D3 265 ; D3 D3 (D3 = 384,6 /); D3 ( = 18461 2/, - %1 1E , . 9); b , . 4.13 4.13.1 D2 10 3 D2 (4.12.1) - 100 3 (4.4). D2 - 10 /3. . 4.13.2 D3 10 3 D3 (4.12.2) - 100 3 (4.4). D3 - 10 /3. . D3, D2 . D2, - D3. 4.14 D2 D3 - 5 3 D2 (4.12.1) 5 3 D3 (4.12.2) 40 . 100 3 - (4.9.1). (5.4 5.5). 4.15 D2 D3 5 3 D2 (4.12.1) 5 3 D3 (4.12.2) 40 ). 100 3 (4.9.2). 5 5.1 , , . 5.2 , 265 . 5.3

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