GOST 32176-2013 Tobacco and tobacco products Determination of maleic hydrazide residues content《烟草和烟草产品 马来酰肼残留含量的测定》.pdf

1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 321762013 (ISO 4876: 1980) (ISO 4876:1980, MOD) 32176-2013 II , 1.092 . 1.22009 . , . , , , 1 - , ( ) 2 ( 153) 3 , ( 56- 19 2013 .) : ( 3166) 004-97 ( 3166) 004-97 AZ BY KG MD RU UZ - 4 ISO 4876:1980 Tobacco and tobacco

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3、bacco products. Determination of maleic hydrazide residues content 20140701 1 . . 2 : 177074 ( 1042-83, 4788-80) . , , , . 311877 . 420477 . 432877 . 670972 . 914780 . 2533682 . , . 2849890 . . 2922791 . . 1. 3004093 ( 487481) . . , 1 , . (), () . , , , , . 3 4 32176-2013 2 c , , , . . 4 . 4.1 6709

4、. 4.2 (), 20 /3 (H2SO4)= 0,5 /34.2.1 20 150 3 , 5 , 5 . , , 200 3 ( 0) , - , 50 3 , - (V) . 4.2.2 2 100 3 ( H2SO4) = 0,5 /3(4.7) . . . 4.3 , , , 10 /3. 4.4 500 1,70 /3, . , . 4.5 4328, (NaOH)=12,5 /3. 4.6 4328, (NaOH)=0,1 /3. 4.7 4204, (H2SO4)=0,5 /3. 4.8 (II) (FeCl2 4H2O) , , . , , . 4.9 ( ). 4.10

5、, . 4.11 . 4.12 , (. 7.4). 5 5.1 25 3, 100 3, 1000 3 1770. 5.2 100 3 1770. 5.3 250 3 25336. 5.4 9147 100 25336. 5.5 ( 1), : a) ;b) 500 3, 25336;c) 25336;d) ;) 2 25336. 32176-2013 31 ; 2 ; 3 ; 4 1 500 3 0 360 . . , . . 5.6 , 425, 455 485 10 . 5.7 . 5.8 , , , + 0,01 . 5.9 2, 5, 10 3. 5.10 28498 0 360

6、1 . 32176-2013 4 6 30040. 7 7.1 , 2 . 7.2 1 0,01 . 7.3 (. ). 7.3.1 ( 1), 50 3 (4.5) , (4.10). 0 360 , (4.11), , . , 165 ( 1015 ) 5 . 7.3.2 (. ) 100 3 10 3 (4.7). 0,5 (II) (4.8) 15 (4.4), (200 10) . . , 20 100 3. , (5.4) 250 3, 5 3 . 6 3. -. . 7.3.3 , 7.3.2, 25 3(5.1), 2 3 (4.2), , 30 . 7.3.4 10- , 7.3.3. 25 3 10 3 (4.6), 2 3 (4.2), , . (5.6) 425, 455 485 . 32176-2013 5A425+ 485 A = A455 _, (1) 2 : 425,A455, A485 425, 455 485 . 455 0,8, , 25 3 10 3 (4.7), 2 3 (4.2) . . 7.4