GOST 32161-2013 Foodstuffs Method for cesium Cs-137 content determination《食品 铯Ss-137含量的测定方法》.pdf

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1、 s-137 , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)321612013, - 1.092 . - 1.22009 . , . -, , , 1 - - ()2 ()3 , (- 7 2013 . 43) : ( 3166) 00497 ( 3166) 00497 KGRUTJUZ4 27 2013 . 233- 321612013 - 1 2014 .5 5401620106 -, - . () . , - - , 2013 -, II 3216120131 .12 13 14 2

2、5 ( ) s-137 .26 37 .4 () .5III 321612013 s-137Foodstuffs. Method for cesium s-137 content determination1 - Cs-137 .2 : 321642013 . Sr-90 Cs-137 - , 1 , - . - (), () . , , , , .3 32164, - :3.1 : dN - , d, A =dNdT. () .3.2 : (, ) - .3.3 : , , . - .1 321612013 201407013.4 : , - .3.5 Q, /: A m Q =Am.3.6

3、 ( ): , () - , - () 50 % = 0,95.3.7 () H: - , - .4 4.1 32164.4.2 - :- , , , , , . . , ;- , , , , . .;- , , , , , , , ;- ( , , . .) - , - .4.3 Cs-137 - . - . , ; - . .4.4 , , . - .5 ( ) Cs-137 5.1 ( -) Cs-137 , .5.2 Cs-137 - , - , .5.3 - ( 310 ), Cs-137 -2 321612013 .5.4 ()32164- 0,51,0 3. ( , , , ,

4、 , . .), ( 100 /) (, , , . .) 0,5 3- .5.5 - ( ). .5.6 - Cs-137 -40 - , , .5.7 ( ).6 6.1 c68, - Cs-137 Sr-90. =QHQHc230c232c231c246c248c247 c43c230c232c231c246c248c247Sr- Cs-13790,(1)c68B =c68c68QHQHc230c232c231c246c248c247 c43c230c232c231c246c248c247Sr- Cs-9021372,(2) Q ; ;c68Q ( k = 2) .6.2 -, B

5、 c68B c163 1. (3)6.3 -, B c68B 1. (4)6.4 B + c68B 1. (5), B c68B c163 1, (6) , (. . c68 ) (5) (3), . . - -.6.5 (5) (6) , c68B c163 0,3. (7)6.6 :- ;3 321612013- , - ;- .7 7.1 , .7.2 , -.7.3 , - .4 321612013 () _ _ _ _, ()_ _(), _(, , ) _, , , _ _ _ _() _ _ _ _ Q,/(k =2)c68Q, / , / Q/HB _ c68B_ , _ _ , , _ _ , 5 321612013 _20_. 614.35:006.354, 006.88:006.354 67.050 : , , , Cs-137, -, 6 321612013 . . . . 06.12.2013. 24.12.2013. 60c1808418. . . . 1,40. .-. . 0,65. 128 . . 1509.

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