KS C IEC 61563-2009 Radiation protection instrumentation－Equipment for measuring specific activity of gamma-emitting radionuclides in foodstuffs《辐射防护仪器 测量粮食中γ 辐射放射性核素的比活度用的设备》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 61563 KS C IEC 61563:2009 2009 12 30 http:/www.kats.go.krKS C IEC 61563:2009 : ( ) ( ) () KEPIC ( ) ：(IEC/TC45/SC45B ISO/TC85/SC2) () ( ) () ( ) () () : (http:/www.standard.go.kr) ： ：2009 12 30 2009-0963 ： ：(IEC/TC45/SC45B ISO/TC85/SC2) ( 02-509-727

2、0) (http:/www.kats.go.kr). 10 5 , . KS C IEC 61563:2009 i 2001 1 IEC 61563, Radiation protection instrumentation Equipment for measuring specific activity of gamma-emitting radionuclides in foodstuffs , . . , , . , , . KS C IEC 61563:2009 Radiation protection instrumentation Equipment for measuring

3、specific activity of gamma-emitting radionuclides in foodstuffs 1 1.1 (field) , , . . ( , ) . . , , . . 1.2 . 2 . . ( ) . KS C IEC 60050 393, 393： KS C IEC 60050 394, 394： KS C IEC 60086( ), IEC 60068 2-27： 1987, Environmental testing Part 2： Tests Test Ea and guidance : Shock IEC 61187： 1993, Elect

4、rical and electronic measuring equipment Documentation 3 KS C IEC 61563:2009 2 KS C IEC 60050 393 KS C IEC 60050 394 . . 3.1 IEV 394-02-01 3.2 (Bq/kg) IEV 393-04-13 3.3 (Bq/m3) IEV 393-04-14 3.4 IEV 393-18-21 3.5 90 %, IEV 394-19-09 3.6 ( ) IEV 393-04-92 3.7 , IEV 393-02-22 3.8 ( ) IEV 394-19-07 3.9

5、 IEV 394-20-16 KS C IEC 61563:2009 3 3.10 IEV 394-20-10 . , 1 2 . 3.11 ccivvve= v , vc IEV 394-20-12 3.12 xi n x s 1)(121i=nxxxxsVniIEV 394-20-14 3.13 IEV 394-20-18 . 3.14 , . . 3.15 SI . SI . : , (d), (h), (min) : (eV) 1 eV = 1.60210 19J KS C IEC 61563:2009 4 3.15.1 ( : Gy) , SI IEV 393-04-71 1 Gy

6、= 1 J kg 13.15.2 (becquerel)( : Bq) 1 SI IEV 393-04-11 1 Bq = 1 s 14 4.1 . a) 2 . b) 4 , . . , , (cuvette) . . 4.2 . . , . 4.3 . , . . . KS C IEC 61563:2009 5 4.4 . / ( , , ) . 4.5 . , , 4.6 . . 5 5.1 . 40K, 60Co, 133Ba, 131I, 134Cs, 137Cs 40 ( , ) . 5.2 2.5 Gy/h 1102Bq/kg KS C IEC 61563:2009 6 1106

7、Bq/kg . . . 5.3 5.1 ( , ). 150 keV 1 500 keV . 5.4 . . . . , , , 105Bq/kg . , (blanks) . , . , . 5.5 , 95 % . . , Amin . )1()(265.12)(65.1212bbibmin =nnAAAAni (1) )(bA ： n biA ： (Bq/kg) i N ： ( 10) bA ： n . KS C IEC 61563:2009 7 , . )1()(265.1212bbimin =nnNNSAni (2) biN ： i S ： kg s 1 Bq 1 bN ： n .

8、, . Amin . 6 6.1 , . . 6.2 1 . , 3 . , , , . 6.3 , . 6.4 , . . . 6.5 . a) b) KS C IEC 61563:2009 8 , , , , . (5.1 ), . / . . . . . 20 % . 10 % . , . 6.6 , . . . . . 7 7.1 7.1.1 5.1 50 % . 7.1.2 . . , . . . . KS C IEC 61563:2009 9 a) . 25 %, 75 % 50 % . . . b) . , . . 7.1.3 , . 40K, 60Co, 133Ba, 131I

9、, 134Cs, 137Cs . (50 + ) % , (%) , . , , . , . x(%) , (50 + x) % . (spike) . , . 7.2 . 7.2.1 . . , 2.5 Gy/h , 2 . 7.2.2 , (blank) . 2 Gy/h 10 20 18 22 65 % 50 % 75 % 101.3 kPa 86 kPa 106 kPa , 0.2 Gy/h 0.25 Gy/h 2 50 % 7.1 10 , 7.3 10 % 7.5 10 % 8.3 KS C IEC 61563:2009 17 3 137Cs 0.2 Gy/h 2 . 7.2 10

10、6Bq/kg 137Cs 2 . 7.4 10 10 % 8.1 a) 1 100 10 % 8.2 b) 2 10 10 % 18 ms 300 m s 2 . 9.1 10 Hz 33 Hz 20 m s 2 15 10 % 9.2 10 35 10 40 10 % 20 % 10.1 35 95 % 10 % 10.2 * * 10.3 10.4 * * 10.5 10.6 3 25 50 . 11. * . . KS C IEC 61563:2009 18 KS C IEC 61563:2009 . 1 (field) , , (IEC) . 2 2001 1 IEC 61563, R

11、adiation protection instrumentation Equipment for measuring specific activity of gamma-emitting radionuclides in foodstuffs , “KS C IEC 61563 : 2009, ” . (SI) . 3 , , ( , ) , , . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS C IEC 61563:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Radiation protection instrumentation Equipment for measuring specific activity of gamma-emitting radionuclides in foodstuffs ICS 13.280