1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS A ISO 8690 KS A ISO 8690:2012 2012 12 12 http:/www.kats.go.krKS A ISO 8690:2012 : ( ) ( ) () ( ) : () () () ( ) () () () () ( ) () () : (http:/www.standard.go.kr) : :2012 12 12 2012-0698 : :() ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS A ISO 8690:
2、2012 i ii . iii 1 1 2 1 3 .1 4 2 5 .2 6 4 6.1 4 6.2 .5 7 5 7.1 .5 7.2 6 7.3 .6 8 6 8.1 6 8.2 .7 8.3 .8 9 9 10 .10 A( ) .11 B( ) 13 C( ) 137Cs 6oCo .20 D( ) .21 KS A ISO 8690:2012 ii . , , . , , . KS A ISO 8690:2012 iii 1988 1 ISO 8690, Decontamination of radioactively contaminated surfaces Method fo
3、r testing and assessing the ease of decontamination , . . KS A ISO 8690:2012 Decontamination of radioactively contaminated surfaces Method for testing and assessing the ease of decontamination 1 . (decontaminability) ( 1 ) . . ( , , ) . . 2 . . ( ) . KS B ISO 273, ISO 15, Rolling bearings Radial bea
4、rings Boundary dimensions General plan ISO 683 13, Heat-treated steels, alloy steels and free-cutting steels Part 13: Wrought stainless steels ISO 2009, Slotted countersunk head screws(common head style) Product grade A ISO 2010, Slotted raised countersunk head screws (common head style) Product gra
5、de A ISO 4762, Hexagon socket head Cap screws Product grade A 3 . 3.1 (radionuclide) . 3.2 . KS A ISO 8690:2012 2 3.3 (比 ) 1 mL . mL . . 3.4 . . 3.5 5 . . 3.6 . . . . 3.7 60Co( 60), 137Cs( 137) . . 4 6oCo 137Cs ( : 10 5molar, pH 4) . 100 L , . , (demineralized water) . . . 6oCo 137Cs ( ) . 5 5.1 2 2
6、 000 mL 2 (KS L ISO 3819 ) 5.2 KS A ISO 8690:2012 3 30 mm . . (gas-flow proportional) , , . , (lmin 12.5 mm): h 3 . lmin ( ) mm , h mm . , (lmin 12.5 mm): h 3 . , 30 mm . a) (8.1 ) 100 L 25 mm ( ) . b) 100 L 200 000 (8.1 ). 5.3 5.6 2 . 1 ( ) 5.3 1 100 L 2 5.4 1 1 000 L 2 5.5 PTFE(polytetrafluoroethy
7、lene) 2 5.6 PTFE 2 PTFE (PTFE/PFP, PFA, PVDFL) . 5.7 5 , (PMMA) 5 ( A ) A (Shore A hardness) 60 , (45 mm25 mm2 mm) . lminhKS A ISO 8690:2012 4 , , . . . 10 ( 5 ) . 5.8 B 6 (cage-stirrer). 100(100 r/min) . 6 6.1 6.1.1 137Cs 60CO . . , . . . (activity concentration) ( ) 100 L 200 000 . 0.2 MBq/mL . (1
8、0.1)10 5mol/L pH (4.00.2) . pH . , . 6.1.2 6.1.2.1 Co2 Cs , 6.1.2.4 . . 6.1.2.2 137Cs 60Co , . C . 6.1.2.3 , (10.1)10 5mol/L Co(NO3)2 (CsNO3) . KS A ISO 8690:2012 5 PTFE( ) . 90 mL 5 mL c(HNO3) 1 mol/L . , 60Co 137Cs . 6.1.2.4 . 2 . , pH4 2 (1.4 g/mL) 7 L . 8.1 , . pH 12 . 6.1.2.5 (wall effect) PTFE
9、 , . 6.1.2.6 pH 5 % ( ) . 6.2 (232) C ( 3 S/cm) . 7 7.1 7.1.1 , (7.2 ) ( , , ) . , . a) . b) 10 . c) (405) C 1 . d) . . 7.1.2 ( , , ) . , . , . (backing) . (thermal ageing) . KS A ISO 8690:2012 6 . 7.1.3 . 7.1.2 . ( ) . 7.2 15 5 2 (parallel test) . 7.1 . 10250mm10250mm , 1 mm 10 mm . . . 51 mm51 mm3
10、.5 mm , , . 7.3 (205) C 14 . . , . ( : 60 C 80 C) ( 99 %) 1: 1 . . . 1 ( , 5 ) . , . (405) C . (organic surface material) . , (soiling) . , . 8 8.1 8.2 50 mm50 mm 3 100 L . , (5.7) . 45 C 5.2 3KS A ISO 8690:2012 7 . ( ) (8.3.2 ). 1 (background) . 3. 10 . . 8.2 2 . X X (2: 1) 2 ( 5, 6 ) 3 (R) (5.7) .
11、 A B a b . B . (U) (U) . (842) (45252) U L M 570KS A ISO 8690:2012 8 3 ( ) (U) 1 mL . . (疎水性 ) . . (1205) , (5.4) . . (L) . , , . 12 . 8.3 8.3.1 , (5.8) ( ) 5 . (R) . A B d e . B e ( 4 ). 6 . . (90020) mL (6.2) . 5.1 U ( ) KS A ISO 8690:2012 9 4 . (232) . (1005) rpm 2.5 . 10 . (405) C . 6 . 4 ( ) (
12、B.1 B.9 ) 8.3.2 5.2 . ( ) (8.1 ) . 1 . 5 000 10 . 9 , 6oCo 137Cs 5 . , . 1036+= 60Co 137Cs . KS A ISO 8690:2012 10 mL 3106 , . 60Co 137Cs ( , ) . 60Co 137Cs , . 1 (FRP) / FRP 3 000 3 000FRP 15 000 15 000FRP 60 000 60 000FRP 10 D . D . KS A ISO 8690:2012 11 A ( ) : mm : A.1 (L) KS A ISO 8690:2012 12
13、: A.2 (U) KS A ISO 8690:2012 13 B ( ) B.1 KS A ISO 8690:2012 14 B.1 B.1 1 1 B.2 2 6 6 , ISO 4762 M312 3 1 B.3 4 1 ISO 15 (: d 10, D 25, B 8) 5 1 B.4 6 1 : 3.4 (clearance): KS B ISO 273 (countersunk): ISO 2009 PTFE B.5 7 2 M35 ISO 2009 8 12 M410 ISO 2009 9 1 6 B.6 10 6 : 4.5 : KS B ISO 273 : ISO 2009
14、 B.7 11 2 M310 ISO 2010 12 1 B.8 13 1 6 B.9 . KS A ISO 8690:2012 15 : mm B.2 KS A ISO 8690:2012 16 : mm : mm , B.4 B.3 B.5 : mmKS A ISO 8690:2012 17 : mm B.6 6 KS A ISO 8690:2012 18 : mm : mm B.7 B.8 3 mm KS A ISO 8690:2012 19 : mm : mm B.9 6 KS A ISO 8690:2012 20 C ( ) 137Cs 6oCo 0.2 MBq/mL 10 5 (m
15、olarity) ( ). (mm): r (MBq) (0.2 MBq/mL) r 0.2 r 0.2 MBq/mL (r) (MBq/mL): s :sr2.0 (mol/L): 10 5 : 10 5(r10 3) r10 8 10-3 . (mol/L): t (mol) 43102102.0=srtsrt Co(NO3)2 (CsNO3) (mol) () ysrtr = 4810210 (mol/L): u 10 5mol/L (L) ()uyusrtr= 4810210KS A ISO 8690:2012 21 D ( ) KS A ISO 8690 , : : : : 1 1.1 (: , ) 1.2 : 1.3 (Makers designation): , , , (roughness) ( ) 1.4 ( , , , ): 1.5 ( , ): 1.6 : 1.7 ( , , , ): 1.8 2 2.1 ( , , , ): 2.2