1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 8795 , KS M ISO 8795:2008 2008 10 28 http:/www.kats.go.krKS M ISO 8795:2008 : ( ) ( ) () ()SK () ( ) : (http:/www.standard.go.kr) : : 2003 4 30 : 2008 10 28 2008-0705 : : ( 025097301) (http:/www.kats.go.kr). 10 5 , . KS M ISO 8795:2008 , Plastics pi
2、ping systems for the transport of water intended for human consumption Migration assessment Determination of migration values of plastics pipes and fittings and their joints 2001 3 ISO 8795, Plastics piping systems for the transport of water intended for human consumption Migration assessment Determ
3、ination of migration values of plastics pipes and fittings and their joints . 1 , . . , . , . , . 1 (4. ). a) (5.3 ) b) (6. ) 2 , . ( ) . 2 . . ( ) . KS M ISO 3696, KS M ISO 7393 2, 2: n,n- 1,4- 3 KS M ISO 8795:2008 2 . 3.1 ( ) ( ) 3.2 3.3 (M, migration value) 3.4 3.5 ( , T , , ) 3.6 ( ) 3.7 (migrat
4、ion liquid) 3.8 (N, migration number) 4 . , . . . a) (5.3 ) b) 6. T c) (9.1.1 ) d) 9.5 , (10. ) 5 KS M ISO 8795:2008 3 5.1 A . 5.1.1 KS M ISO 3696 3 . a) (25 ) 10 mS/m b) (TOC) 0.2 mg/L( ) 5.1.2 (10.2) mg/L 5.1.1 . 5.1.3 A.1.2 KH2PO4 pH 4.50.1 5.1.1 5.1.4 A.1.2 KH2PO4 pH 4.50.1, (10.2) mg/L 5.1.1 5.
5、1.5 I ( ) A.1.3 pH 9.00.1 5.1.1 5.1.6 II ( ) A.1.4 NaOH/Na2B4O7 10H2O pH 11.00.1 5.1.1 5.1.7 ( ) A.1.5 KH2PO4 pH 7.00.1 5.1.1 5.2 . 5.3 5.3.1 5.1 . 5.3.2 (6. ) 5.1.1 . 6 . KS M ISO 8795:2008 4 a) : (232) b) : (602) (702) , c) : (902) d) : (272) 7 7.1 , , , PTFE, ( B ). PTFE , . 7.2 (6. ). 8 8.1 8.1.
6、1 . . 8.1.2 . . , , . 8.1.3 5.1 . , . , 8.1.4 . 8.1.4 . a) . b) . 8.1.5 , , . , . 8.1.6 , KS M ISO 8795:2008 5 . 8.2 8.2.1 (S/V) S/V 5 dm 1 . , S : (dm2) V : (L) 8.2.2 . 80 , 8.2.1 B . 8.2.3 8.2.3.1 , 8.2.3.2 8.2.3.3 . 8.2.3.2 ( , ) . 8.2.3.3 , , S/V . 9 9.1 9.1.1 9.2 9.5 . (9.2), (9.3), (9.4) . 9.1
7、.2 7.1 , ( , , ) 9.1.1 . , (9.4 ) C0 , . , . 9.2 9.2.1 23 27 9.2.1.1 (8. ) , (7.1 ) B KS M ISO 8795:2008 6 (240.5) h . 9.2.1.2 9.3 . 9.2.2 9.2.2.1 9.2.1 . 9.2.2.2 (6. ) , (7.1 ) B (7.50.5) h . 9.2.2.3 , , (160.5) h . 9.2.2.4 9.2.2.3 9.3.5 . 9.2.3 23 27 9.2.3.1 , 9.2.1 . 9.2.3.2 (8. ) 9.2.3.1 , (8. )
8、 (240.5) h (7.1 ) . 9.3 . 9.2.4 9.2.4.1 9.2.3 (9.2.4.4 ). 9.2.4.2 (6. ) , (7.1 ) B (7.50.5) h . 9.2.4.3 , , (160.5) h . 5.1.1 . 9.2.4.4 (8. ) 9.2.4.1 , (8.2.3 ) (6. ) (7.1 ) . (7.50.5) h . 9.2.4.5 , , (160.5) h . 9.2.4.6 5.1.1 . 9.3 9.3.1 (9.3.4 ), (7.1 ) . 9.3.2 9.3.4 . 9.3.2 2 m/min 4 m/min . 9.3.
9、3 60 70 . KS M ISO 8795:2008 7 9.3.4 (8. ) 9.3.1 , 2 m/min 4 m/min 60 70 . 9.3.5 5.1.1 . 9.4 9.4.1 (9.4.2 ), (8. ) (4. 5.1 ) , (7.1 ) B (721) h (241) h (9.4.2 ). 9.4.2 (8. ) 9.4.1 , (4. 5.1 ) (721) h , (241) h . 9.4.3 , (3.7 ) . 9.4.4 (n) 9.4.1 9.4.3 . n ( ). 9.5 , (9.4.3 9.4.4 ) . 10 mg/L . M . , S
10、VCM =722431 , SVCM =2424 M24: 24 (mg/dm2) C24: 24 (mg/L), C24 C1 Cn C0C72: 72 (mg/L), C72 C1 Cn C0 C0: (9.1.2 ) C1( Cn) ( n ) V : (L) S : (dm2) KS M ISO 8795:2008 8 M C TntM;, TntC; . T : () t : (h) n : 231;24M : 23 72 3 , M 703;24M : 70 24 , M 231;72C : 23 72 , C 703;24C : 70 24 , C M , . 72 , 24 ,
11、 1/3 . . M TntM, T (), t (h), n . 11 . a) (KS M ISO 8795) b) : (8.1.6 ) c) , d) , V(L) S(dm2) e) f) TnC;72 TnC;24, C0(mg/L), mg/(dm2 24 h) TnM;24g) TnC;72 TnC;24 TnM;24 h) , , . . i) KS M ISO 8795:2008 9 A ( ) A.1 A.1.1 NaOCl 0.1 %( ) 5.1.1 NaOCl 5.1.1 NaOCl ( ) . NaOCl . A.1.2 (pH 4.5) KH2PO413.61
12、g 5.1.1 1 000 mL , 5.1.1 1: 100 . 0.1 N HCl 1.2 mL . A.1.3 (pH 9.0) pH 9.0 A 420 mL B 1 000 mL . A 5.1.1 0.1 N NaOH . B 5.1.1 0.1 M KCl 6.18 g (0.1 M KCl) (1 0001) mL . 5.1.1 1: 100 . A.1.4 (pH 11.0) pH 11.0 49.5 mL NaOH 50.5 mL Na2B4O7 10H2O . NaOH 0.1 mol/L . Na2B4O7 10H2O 0.05 mol/L . A.1.5 (pH 7
13、.0) pH 7.0 A 29.6 mL B 50.0 mL . A 5.1.1 0.1 N NaOH . B 5.1.1 1 000 mL KH2PO413.61 g . KS M ISO 8795:2008 10 A.2 A.2.1 (1.00.2) mg/L 5.1.1 A.1.1 NaOCl . KS M ISO 7393 2 . A.2.2 5.1.1 pH 4.50.1 A.1.2 KH2PO4 . A.2.3 KS M ISO 7393 2 , A.2.2 . (1.00.2) mg/L A.1.1 NaOCl . A.2.4 I (pH 9.0) pH 9.00.1 A.1.3
14、 5.1.1 . A.2.5 II (pH 11.0) pH 11.00.1 A.1.4 5.1.1 . A.2.6 (pH 7.0) pH 7.00.1 A.1.5 5.1.1 . KS M ISO 8795:2008 11 B ( ) 80 , B.1 . (8. ) . B.2 B.1 B.2 , B.3 1 . . B.3 . . , PTFE . KS M ISO 8795:2008 12 A B C D (L) E F G B.1 1 KS M ISO 8795:2008 13 A B C D ( ) E PTFE F G B.2 2 KS M ISO 8795:2008 14 B
15、.4 1 S/V 1 S/V S V . a h B.3 (a) (A) . i360da = a : (mm) di: (mm) : ( ) ii)2(21cosdhd = h : (mm) = 21tan21413602i2ihddA KS M ISO 8795:2008 15 A : (mm2) : ( ) h : (mm) di: (mm) S 10 4aL S : ( ) (dm2) a : (mm) L : (mm) V 10 6AL V : (L) A : (mm2) L : (mm) , 135513 7017 (02)60094114 (02)600948878 http:/
16、 Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 8795:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Plastics piping systems for the transport of water intended for human consumption Migration assessment Determination of migration values of plastics pipes and fittings and their joints ICS 83.140.30; 91.140.60; 93.025