KS M ISO 4257-2011 Liquefied petroleum gases－Method of sampling《液化石油气 采样方法》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 4257 KS M ISO 4257:2011 2011 12 16 http:/www.kats.go.kr KS M ISO 4257:2011 : ( ) ( ) GS SK ( ) : (http:/www.standard.go.kr) ： ：2011 12 16 2011-0575 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 4257:2011 i .ii 1 1 2 .1 3 1 4 .1 5 .2 5

2、.1 .2 5.2 .2 5.3 2 5.4 2 6 3 6.1 3 6.2 .3 6.3 .4 7 5 8 6 8.1 6 8.2 .6 8.3 6 8.4 6 8.5 6 7 KS M ISO 4257:2011 ii 2001 2 ISO 4257, Liquefied petroleum gases Method of sampling . KS M ISO 4257:2011 Liquefied petroleum gases Method of sampling 1 (LPG) . ISO 9162 . KS M ISO 7941 . . ASTM D 3700 . 2 . 2.1

3、 (Liquefied petroleum gases) LPG , , , , , , , . (： ) . 3 . 20 % 80 %(V/V) . “%(V/V)” . 4 . . a) . b) . KS M ISO 4257:2011 2 c) . . 30 . d) 2 (phase) . 5 5.1 . . a) b) c) 5.2 LPG . , . LPG . LPG . . . 5.3 , . . . . . 8.4 . . , , ( .) . . . 5.4 KS M ISO 4257:2011 3 . . 6 6.1 . . . . . 1 . . V1( 1 ) 2

4、0 %(V/V) . V1 V2 (V2 4V1). ( 1 ). . ( ) ( ) ( ) 1 . . . 2 LPG . 6.2 . 2 , ( 2 A .) ( 2 B .) . A B . . 2, C B T- “ ” . KS M ISO 4257:2011 4 6.3 . 1 D 2 3 C D . 1 2 -= V1 V2 V2 4 V1 V1 V2 KS M ISO 4257:2011 5 1 A 2 B 3 C 4 D 5 6 a C b 2 7 7.1 (6.1) 7.3 . 7.2 (6.1) . a) (6.1) . b) ( ). c) . d) . KS M I

5、SO 4257:2011 6 . 7.3 (6.1) 8.2 . 8 8.1 C . A, B C( 1 ) . A B . 8.2 (6.1) D B C A . C D . A , D . D 180 . D B . 3 . . 8.3 (6.1) D B C A C . C D . B . (product source) . 8.4 2 . 8.4 , . D . . . 8.5 80 %(V/V) . . . KS M ISO 4257:2011 7 1 KS M ISO 7941, 2 ISO 9162, Petroleum products Fuels (class F) Liq

6、uefied petroleum gases Specifications 3 ASTM D 3700-94, Standard Practice for Containing Hydrocarbon Fluid Samples Using a Floating Piston Cyclinder 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M ISO 4257:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Liquefied petroleum gases Method of sampling ICS 75.160.30 Korean Agency for Technology and Standards http:/www.kats.go.kr