GOST ISO 4257-2013 Liquefied petroleum gases Method of sampling《液化石油气 取样方法》.pdf

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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) ISO 4257 2013 (ISO 4257:2001, IDT) 2014 ISO 42572013 II , - 1.092 . - 1.22009 . -, . , -, , 1 - , , ( ) 4 , 2 3 , ( 44-2013 14 2013 .) : ( 3166)00497 ( 3166)00497 - KG MD RU UZ - 4 ISO 4257:2001 Liquefied petrole-um gase

2、s Method of sampling ( . ). ISO/TC 28 (ISO). (en). (IDT). , , - . - . 5 22 - 2013 . 729- ISO 42572013 - 01 2015 . 6 - , . () - - . , , 2014 -, - ISO 4257 2013 1 Liquefied petroleum gases. Method of sampling 2015 01 01 , . , -. 1 1.1 (). , 2. 1 . , - 3. 2 -: 2.1 ; liquefied petroleum gas (LPG): , / .

3、 3 4 -, 5 % - 1600 40 . 3 , - , 80 % . 4 , - , . : a) ; b) ; ) . - . 30 , , ; d) , , . ISO 42572013 2 5 5.1 -, , - , . - : ) ; b) ; ) . 5.2 . . , , . - . - . 5.3 - , - . , , , . . . - -. 8, 8.4. , . -, (), - , , . , - . , - , - . 5.4 . . . 6 6.1 , - , - , -. . - . , . - -. , , 1. , , - . , V1 (. 1)

4、20 % . . = V1 + V2 V2 = 4V1. ISO 42572013 3 1 D; 2 ; 3 D . 1 (. 1). : ; , ; ( ); ( ); ( ); ; ; ; ; ; ISO 42572013 4 , . 1 : - , , -; - , , - . 2 , , . 6.2 , , , . : ( 2) ( 2). , . - , , 2, - . 1 ; 2 ; 3 ; 4 D; 5 ; 6 ; ; b - 2 6.3 . 7 7.1 (6.1) 7.3. 7.2 (6.1) , ISO 42572013 5 , : a) (6.1); b) (. , ); c) ; d) - . , . 7.3 (6.1) - 8.2. 8 8.1 . - , ( 1). , . 8.2 (6.1) , D, , , . - , D. D. D - 180 . , D , . - . - , . 8.3 , D, , , , - . . . . , 8.4. 8.4 -

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