GOST EN 237-2013 Liquid petroleum products Determination of low lead concentrations by atomic absorption spectrometry《液化石油制品 采用原子吸收光谱法对低铅浓度测定》.pdf

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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) EN 237 2013 - (EN 237:2004, IDT) 2014 EN 237 - 2013 II , - 1.092 . 1.22009 . , . , , , 1 , , ( ) , 4 2 3 , 14 2013 . 44-2013) : ( 3166) 00497 ( 3166) 00497 AM BY KG RU UZ 4 EN 237:2004 Liquid petroleum products Petrol -

2、Determination of low lead concentrations by atomic absorption spectrometry ( . . ). 2372008 - . EN 237:2004 CEN/TC 19 - , , , AFNOR. (en). 1.52001 ( 3.6). , - , , , . . (IDT) 5 22 - 2013 . 721- EN 2372013 - 1 2015 . 6 EN 237 - 2013 III , - . - ( ) . , - , 2014 - , - EN 237 2013 _ 1 - Liquid petroleu

3、m products. Determination of low lead concentrations by atomic absorption spec- trometry 2015 01 01 1 - 2,5 10,0 3 , . 1 - 3 10,0 3 . . 2 % . . - , . - , . , - . 2 . , - ( : ISO 385-1 Laboratory glassware Burettes Part 1: General requirements ( . . 1: ) 1)EN ISO 648:2008 (ISO 648:2008) Laboratory gl

4、assware Single-volume pipettes ( - . ) EN ISO 1042:1999 (ISO 1042:1998) Laboratory glassware One-mark volumetric flasks ( . ) EN ISO 3170:2004 (ISO 3171:2004) Petroleum liquids Manual sampling ( . ) EN ISO 3171:1999 (ISO 3171:1988) Petroleum liquids Automatic pipeline sampling ( - . ) 3 , - . - 217,

5、0 - . - 1) ISO 385:2005 Laboratory glassware Burettes ( . ). EN 237- 2013 2 , , 217,0 . 4 . ., . 4.1 , , , . 4.2 , . . 4.3 . 4.4 2,2,4- ( ). 4.5 ( ). 4.6 50 % 50 % . 4.7 ( 336). 4.8 336 M K 10 % . 1 3 100 3 (88,0 0,1) 336 - 1 3M K. 4.9 336 M K 1 % . 1 3 10 3 (8,80 0,05) 336 - 1 3M K. 4.10 . 100 3 (3,0 0,1) 100 3 . 4.11 (PbCl 2 ) . . 99 % . 4.12 C Pb , 1000 3 . 250 3 335,6 (4.11), - 105 3 , 200 3 10%- 336 M K (4.8). 10 %-

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