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CEN
EN 237:2004

EN 237:2004

Current

Current

The latest, up-to-date edition.

Liquid petroleum products - Petrol - Determination of low lead concentrations by atomic absorption spectrometry

Published date

09-22-2004

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling
7 Procedure
   7.1 General preparation
   7.2 Preparation of calibration solutions (0,25 mg/l,
        0,50 mg/l, 0,75 mg/l, and 1,0 mg/l of lead)
   7.3 Preparation of the test solution
   7.4 Preparation of instrument
   7.5 Determination
8 Calculation
9 Expression of results
10 Precision
   10.1 General background
   10.2 Repeatability, r
   10.3 Reproducibility, R
11 Test report
Annex A (informative) Alternative procedure
Bibliography

This document specifies an atomic absorption spectrometric test method for the determination of the lead content of petrol in the range 2,5 mg/l to 10,0 mg/l. This test method is independent of the lead alkyl type.NOTE 1Annex A describes an alternative procedure but with a poorer precision for the determination of the lead content of petrol in the range 3,0 mg/l to 10,0 mg/l. This procedure is also independent of the lead alkyl type.NOTE 2For the purposes of this document, the term "% (V/V)" is used to represent the volume fraction.WARNING - The use of this document may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Committee
CEN/TC 19
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
BS 2000-428(2004) : 2004 Identical
SS-EN 237:2004 Identical
I.S. EN 237:2004 Identical
IP 428 : 2006 Identical
NEN EN 237 : 2004 Identical
UNI EN 237 : 2005 Identical
NBN EN 237 : 2004 Identical
SN EN 237 : 2004 Identical
BS EN 237:2004 Identical
NF EN 237 : 2005 Identical
NS EN 237 : 2ED 2004 Identical
PN EN 237 : 2007 Identical
GOST R EN 237 : 2008 ERRATA 2009 Identical
BS 2000-428(1996) : 1996 Identical
DIN EN 237:2004-12 Identical
DIN 51769-8:1981-10 Similar to
UNE-EN 237:2005 Identical

09/30206692 DC : 0 BS EN 228 - AUTOMOTIVE FUELS - UNLEADED PETROL - REQUIREMENTS AND TEST METHODS
13/30279896 DC : 0 BS ISO 8178-5 - RECIPROCATING INTERNAL COMBUSTION ENGINES - EXHAUST EMISSION MEASUREMENT - PART 5: TEST FUELS
I.S. EN 228:2017 AUTOMOTIVE FUELS - UNLEADED PETROL - REQUIREMENTS AND TEST METHODS
DIN EN 228:2004-03 AUTOMOTIVE FUELS - UNLEADED PETROL - REQUIREMENTS AND TEST METHODS
I.S. EN ISO 8178-5:1998 RECIPROCATING INTERNAL COMBUSTION ENGINES - EXHAUST EMISSION MEASUREMENT - PART 5: TEST FUELS
PD CEN/TR 16514:2013 Automotive fuels. Unleaded petrol containing more than 3,7 % (m/m) oxygen. Roadmap, test methods, and requirements for E10+ petrol
ISO 8178-5:2015 Reciprocating internal combustion engines Exhaust emission measurement Part 5: Test fuels
DIN EN 228:2017-08 AUTOMOTIVE FUELS - UNLEADED PETROL - REQUIREMENTS AND TEST METHODS
EN ISO 8178-5 : 1997 RECIPROCATING INTERNAL COMBUSTION ENGINES - EXHAUST EMISSION MEASUREMENT - TEST FUELS
PREN 228 : DRAFT 2009 AUTOMOTIVE FUELS - UNLEADED PETROL - REQUIREMENTS AND TEST METHODS
S.R. CEN/TR 16514:2013 AUTOMOTIVE FUELS - UNLEADED PETROL CONTAINING MORE THAN 3,7% (M/M) OXYGEN - ROADMAP, TEST METHODS, AND REQUIREMENTS FOR E10+ PETROL
BS ISO 8178-5:2008 Reciprocating internal combustion engines. Exhaust emission measurement Test fuels
BS EN ISO 8178-5:1997 Reciprocating internal combustion engines. Exhaust emission measurement Test fuels
EN 228:2012+A1:2017 Automotive fuels - Unleaded petrol - Requirements and test methods
CEN/TR 16514 : 2013 AUTOMOTIVE FUELS - UNLEADED PETROL CONTAINING MORE THAN 3,7% (M/M) OXYGEN - ROADMAP, TEST METHODS, AND REQUIREMENTS FOR E10+ PETROL

ISO 3171:1988 Petroleum liquids — Automatic pipeline sampling
ISO 3170:2004 Petroleum liquids — Manual sampling
ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
ISO 648:2008 Laboratory glassware — Single-volume pipettes
ISO 385-1:1984 Laboratory glassware — Burettes — Part 1: General requirements
EN ISO 1042 : 1999 LABORATORY GLASSWARE - ONE-MARK VOLUMETRIC FLASKS
EN ISO 3170:2004 Petroleum liquids - Manual sampling (ISO 3170:2004)
EN ISO 3171:1999 Petroleum liquids - Automatic pipeline sampling (ISO 3171:1988)

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