I.S. EN 237:2004
Current
The latest, up-to-date edition.
LIQUID PETROLEUM PRODUCTS - PETROL - DETERMINATION OF LOW LEAD CONCENTRATIONS BY ATOMIC ABSORPTION SPECTROMETRY
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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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
Covers 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.
| Committee |
CEN/TC 19
|
| DocumentType |
Standard
|
| Pages |
13
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| 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 |
| NEN EN 237 : 2004 | Identical |
| UNI EN 237 : 2005 | Identical |
| EN 237:2004 | Identical |
| UNE-EN 237:2005 | Identical |
| DIN EN 237:2004-12 | Identical |
| 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 (ISO 1042:1998) |
| 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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