NEN EN 237 : 2004
Current
The latest, up-to-date edition.
LIQUID PETROLEUM PRODUCTS - PETROL - DETERMINATION OF LOW LEAD CONCENTRATIONS BY ATOMIC ABSORPTION SPECTROMETRY
12-01-2013
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
Describes 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.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN 237 : 2005 | Identical |
| EN 237:2004 | Identical |
| I.S. EN 237:2004 | Identical |
| BS EN 237:2004 | Identical |
| DIN EN 237:2004-12 | Identical |
| UNE-EN 237:2005 | Identical |
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