NF EN ISO 6142 : 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES - GRAVIMETRIC METHOD
01-11-2015
12-01-2013
Foreword
1 Scope
2 Normative references
3 Principle
4 Preparation of the mixture
5 Calculation of uncertainty
6 Verification of calibration gas mixture composition
7 Test report
Annex A (informative) Practical examples
Annex B (informative) Guidelines for estimating filling
pressures so as to avoid condensation of
condensable components in gas mixtures
Annex C (informative) Precautions to be taken when
weighing, handling and filling cylinders
Annex D (informative) Derivation of the equation for
calculating the calibration gas mixture
composition
Annex E (informative) Sources of error
Annex F (informative) Estimation of corrections and
correction uncertainty
Annex G (informative) Computer implementation of
recommended methods
Bibliography
Describes a gravimetric method for the preparation of calibration gas mixtures in cylinders of which the target accuracy has been pre-defined. Applicable only to mixtures of gaseous or totally vaporized components which do not react with each other or with the cylinder walls.
| DevelopmentNote |
Indice de classement: X20-542 PR NF EN ISO 6142 October 2005. (10/2005) Supersedes NFX 20 202. (02/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| EN ISO 6142:2006 | Identical |
| DIN EN ISO 6142:2006-11 | Identical |
| I.S. EN ISO 6142:2007 | Identical |
| BS EN ISO 6142:2006 | Identical |
| ISO 6142:2001 | Identical |
| UNE-EN ISO 6142:2007 | Identical |
| NF EN ISO 6145-1 : 2008 | GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES USING DYNAMIC VOLUMETRIC METHODS - PART 1: METHODS OF CALIBRATION |
| NF EN 15483 : 2009 | AMBIENT AIR QUALITY - ATMOSPHERIC MEASUREMENTS NEAR GROUND WITH FTIR SPECTROSCOPY |
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