Gas analysis. Preparation of calibration gas mixtures using dynamic volumetric methods Continuous syringe injection method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-2009

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Principle
4 Application to preparation of gas mixtures
  4.1 Description of the experimental procedure
  4.2 Area of validity
  4.3 Operating conditions
5 Expression of results
  5.1 Volume fraction
  5.2 Sources of uncertainty
  5.3 Uncertainty of volume fraction
Annex A (informative) - Pre-mixed gases for preparation
                        of mixtures of high dilution
Annex B (informative) - Example of apparatus for preparation
                        of calibration gas mixtures
Annex C (informative) - Practical hints
Annex D (informative) - Example of the determination of
                        the uncertainty in the concentration
                        of a calibration gas mixture prepared
                        by the continuous injection method
Bibliography

Describes a method for continuous production of calibration gas mixtures, containing two or more components, from pure gases or other gas mixtures by continuous injection of the calibration component(s) into a complementary gas stream by means of a syringe.

Committee	PTI/15
DevelopmentNote	Renumbers and supersedes BS ISO 6145-4. 2008 version incorporates corrigendum to BS ISO 6145-4. Supersedes BS 4559-5.4(1987) & 01/123356 DC. (02/2009)
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current
Supersedes	01/123356 DC : DRAFT SEP 2001 BS 4559-5.4:1987 BS ISO 6145-4 : 2004

Standards	Relationship
EN ISO 6145-4:2008	Identical
ISO 6145-4:2004	Identical

ISO/IEC Guide 98:1993	Guide to the expression of uncertainty in measurement (GUM)
ISO 6145-7:2009	Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 7: Thermal mass-flow controllers
ISO 6143:2001	Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
ISO 7504:2015	Gas analysis Vocabulary
ISO 6145-1:2003	Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 1: Methods of calibration

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BS EN ISO 6145-4:2008

Gas analysis. Preparation of calibration gas mixtures using dynamic volumetric methods Continuous syringe injection method

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