GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES USING DYNAMIC VOLUMETRIC METHODS - PART 4: CONTINUOUS SYRINGE INJECTION METHOD

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Publisher

National Standards Authority of Ireland

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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.

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

Provides 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.

DocumentType	Standard
Pages	28
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
ISO 6145-4:2004	Identical
EN ISO 6145-4:2008	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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I.S. EN ISO 6145-4:2008

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

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