Name: UNI EN ISO 6145-10 : 2009
Brand: UNI

GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES USING DYNAMIC VOLUMETRIC METHODS - PART 10: PERMEATION METHOD

Published date

01-22-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative reference
3 Principle
4 Reagents and materials
5 Apparatus
6 Procedure
  6.1 Preliminary checks and operating conditions
  6.2 Determination of mass loss
7 Expression of results
  7.1 Calculation
  7.2 Sources of uncertainty
  7.3 Estimation of uncertainties
  7.4 Example calculation of uncertainties
Annex A (informative) - Example of uncertainty
        calculation for a two-pan continuous
        weighing system
Bibliography

Describes a dynamic method using permeation membranes for the preparation of calibration gas mixtures containing component mole fractions ranging from 10[-9] and 10[-6].

Committee	CT 101
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
EN ISO 6145-10:2008	Identical
ISO 6145-10:2002	Identical

ISO/IEC Guide 98:1993	Guide to the expression of uncertainty in measurement (GUM)
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