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BS EN ISO 9225:2012

Current
Current

The latest, up-to-date edition.

Corrosion of metals and alloys. Corrosivity of atmospheres. Measurement of environmental parameters affecting corrosivity of atmospheres
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-29-2012

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Humidity and temperature parameters
5 Airborne contaminants
Annex A (normative) - Determination of sulfur dioxide
        deposition rate on lead dioxide sulfation plates
Annex B (normative) - Determination of sulfur dioxide
        deposition rate on lead dioxide sulfation cylinder
Annex C (normative) - Determination of sulfur dioxide
        deposition rate on alkaline surfaces
Annex D (normative) - Determination of chloride
        deposition rate by the wet candle method
Annex E (normative) - Determination of chloride
        deposition rate by dry plate method
Annex F (normative) - Comparison of chlorides
        and sulfur dioxide deposition rates determined
        by different methods
Bibliography

Describes methods for measuring the parameters needed for corrosivity estimation used for classification of the corrosivity of atmospheres in ISO 9223.

This International Standard specifies methods for measuring the parameters needed for corrosivity estimation used for classification of the corrosivity of atmospheres in ISO9223.

This International Standard specifies methods for the measurement of environmental parameters for

  • normative corrosivity estimation based on calculated first-year corrosion rates of standard metals, and

  • informative corrosivity estimation based on characterization of the exposure environment.

This International Standard does not describe the usual analytical techniques for the measured parameters since this depends on the available analytical techniques used in laboratories. Specific methods for deposition measurement of SO2 and Cl deposition rates and conversional factors for comparison of different measuring methods are presented in AnnexesA, B, C, D, E and F.

For methods pertaining to the characterization of the atmospheric exposure site in general, see ISO8565.

Committee
ISENFE/8
DevelopmentNote
Together with BS EN ISO 9223, BS EN ISO 9224 and BS EN ISO 9226, it supersedes BS EN 12500. (02/2012)
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 9225:2012 Identical
ISO 9225:2012 Identical

ISO 9223:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Classification, determination and estimation
EN 13528-1:2002 Ambient air quality - Diffusive samplers for the determination of concentrations of gases and vapours - Requirements and test methods - Part 1: General requirements
ISO 8565:2011 Metals and alloys Atmospheric corrosion testing General requirements
ISO 11844-3:2006 Corrosion of metals and alloys Classification of low corrosivity of indoor atmospheres Part 3: Measurement of environmental parameters affecting indoor corrosivity

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