ISO 11844-3:2020
Corrosion of metals and alloys — Classification of low corrosivity of indoor atmospheres — Part 3: Measurement of environmental parameters affecting indoor corrosivity
This document specifies methods for measuring the environmental parameters used to classify the corrosivity of indoor atmospheres on metals and alloys.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Environmental parameters
6 Humidity and temperature parameters
6.1 Relative humidity
6.2 Temperature
6.3 Temperature–humidity complex
7 Airborne gas contaminants
7.1 Principle
7.2 Placing of measuring equipment
7.2.1 General
7.2.2 Continuous gas-measuring instruments
7.2.3 Active sampler
7.2.4 Passive sampler
7.2.5 Gas-deposition equipment
7.3 Measuring methods and duration
7.3.1 Continuous measurement
7.3.2 Measurement and calculation with the active sampler
7.3.3 Measurement and calculation with the passive sampler
7.3.4 Measurement and calculation of deposition rate of gas pollution
8 Airborne particle contaminants
8.1 Principle
8.2 Volumetric measurements
8.3 Measurement of particle deposits
9 Dry deposition velocity and measurements of air flow
Annex A (informative) Reagents used for both passive and active samplers
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Environmental parameters
6 Humidity and temperature parameters
6.1 Relative humidity
6.2 Temperature
6.3 Temperature–humidity complex
7 Airborne gas contaminants
7.1 Principle
7.2 Placing of measuring equipment
7.2.1 General
7.2.2 Continuous gas-measuring instruments
7.2.3 Active sampler
7.2.4 Passive sampler
7.2.5 Gas-deposition equipment
7.3 Measuring methods and duration
7.3.1 Continuous measurement
7.3.2 Measurement and calculation with the active sampler
7.3.3 Measurement and calculation with the passive sampler
7.3.4 Measurement and calculation of deposition rate of gas pollution
8 Airborne particle contaminants
8.1 Principle
8.2 Volumetric measurements
8.3 Measurement of particle deposits
9 Dry deposition velocity and measurements of air flow
Annex A (informative) Reagents used for both passive and active samplers
Bibliography