Gas cylinders. Gases and gas mixtures. Determination of fire potential and oxidizing ability for the selection of cylinder valve outlets (ISO 10156:2017)
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ISO 10156:2017 specifies methods for determining whether or not a gas or gas mixture is flammable in air and whether a gas or gas mixture is more or less oxidizing than air under atmospheric conditions. ISO 10156:2017 is intended to be used for the classification of gases and gas mixtures including the selection of gas cylinder valve outlets. ISO 10156:2017 does not cover the safe preparation of these mixtures under pressure and at temperatures other than ambient.
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Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
4 Flammability of gases and gas mixtures in air
4.1 General
4.2 Test method
4.3 Calculation method for flammability of gas mixtures containing n flammable gases and p inert gases
4.4 Examples
4.5 Calculation method for lower flammability limit of gas mixtures
4.6 Examples
4.7 Classification according to the Globally Harmonized System (GHS)
5 Oxidizing power of gases and gas mixtures
5.1 General
5.2 Test method
5.3 Calculation method
6 Mixtures containing oxygen and flammable gases
6.1 General
6.2 Basis of flammability classification
6.3 Examples
Annex A Classification according to the Globally Harmonized System (GHS) (informative)