BS ISO 22479:2019 Corrosion of metals and alloys – Sulfur dioxide test in a humid atmosphere (fixed gas method)
BS ISO 22479:2019 pdf download.Corrosion of metals and alloys – Sulfur dioxide test in a humid atmosphere (fixed gas method). 5.3 Source of sulfur dioxide. The source of sulfur dioxide should be a gas cylinder with a volume concentration of more than 99,9 %. It shall be fitted with appropriate regulating and measuring apparatus to ensure the supply of the […]
Continue reading »