EN ISO 12624:2022
建筑设备与工业装置用热绝缘产品.水溶性氯化物,氟化物,硅酸盐,钠离子与PH痕量的测定.

Thermal insulating products for building equipment and industrial installations - Determination of trace quantities of water-soluble chloride, fluoride, silicate, sodium ions and pH (ISO 12624:2022)

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标准号

EN ISO 12624:2022

发布

2022年

发布单位

欧洲标准化委员会

当前最新

EN ISO 12624:2022

 

 

适用范围

This document specifies the equipment and procedures for determining trace quantities of the water-soluble chloride, fluoride, silicate and sodium ions in an aqueous extract of the product. It also describes a procedure for the determination of the pH of the aqueous extract. It is applicable to thermal insulating products. NOTE The determination of these parameters can be relevant for thermal insulating products intended for application to stainless austenitic steel surfaces. The presence of chloride, fluoride, silicate and sodium ions under certain conditions can influence the risk of stress corrosion cracking. See Annex B for further information on general use of this document.

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