EN ISO 23157:2022
Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021)

Standard No.

EN ISO 23157:2022

Release Date

2022

Published By

European Committee for Standardization (CEN)

Status

Withdraw 2023-04

Latest

EN ISO 23157:2022

Scope

This document specifies a method for the determination of the silanol group content on the surface of fumed silica by reaction gas chromatographic method.

EN ISO 23157:2022 history

• 2022 EN ISO 23157:2022 Determination of the silanol group content on the surface of fumed silica - Reaction gas chromatographic method (ISO 23157:2021)