This standard BS ISO 21340:2017 Test methods for fibrous activated carbon is classified in these ICS categories:
59.080.01 Textiles in general
This document specifies test methods for determining the properties of fibrous activated carbon, including specific surface area, pore volume, fibre and sheet properties, mass loss on drying, pH value, total ash content, and performance for toluene adsorption, methylene blue adsorption and iodine adsorption.