This standard BS ISO 21993:2020 Paper and pulp. Deinkability test for printed paper products is classified in these ICS categories:
85.060 Paper and board
85.040 Pulps
85.080.01 Paper products in general
This document specifies a basic laboratory test method for deinkability, applicable to any kind of printed paper product, under alkaline conditions by means of single stage flotation deinking and fatty acid-based collector chemistry.