21/30430855 DC

This standard 21/30430855 DC BS EN 936. Chemicals used for treatment of water intended for human consumption. Carbon dioxide is classified in these ICS categories:

• 71.100.80 Chemicals for purification of water

This document is applicable to carbon dioxide used for treatment of water intended for human consumption. It describes the characteristics of carbon dioxide and specifies the requirements and corresponding analytical methods for carbon dioxide. It also gives information on its use in water treatment.