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Homepage>BS Standards>71 CHEMICAL TECHNOLOGY>71.100 Products of the chemical industry>71.100.80 Chemicals for purification of water>BS EN 12121:2022 Chemicals used for treatment of water intended for human consumption. Sodium disulfite
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immediate downloadReleased: 2022-04-30
BS EN 12121:2022 Chemicals used for treatment of water intended for human consumption. Sodium disulfite

BS EN 12121:2022

Chemicals used for treatment of water intended for human consumption. Sodium disulfite

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Standard number:BS EN 12121:2022
Pages:22
Released:2022-04-30
ISBN:978 0 539 06957 0
Status:Standard
DESCRIPTION

BS EN 12121:2022


This standard BS EN 12121:2022 Chemicals used for treatment of water intended for human consumption. Sodium disulfite is classified in these ICS categories:
  • 71.100.80 Chemicals for purification of water
This document is applicable to sodium disulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium disulfite and specifies the requirements and the corresponding test methods for sodium disulfite. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B).
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