BS EN 1421:2022
Chemicals used for treatment of water intended for human consumption. Ammonium chloride
- Standard No.
- BS EN 1421:2022
- Release Date
- 2022
- Published By
- British Standards Institution (BSI)
- Latest
- BS EN 1421:2022
- Scope
- 1 Scope This document is applicable to ammonium chloride used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of ammonium chloride and refers to the corresponding analytical methods. It gives information for its use in water treatment. It also determines the rules relating to safe handling and use of ammonium chloride (see Annex B).
BS EN 1421:2022 Referenced Document
- EN 1233 Water Quality - Determination of Chromium - Atomic Absorption Spectrometric Methods
- EN ISO 11885 Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
- EN ISO 12846 Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment
- EN ISO 3696 Water for Analytical Laboratory Use- Specification and Test Methods (ISO 3696 : 1987)
- ISO 17378-2 Water quality - Determination of arsenic and antimony - Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)
- ISO 2762 Hydrochloric acid for industrial use; Determination of soluble sulphates; Turbidimetric method
- ISO 3332 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
- ISO 6332 Water quality; determination of iron; spectrometric method using 1,10-phenanthroline
- ISO 8213 Chemical products for industrial use; Sampling techniques; Solid chemical products in the form of particles varying from powders to coarse lumps
- ISO 8288:1986 Water quality; Determination of cobalt, nickel, copper, zinc, cadmium and lead; Flame atomic absorption spectrometric methods
- ISO/TS 17379-2 Water quality.Determination of selenium.Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)
BS EN 1421:2022 history
- 2022 BS EN 1421:2022 Chemicals used for treatment of water intended for human consumption. Ammonium chloride
- 2013 BS EN 1421:2012 Chemicals used for treatment of water intended for human consumption. Ammonium chloride
- 2005 BS EN 1421:2005 Chemicals used for treatment of water intended for human consumption - Ammonium chloride
