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BS EN 1421:2022 – TC

BS EN 1421:2022 – TC

$134.27

Tracked Changes. Chemicals used for treatment of water intended for human consumption. Ammonium chloride

Published By Publication Date Number of Pages
BSI 2022 40
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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).

PDF Catalog

PDF Pages PDF Title
1 30455313
21 A-30404898
22 undefined
28 1 Scope
2 Normative references
29 3 Terms and definitions
4 Description
4.1 Identification
4.1.1 Chemical name
4.1.2 Synonym or common name
4.1.3 Relative molecular mass
4.1.4 Empirical formula
4.1.5 Chemical formula
4.1.6 CAS Registry Number
4.1.7 EINECS reference
4.2 Commercial form
4.3 Physical properties
4.3.1 Appearance and odour
4.3.2 Density
30 4.3.3 Solubility in water
4.3.4 Vapour pressure
4.3.5 Boiling point at 100 kPa
4.3.6 Melting point
4.3.7 Specific heat
4.3.8 Viscosity
4.3.9 Critical temperature
4.3.10 Critical pressure
4.3.11 Physical hardness
4.4 Chemical properties
31 5 Purity criteria
5.1 General
5.2 Composition of commercial product
5.3 Impurities and main by-products
32 5.4 Chemical parameters
6 Test methods
6.1 Sampling
6.2 Analyses
6.2.1 Main product
6.2.2 Impurities
6.2.2.1 Iron (Fe)
6.2.2.2 Sulfate
33 6.2.3 Chemical parameters
6.2.3.1 Determination of antimony (Sb), arsenic (As), cadmium (Cd), chromium (Cr), lead (Pb), mercury (Hg), nickel (Ni) and selenium (Se)
34 7 Labelling ā€“ Transportation ā€“ Storage
7.1 Means of delivery
7.2 Labelling according to the EU legislation
35 7.3 Transportation regulations and labelling
7.4 Marking
7.5 Storage
7.5.1 Long term stability
7.5.2 Storage incompatibilities
36 Annex A (informative)General information on ammonium chloride
A.1 Origin
A.1.1 Raw materials
A.1.2 Manufacturing process
A.2 Use
A.2.1 Function
A.2.2 Form in which it is used
A.2.3 Treatment dose
A.2.4 Means of application
A.2.5 Secondary effects
A.2.6 Removal of excess product
37 Annex B (normative)General rules relating to safety
B.1 Rules for safe handling and use
B.2 Emergency procedures
B.2.1 First aid
B.2.2 Spillage
B.2.3 Fire

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BS EN 1421:2022 - TC
$134.27