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BS EN 12124:2022 – TC

BS EN 12124:2022 – TC

$134.27

Tracked Changes. Chemicals used for treatment of water intended for human consumption. Sodium sulfite

Published By Publication Date Number of Pages
BSI 2022 46
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This document is applicable to sodium sulfite used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium sulfite and refers to the corresponding analytical methods. It gives information for its use in water treatment.

PDF Catalog

PDF Pages PDF Title
1 30462670
27 A-30404901
28 undefined
33 1 Scope
2 Normative references
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
34 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
4.3.3 Solubility in water
4.3.4 Vapour pressure
4.3.5 Boiling point at 100 kPa
4.3.6 Crystallization point
4.3.7 Specific heat
35 4.3.8 Viscosity, dynamic
4.3.9 Critical temperature
4.3.10 Critical pressure
4.3.11 Physical hardness
4.4 Chemical properties
5 Purity criteria
5.1 General
5.2 Composition of commercial product
5.3 Impurities and main by-products
5.4 Chemical parameters
36 6 Test methods
6.1 Sampling
6.2 Analyses
6.2.1 Main product
6.2.2 Impurities
6.2.2.1 Sulfate
6.2.2.2 Iron (Fe)
6.2.3 Chemical parameters
6.2.3.1 General
37 6.2.3.2 Determination of cadmium (Cd), chromium (Cr), lead (Pb) and nickel (Ni)
40 6.2.3.3 Determination of arsenic (As), antimony (Sb) and selenium (Se)
42 7 Labelling – Transportation – Storage
7.1 Means of delivery
7.2 Labelling according to the EU legislation
7.3 Transportation regulations and labelling
7.4 Marking
7.5 Storage
7.5.1 Long term stability
7.5.2 Storage incompatibilities
43 Annex A (informative)General information on sodium sulfite
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
44 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 12124:2022 - TC
$134.27