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BS EN 12125:2022 – TC

BS EN 12125:2022 – TC

$134.27

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

Published By Publication Date Number of Pages
BSI 2022 48
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This document is applicable to sodium thiosulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium thiosulfate and refers to the corresponding analytical methods. It gives information for its use in water treatment.

PDF Catalog

PDF Pages PDF Title
1 30464653
29 A-30407999
30 undefined
35 1 Scope
2 Normative references
3 Terms and definitions
4 Description
4.1 Identification
4.1.1 Chemical name
4.1.2 Synonym or commons names
4.1.3 Relative molecular mass
36 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
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
4.3.8 Viscosity, dynamic
4.3.9 Critical temperature
37 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
38 6 Test methods
6.1 Sampling
6.2 Analyses
6.2.1 Main product
6.2.2 Impurities
6.2.3 Chemical parameters
6.2.3.1 General
39 6.2.3.2 Determination of cadmium (Cd), chromium (Cr), lead (Pb) and nickel (Ni)
42 6.2.3.3 Determination of arsenic (As), antimony (Sb) and selenium (Se)
44 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
45 Annex A (informative)General information on sodium thiosulfate
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
A.3 General rules relating to safety
A.3.1 Rules for safe handling and use
46 Annex B (normative)General rules relating to safety
B.1 Emergency procedures
B.1.1 First aid
B.1.2 Spillage
B.1.3 Fire

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BS EN 12125:2022 - TC
$134.27