NEN EN 939 : 2016
Current
The latest, up-to-date edition.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - HYDROCHLORIC ACID
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Description
3.1 Identification
3.2 Commercial forms
3.3 Physical properties
3.4 Chemical properties
4 Purity criteria
4.1 Composition of commercial product
4.2 Impurities and main by-products
4.3 Toxic substances
5 Test methods
5.1 Sampling
5.2 Analyses
6 Labelling - Transportation - Storage
6.1 Means of delivery
6.2 Risk and safety labelling according to the EU
Directives
6.3 Transportation regulations and labelling
6.4 Marking
6.5 Storage
Annex A (informative) General information on hydrochloric
acid
Annex B (normative) General rules relating to safety
Annex C (normative) Determination of arsenic, antimony and
selenium (atomic absorption spectrometry
hydride technique)
Bibliography
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