EN 1421:2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Chemicals used for treatment of water intended for human consumption - Ammonium chloride
27-04-2022
14-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Description
4 Purity criteria
5 Test methods
6 Labelling - Transportation - Storage
Annex A (informative) - General information on ammonium
chloride
Annex B (normative) - General rules relating to safety
Bibliography
This European Standard 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).
| Committee |
CEN/TC 164
|
| DevelopmentNote |
Supersedes PREN 1421. (12/2012)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| DS EN 1421 : 2013 | Identical |
| ONORM EN 1421 : 2013 | Identical |
| UNI EN 1421 : 2013 | Identical |
| UNE-EN 1421:2013 | Identical |
| PN EN 1421 : 2013 | Identical |
| SN EN 1421 : 2012 | Identical |
| BS EN 1421:2012 | Identical |
| DIN EN 1421:2013-03 | Identical |
| I.S. EN 1421:2012 | Identical |
| NEN EN 1421 : 2012 | Identical |
| NBN EN 1421 : 2013 | Identical |
| NF EN 1421 : 2013 | Identical |
| NS EN 1421 : 2012 | Identical |
| ISO 3165:1976 | Sampling of chemical products for industrial use — Safety in sampling |
| EN ISO 11885:2009 | Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007) |
| ISO 11969:1996 | Water quality Determination of arsenic Atomic absorption spectrometric method (hydride technique) |
| EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) |
| ISO 12846:2012 | Water quality — Determination of mercury — Method using atomic absorption spectrometry (AAS) with and without enrichment |
| ISO 9965:1993 | Water quality Determination of selenium Atomic absorption spectrometric method (hydride technique) |
| ISO 8288:1986 | Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods |
| ISO 3332:1975 | Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation |
| ISO 11885:2007 | Water quality Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) |
| EN 1233:1996 | Water quality - Determination of chromium - Atomic absorption spectrometric methods |
| ISO 6332:1988 | Water quality — Determination of iron — Spectrometric method using 1,10-phenanthroline |
| ISO 2762:1973 | Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
| ISO 6206:1979 | Chemical products for industrial use — Sampling — Vocabulary |
| ISO 8213:1986 | Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps |
| EN ISO 11969:1996 | Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) (ISO 11969:1996) |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.