I.S. 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE
Hardcopy , PDF
12-05-2022
English
01-01-2012
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
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
Pertains to ammonium chloride used for treatment of water intended for human consumption.
| DocumentType |
Standard
|
| Pages |
17
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| UNI EN 1421 : 2013 | Identical |
| EN 1421:2012 | Identical |
| UNE-EN 1421:2013 | Identical |
| SN EN 1421 : 2012 | Identical |
| BS EN 1421:2012 | Identical |
| DIN EN 1421:2013-03 | Identical |
| NEN EN 1421 : 2012 | Identical |
| NS EN 1421 : 2012 | Identical |
| NBN EN 1421 : 2013 | Identical |
| NF EN 1421 : 2013 | Identical |
| ONORM EN 1421 : 2013 | 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.