I.S. EN 973:2009
Current
The latest, up-to-date edition.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORIDE FOR REGENERATION OF ION EXCHANGERS
Hardcopy , PDF
English
01-01-2009
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.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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 sodium chloride
Annex B (normative) Analytical methods
Annex C (informative) Determination of cadmium, chromium, nickel
and lead (flame atomic absorption spectrometry
Annex D (informative) Determination of arsenic, antimony and
selenium (atomic absorption spectrometry hydride technique)
Bibliography
Applies to sodium chloride intended for use only in water treatment apparatus, for the regeneration of ion exchangers, intended for water for human consumption.
| DocumentType |
Standard
|
| Pages |
53
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN 973:2009-12 | Identical |
| NS EN 973 : 2009 | Identical |
| UNI EN 973 : 2009 | Identical |
| NF EN 973 : 2009 | Identical |
| NEN EN 973 : 2009 | Identical |
| EN 973:2009 | Identical |
| UNE-EN 973:2010 | Identical |
| NBN EN 973 : 2009 | Identical |
| SN EN 973 : 2009 | Identical |
| BS EN 973:2009 | Identical |
| ISO 3165:1976 | Sampling of chemical products for industrial use — Safety in sampling |
| ISO 2483:1973 | Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C |
| ISO 6227:1982 | Chemical products for industrial use General method for determination of chloride ions Potentiometric 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 2482:1973 | Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods |
| ISO 8213:1986 | Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps |
| ISO 2479:1972 | Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations |
| ISO 2480:1972 | Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method |
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.