I.S. EN 12338:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
WATER QUALITY - DETERMINATION OF MERCURY - ENRICHMENT METHODS BY AMALGAMATION
Hardcopy , PDF
08-06-2012
English
01-01-1999
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.
Foreword
Introduction
1 Scope
2 Normative references
3 General references
4 Determination of mercury after tin (II) chloride
reduction and enrichment by amalgamation
4.1 Working range
4.2 Principle
4.3 Interferences
4.4 Reagents
4.5 Apparatus
4.6 Sampling and sample pretreatment
4.7 Digestion method using permanganate peroxodisulfate
4.8 Procedure
4.9 Calculation
4.10 Expression of results
4.11 Test report
5 Determination of mercury after sodium tetrahydroborate
reduction and enrichment by amalgamation
5.1 Working range
5.2 Principle
5.3 Interferences
5.4 Reagents
5.5 Apparatus
5.6 Sampling and sample pretreatment
5.7 Digestion method
5.8 Procedure
5.9 Calculation
5.10 Expression of results
5.11 Test report
6 Precision data
Annex A (informative) Ultrasonic digestion method
Annex B (informative) Autoclave digestion method
Annex C (informative) Microwave digestion method
Annex D (informative) Bibliography
Defines the determining of mercury in two parts using either tin(II) chloride or sodium tetrahydroborate as reducing agent.
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NBN EN 12338 : 1998 | Identical |
| DIN EN 12338:1998-10 | Identical |
| NEN EN 12338 : 1998 | Identical |
| EN 12338:1998 | Identical |
| NF EN 12338 : 1998 | Identical |
| BS EN 12338:1998 | Identical |
| UNI EN 12338 : 2003 | Identical |
| UNE-EN 12338:1999 | Identical |
| NS EN 12338 : 1ED 1999 | Identical |
| SN EN 12338 : 1999 | Identical |
| EN 25667-1 : 1993 | WATER QUALITY - SAMPLING - GUIDANCE ON THE DESIGN OF SAMPLING PROGRAMMES |
| ISO 5667-2:1991 | Water quality Sampling Part 2: Guidance on sampling techniques |
| ISO 5667-3:2012 | Water quality Sampling Part 3: Preservation and handling of water samples |
| ISO 5667-1:2006 | Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques |
| EN ISO 5667-3:2012 | Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2012) |
| EN 25667-2 : 1993 | WATER QUALITY - SAMPLING - GUIDANCE ON SAMPLING TECHNIQUES |
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