DIN EN 12338:1998-10
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WATER QUALITY - DETERMINATION OF MERCURY - METHODS AFTER ENRICHMENT BY AMALGAMATION
Hardcopy , PDF
01-08-2012
English
12-01-2013
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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)
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 |
22
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| I.S. EN 12338:1999 | Identical |
| NBN EN 12338 : 1998 | Identical |
| NF EN 12338 : 1998 | Identical |
| BS EN 12338:1998 | Identical |
| UNI EN 12338 : 2003 | Identical |
| NEN EN 12338 : 1998 | Identical |
| UNE-EN 12338:1999 | Identical |
| NS EN 12338 : 1ED 1999 | Identical |
| SN EN 12338 : 1999 | Identical |
| EN 12338:1998 | Identical |
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