SN EN 12338 : 1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
WATER QUALITY - DETERMINATION OF MERCURY - ENRICHMENT METHODS BY AMALGAMATION
01-08-2012
12-01-2013
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
|
| PublisherName |
Swiss Standards
|
| Status |
Withdrawn
|
| 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 |
| DIN EN 12338:1998-10 | Identical |
| NEN EN 12338 : 1998 | Identical |
| UNE-EN 12338:1999 | Identical |
| NS EN 12338 : 1ED 1999 | Identical |
| EN 12338:1998 | Identical |
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