• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

I.S. EN 12338:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by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

Available format(s)

Hardcopy , PDF

Superseded date

08-06-2012

Superseded by

I.S. EN ISO 12846:2012

Language(s)

English

Published date

01-01-1999

Preview

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.

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Superseded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

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.