BS ISO 6978-2 : 2003 AMD 16345

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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NATURAL GAS - DETERMINATION OF MERCURY - PART 2: SAMPLING OF MERCURY BY AMALGAMATION ON GOLD/PLATINUM ALLOY

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Superseded date: 15-07-2006

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Published date: 23-11-2012

Publisher: British Standards Institution

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents and materials
7 Preparation of sampling and analytical tubes
   7.1 Filling
   7.2 Cleaning
   7.3 Efficiency testing
8 Sampling
   8.1 General
   8.2 Conditions for representative sampling
   8.3 Sampling procedure at atmospheric pressure (see Figure 1)
   8.4 Sampling procedure at high pressure (see Figure 4)
   8.5 Removal of condensate from discarded sampling tubes
9 Mercury determination
   9.1 Transfer of mercury to the analytical tube
       (double amalgamation)
   9.2 Transfer of mercury to AAS or AFS instrument
   9.3 Calibration
   9.4 Blank test
10 Calculation
11 Precision
12 Test report
Bibliography

Abstract - (Show below) - (Hide below)

Defines a method for the determination of total mercury content of pipeline quality natural gas using a sampling method by amalgamation on gold/platinum (Au/Pt) alloy thread.

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Committee	PTI/15
Development Note	Supersedes BS 7678(1993) and 98/123655 DC (12/2003) Renumbered and superseded by BS EN ISO 6978-2. (07/2006)
Document Type	Standard
ISBN
Pages
Published
Publisher	British Standards Institution
Status	Superseded
Superseded By	BS EN ISO 6978-2:2005
Supersedes	98/123655 DC : JUL 98 BS 7678:1993

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
ISO 6978-2:2003	Identical

Standards Referencing This Book - (Show below) - (Hide below)

ISO 10715:1997	Natural gas — Sampling guidelines
ISO 6978-1:2003	Natural gas Determination of mercury Part 1: Sampling of mercury by chemisorption on iodine
ISO 14532:2014	Natural gas — Vocabulary
ISO 14111:1997	Natural gas — Guidelines to traceability in analysis
ISO 641:1975	Laboratory glassware — Interchangeable spherical ground joints
ISO 6570:2001	Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods

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