BS ISO 6978-1 : 2003 AMD 16103

Name: BS ISO 6978-1 : 2003 AMD 16103
Brand: BSI

Superseded

View Superseded by

NATURAL GAS - DETERMINATION OF MERCURY - PART 1: SAMPLING OF MERCURY BY CHEMISORPTION ON IODINE

Superseded date

02-16-2006

Published date

11-23-2012

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents
7 Sampling
   7.1 General
   7.2 Sampling procedure (see Figures 1 and 2)
   7.3 Sample treatment
8 Mercury determination
   8.1 Transfer of mercury to AAS or AFS instrument
   8.2 Calibration
   8.3 Blank test
9 Calculation
10 Precision
   10.1 General
   10.2 Repeatability and reproducibility
   10.3 Uncertainty
11 Test report
Bibliography

Describes a method for the determination of total mercury content in natural gas using a sampling method at pressures up to 40 MPa by chemisorption on iodine-impregnated silica gel.

Committee	PTI/15
DevelopmentNote	Supersedes BS 7678(1993) and 98/123654 DC (12/2003) Renumbered and superseded by BS EN ISO 6978-1 (02/2006)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 6978-1:2005
Supersedes	98/123654 DC : DRAFT JULY 1998 BS 7678:1993

Standards	Relationship
ISO 6978-1:2003	Identical

ISO 10715:1997	Natural gas — Sampling guidelines
ISO 6978-2:2003	Natural gas Determination of mercury Part 2: Sampling of mercury by amalgamation on gold/platinum alloy
ISO 14532:2014	Natural gas — Vocabulary
ISO 14111:1997	Natural gas — Guidelines to traceability in analysis
ISO 6570:2001	Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methods