EN ISO 19739:2005
(Main)Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)
Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)
ISO 19739:2004 specifies the determination of hydrogen sulfide, carbonyl sulfide, C1 to C4 thiols, sulfides and tetrahydrothiophene (THT) using gas chromatography (GC). Depending on the method chosen from those given in its annexes, the application ranges for the determination of sulfur compounds can vary, but whichever of the methods is used, its requirements apply.
Erdgas - Bestimmung von Schwefelverbindungen mittels Gaschromatographie (ISO 19739:2004)
Diese Internationale Norm legt die Bestimmung von Schwefelwasserstoff, Kohlenstoffoxidsulfid, Thiole mit C1 bis C4, Sulfide und Tetrahydrothiopen (THT) mittels Gaschromatographie (GC) fest. Abhängig vom aus den Anhängen gewählten Verfahren kann der Bereich der Anwendbarkeit der Schwefelbestimmung variieren. In jedem Fall gelten bei jedem gewählten Verfahren die Anforderungen dieses Internationalen Standards.
Gaz naturel - Détermination des composés soufrés par chromatographie en phase gazeuse (ISO 19739:2004)
L'ISO 19739:2005 spécifie la détermination du sulfure d'hydrogène, du sulfure de carbonyle, des thiols, C1 à C4, des sulfures et du tétrahydrothiophène (THT) en utilisant la chromatographie en phase gazeuse (CPG). En fonction de la méthode choisie parmi celles données dans les annexes, les plages d'application pour la détermination des composés soufrés peuvent varier, mais quelle que soit la méthode employée, les exigences de la présente Norme internationale s'appliquent.
Zemeljski plin – Določevanje žveplovih spojin s plinsko kromatografijo (ISO 19739:2004)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2006
=HPHOMVNLSOLQ±'RORþHYDQMHåYHSORYLKVSRMLQVSOLQVNRNURPDWRJUDILMR ,62
Natural gas - Determination of sulfur compounds using gas chromatography (ISO
19739:2004)
Erdgas - Bestimmung von Schwefelverbindungen mittels Gaschromatographie (ISO
19739:2004)
Gaz naturel - Détermination des composés soufrés par chromatographie en phase
gazeuse (ISO 19739:2004)
Ta slovenski standard je istoveten z: EN ISO 19739:2005
ICS:
75.060 Zemeljski plin Natural gas
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 19739
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2005
ICS 75.060
English Version
Natural gas - Determination of sulfur compounds using gas
chromatography (ISO 19739:2004)
Gaz naturel - Détermination des composés soufrés par Erdgas - Bestimmung von Schwefelverbindungen mittels
chromatographie en phase gazeuse (ISO 19739:2004) Gaschromatographie (ISO 19739:2004)
This European Standard was approved by CEN on 3 November 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19739:2005: E
worldwide for CEN national Members.
Foreword
The text of ISO 19739:2004 has been prepared by Technical Committee ISO/TC 193 "Natural
gas” of the International Organization for Standardization (ISO) and has been taken over as EN
ISO 19739:2005 by CMC.
This European Standard shall be given the status of a national standard, either by publication of
an identical text or by endorsement, at the latest by May 2006, and conflicting national standards
shall be withdrawn at the latest by May 2006.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 19739:2004 has been approved by CEN as EN ISO 19739:2005 without any
modifications.
INTERNATIONAL ISO
STANDARD 19739
First edition
2004-05-01
Corrected version
2005-11-15
Natural gas — Determination of sulfur
compounds using gas chromatography
Gaz naturel — Détermination des composés soufrés par
chromatographie en phase gazeuse
Reference number
ISO 19739:2004(E)
©
ISO 2004
ISO 19739:2004(E)
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ii © ISO 2004 – All rights reserved
ISO 19739:2004(E)
Contents Page
Foreword. iv
Introduction . iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 1
4 Principle. 3
5 Apparatus . 3
6 Sampling. 4
6.1 Safety precautions. 4
6.2 Temperature control. 4
6.3 Construction materials. 5
6.4 Cleanness . 5
6.5 Installation of the calibration gas cylinder. 5
6.6 Pressure control . 5
6.7 Purging of reduction valve and transfer lines .5
6.8 Flow control. 6
6.9 Diffusion control . 6
6.10 Automation and sequences of sampling . 6
7 Calibration . 6
8 Analysis . 6
9 Performance characteristics required for sulfur analysis. 7
10 Test report . 8
Annex A (informative) Columns mostly used in sulfur analysis (with internal phase and
dimensions). 9
Annex B (informative) Types of detectors used in sulfur analysis . 10
Annex C (informative) GC method using capillary column and FPD. 13
Annex D (informative) GC method using ED . 19
Annex E (informative) GC method using MSD . 25
Annex F (informative) GC method using AED. 28
Annex G (informative) GC methods using column switching and FPD. 31
Annex H (informative) GC method using capillary column and SCD . 43
Annex I (informative) GC method using capillary column and PFPD . 50
Bibliography . 55
ISO 19739:2004(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 19739 was prepared by Technical Committee ISO/TC 193, Natural gas, Subcommittee SC 1, Analysis of
natural gas.
This first edition of ISO 19739 cancels and replaces ISO 6326-2:1981 and ISO 6326-4:1994, of which it
constitutes a technical revision.
This corrected version of ISO 19739:2004 incorporates the following corrections:
page 2, 3.2: a prime has been added to the second R in the formula and the description in parenthesis;
page 2, 3.3: a prime has been added to the second R in the formula and the description in parenthesis;
page 7, 9 b): the name of the molecule has been corrected to 2-methylpropane-2-thiol;
pages 20, 31, 43 and 44: the footnotes have been corrected to read ".this International Standard.";
page 22, D.3.4.2: the temperature has been changed to 293 K;
page 43: the name of the molecule has been corrected to 2-methylpropane-2-thiol;
other minor editorial rectifications.
iv © ISO 2004 – All rights reserved
ISO 19739:2004(E)
Introduction
Sulfur compounds may occur naturally in natural gas and remain as traces after treatment, or they may have
been injected deliberately to allow subsequent olfactory detection for safety reasons.
The standardization of several methods for the determination of sulfur compounds in natural gas is necessary
in view of the diversity of these compounds (hydrogen sulfide, carbonyl sulfide, tetrahydrothiophene, etc.) and
the requirements of the determinations (e.g. required uncertainty, measurement at the drilling head, clean-up
plant or in transmission pipes).
In order to enable its user to choose the most appropriate method for his/her particular needs and perform the
measurements under the best conditions, this International Standard gives the requirements needed to
perform a sulfur analysis.
INTERNATIONAL STANDARD ISO 19739:2004(E)
Natural gas — Determination of sulfur compounds using gas
chromatography
WARNING — Some sulfur compounds can constitute a serious health hazard.
1 Scope
This International Standard specifies the determination of hydrogen sulfide, carbonyl sulfide, C to C thiols,
1 4
sulfides and tetrahydrothiophene (THT) using gas chromatography (GC). Depending on the method chosen
from those given in the annexes, the application ranges for the determination of sulfur compounds can vary,
but whichever of the methods is used, the requirements of this International Standard apply.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
...
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