BS-ISO-6145-1-2003.pdf
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1、BRITISH STANDARD BS ISO 6145-1:2003 Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 1: Methods of calibration ICS 71.040.20 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 04:21:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 6145-1:2003 This
2、British Standard was published under the authority of the Standards Policy and Strategy Committee on 11 October 2004 BSI 11 October 2004 ISBN 0 580 44539 9 National foreword This British Standard reproduces verbatim ISO 6145-1:2003 and implements it as the UK national standard. It supersedes BS 4559
3、-5.1:1987 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PTI/15, Natural gas and gas analysis, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The Br
4、itish Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This
5、publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible intern
6、ational/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO t
7、itle page, pages ii to vi, pages 1 to 32, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 04:21:42
8、GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 6145-1:2003(E) OSI 3002 INTERNATIONAL STANDARD ISO 6145-1 Second edition 2003-11-15 Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 1: Methods of calibration Analyse des gaz Prparation des mlan
9、ges de gaz pour talonnage laide de mthodes volumtriques dynamiques Partie 1: Mthodes dtalonnage BS ISO 61451:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 04:21:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-5416 O1:(3002E) DPlcsid Fremia ihTs PDF file may ctnoian emdebt dedyfepcaes.
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15、:(3002E) I SO 3002 All irhgts seredevr iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Calibration methods .2 4.1 General.2 4.2 Description of primary or potentially primary measuring devices4 4.3 Measurements on the final mixture.12 5 Techn
16、iques for preparation of gas mixtures calibrated by the methods described in Clause 413 5.1 General.13 5.2 Volumetric pumps (see ISO 6145-23) 15 5.3 Continuous injection (see ISO 6145-44)15 5.4 Capillary (see ISO 6145-55).15 5.5 Critical orifices (see ISO 6145-66)16 5.6 Thermal mass flow controllers
17、 (see ISO 6145-77)16 5.7 Diffusion (see ISO 6145-88)16 5.8 Saturation (see ISO 6145-99)17 5.9 Permeation (see ISO 6145-1010).17 Annex A (normative) Volume measurement by weighing the water content.19 Annex B (informative) Description of secondary devices which need calibration against primary device
18、s.23 Bibliography .32 BS ISO 61451:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 04:21:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-5416 O1:(3002E) iv I SO 3002 All irhgts seredevr Foreword ISO (the International Organization for Standardization) is a worldwide federation of nation
19、al 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. Internatio
20、nal 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 rule
21、s 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 l
22、east 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 6145-1 was prepared by Technical Committee ISO/TC
23、158, Analysis of gases. This second edition cancels and replaces the first edition (ISO 6145-1:1986), in which the estimated uncertainties in the calibration methods and techniques have now been combined in a square-root sum-of- squares manner to form the relative combined standard uncertainty. In c
24、omparison with the previous edition the periodic injection has been deleted (limited application). ISO 6145 consists of the following parts, under the general title Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods: Part 1: Methods of calibration Part 2: Volumetri
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