BS EN ISO 25140-2010 Stationary source emissions Automatic method for the determination of the methane concentration using flame ionisation detection (FID)《固定污染源排放 利用火焰离子化检测器(FID)测.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 25140:2010Stationary source emissions Automatic method for thedetermination of the methaneconcentration using flameionisation detection (FID) (ISO25140:2010)BS EN ISO 2

2、5140:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO25140:2010.The UK participation in its preparation was entrusted to TechnicalCommittee EH/2/1, Stationary source emission.A list of organizations represented on this committee can beobtained on request

3、 to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 56160 3ICS 13.040.40Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard

4、 was published under the authority of theStandards Policy and Strategy Committee on 31 August 2010.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 25140 August 2010 ICS 13.040.40 English Version Stationary source emissions - Automatic met

5、hod for the determination of the methane concentration using flame ionisation detection (FID) (ISO 25140:2010) missions de sources fixes - Mthode automatique pour la dtermination de la concentration en mthane par dtection ionisation de flamme (FID) (ISO 25140:2010) Emissionen aus stationren Quellen

6、- Automatisches Verfahren zur Bestimmung der Methan-Konzentration mit dem Flammenionisationsdetektor (FID) (ISO 25140:2010)This European Standard was approved by CEN on 26 May 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving th

7、is 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 CEN Management Centre or to any CEN member. This European Standard exists in three official versions

8、 (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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bu

9、lgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE F

10、OR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 25140:2010: EBS EN ISO 25140:2010EN ISO

11、25140:2010 (E) 3 Foreword This document (EN ISO 25140:2010) has been prepared by Technical Committee ISO/TC 146 “Air quality” in collaboration with Technical Committee CEN/TC 264 “Air quality” the secretariat of which is held by DIN. This European Standard shall be given the status of a national sta

12、ndard, either by publication of an identical text or by endorsement, at the latest by February 2011, and conflicting national standards shall be withdrawn at the latest by February 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rig

13、hts. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

14、Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of IS

15、O 25140:2010 has been approved by CEN as a EN ISO 25140:2010 without any modification. BS EN ISO 25140:2010ISO 25140:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Symbols and abbreviated terms 5 5 Appara

16、tus and principles of operation .6 6 Performance criteria and determination of the performance characteristics.9 7 Measurement procedure.11 8 Quality assurance and quality control procedures .13 9 Test report17 Annex A (normative) Operational gases 19 Annex B (normative) Determination of the perform

17、ance characteristics of an FID to be applied in the ongoing quality control (QA/QC) procedures 21 Annex C (normative) Safety measures .27 Annex D (informative) Results of comparison tests28 Bibliography31 BS EN ISO 25140:2010ISO 25140:2010(E) iv ISO 2010 All rights reservedForeword ISO (the Internat

18、ional 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 bee

19、n 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 stand

20、ardization. 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

21、 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

22、 such patent rights. ISO 25140 was prepared by Technical Committee ISO/TC 146, Air quality, Subcommittee SC 1, Stationary source emissions. BS EN ISO 25140:2010ISO 25140:2010(E) ISO 2010 All rights reserved vIntroduction Methane (CH4) is a gas of relevance to the climate (greenhouse gas) and contrib

23、utes directly to the atmospheric greenhouse effect. The emissions of methane originate from natural and anthropogenic sources. Significant sources are, for example, cattle breeding, cultivation of rice, extraction and transport of natural gas, and landfills. Other important sources contributing to e

24、missions of methane are, for example, composting plants, the use of biogas and natural gas, and biomass firings. This International Standard specifies a method of measurement for the determination of methane emissions from stationary sources. BS EN ISO 25140:2010BS EN ISO 25140:2010INTERNATIONAL STA

25、NDARD ISO 25140:2010(E) ISO 2010 All rights reserved 1Stationary source emissions Automatic method for the determination of the methane concentration using flame ionisation detection (FID) 1 Scope This International Standard specifies the principle, the essential performance criteria, and quality as

26、surance and quality control procedures for an automatic method for measuring methane in the waste gas of stationary sources using flame ionisation detection. It is applicable to measurements of methane in dry or wet waste gases. The method allows continuous monitoring with permanently installed meas

27、uring systems as well as intermittent measurements of methane emissions. NOTE 1 This International Standard is specific to automatic methods for measuring methane in the waste gas of stationary sources using flame ionisation detection. It supplements the general requirements of other international o

28、r national standards on performance testing, QA/QC procedures, and the test report as specified, for example, in EN 15267-37, EN 141815, and EN 152596. This International Standard does not specify an independent method of measurement. NOTE 2 An independent method of measurement, e.g. to calibrate or

29、 validate permanently installed measuring systems, is specified in ISO 251393. NOTE 3 In EN 141815, “independent method of measurement” is called “standard reference method (SRM)”. 2 Normative references The following referenced documents are indispensable for the application of this document. For d

30、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 9169:2006, Air quality Definition and determination of performance characteristics of an automatic measuring system ISO 14956, Air quality Ev

31、aluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty ISO 20988, Air quality Guidelines to estimating measurement uncertainty 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 automatic mea

32、suring system AMS air quality measuring system interacting with the waste gas under investigation, returning an output signal proportional to the physical unit of the measurand in unattended operation NOTE 1 Adapted from ISO 9169:2006, 2.1.2. BS EN ISO 25140:2010ISO 25140:2010(E) 2 ISO 2010 All righ

33、ts reservedNOTE 2 In the sense of this document, an AMS is a system that can be attached to a duct to continuously or intermittently measure and record the mass concentrations of methane passing through the duct. 3.2 analyser stationary source emissions analytical part in an extractive or in situ au

34、tomatic measuring system NOTE Adapted from ISO 12039:20012, 3.3. 3.3 measurand particular quantity subject to measurement ISO/IEC Guide 98-3:20084, B.2.9 EXAMPLE The mass concentration of methane in air. 3.4 mass concentration stationary source emissions concentration of a substance in an emitted wa

35、ste gas expressed as mass per volume ISO 12039:20012, 3.10 NOTE Mass concentration is often expressed in milligrams per cubic metre. 3.5 independent reading stationary source emissions reading that is not influenced by a previous individual reading by separating two individual readings by at least f

36、our response times 3.6 individual reading stationary source emissions reading averaged over a time period equal to the response time of the automatic measuring system 3.7 interferent interfering substance air quality substance present in the air mass under investigation, other than the measurand, th

37、at affects the response ISO 9169:2006, 2.1.12 3.8 adjustment automatic measuring system operation of bringing an automatic measuring system into a state of performance suitable for its use NOTE Adjustment can be automatic, semi-automatic or manual. ISO 9169:2006, 2.1.5 3.9 calibration stationary sou

38、rce emissions procedure for establishing the statistical relationship between values of the measurand indicated by the automatic measuring system and the corresponding values given by an independent method of measurement implemented simultaneously at the same measuring point BS EN ISO 25140:2010ISO

39、25140:2010(E) ISO 2010 All rights reserved 3NOTE 1 An independent method of measurement for the purpose of calibration of permanently installed methane measuring systems is specified in ISO 251393. NOTE 2 In EN 141815, “independent method of measurement” is called “standard reference method (SRM)”.

40、3.10 interference air quality negative or positive effect upon the response of the measuring system, due to a component of the sample that is not the measurand 3.11 zero gas stationary source emissions gas or gas mixture used to establish the zero point on a calibration curve within a given concentr

41、ation range ISO 12039:20012, 3.4.2 3.12 span gas gas or gas mixture used to adjust and check a specific point on a calibration curve NOTE Adapted from ISO 12039:20012, 3.4.1. 3.13 reference gas stationary source emissions gas of known, reliable and stable composition that may be used to check the re

42、sponse of an automatic measuring system and to calibrate the automatic measuring system 3.14 zero point stationary source emissions specified value of the output quantity (measured signal) of the automatic measuring system and which, in the absence of the measured component, represents the zero cros

43、sing of the calibration line 3.15 span point value of the output quantity (measured signal) of the automatic measuring system for the purpose of calibration or adjustment that represents a correct measured value generated by a reference material NOTE This concentration is often chosen to be around 8

44、0 % of the upper limit of the measuring range or around the emission limit value. 3.16 performance characteristic air quality one of the quantities assigned to equipment in order to define its performance NOTE Performance characteristics can be described by values, tolerances or ranges. 3.17 respons

45、e time air quality time interval between the instant when a stimulus is subjected to a specified abrupt change and the instant when the response reaches and remains within specified limits around its final stable value, determined as the sum of the lag time and the rise time in the rising mode, and

46、the sum of the lag time and the fall time in the falling mode ISO 9169:2006, 2.2.4 BS EN ISO 25140:2010ISO 25140:2010(E) 4 ISO 2010 All rights reserved3.18 lag time air quality by convention, time taken for the output signal to reach 10 % of the final change in the output signal when a step function

47、 is applied by applying a reference material to the automatic measuring system initially in the basic state ISO 9169:2006, 2.2.2 3.19 rise time air quality by convention, time taken for the output signal to pass from 10 % to 90 % of the final change in the output signal when a reference material is

48、abruptly applied to the automatic measuring system initially in the basic state NOTE For instruments where transient oscillations occur in the approach to the final output signal, 90 % of the final change is considered as reached when the oscillations fall to less than 10 % of the final change in th

49、e output signal. ISO 9169:2006, 2.2.3 3.20 fall time air quality by convention, time taken for the output signal to pass from 90 % to 10 % of the initial output signal produced by a reference material applied to the automatic measuring system, when the application of this reference material is abruptly terminated to put the automatic measuring system in the basic state NOTE For instruments where transient oscillations occur in the approach to the final output signal

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