BS ISO 17211-2015 Stationary source emissions Sampling and determination of selenium compounds in flue gas《固定源排放 烟气中硒化合物的取样和测定》.pdf

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1、BSI Standards PublicationBS ISO 17211:2015Stationary source emissions Sampling and determinationof selenium compounds in fluegasBS ISO 17211:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 17211:2015.The UK participation in its preparation was entrusted to

2、 TechnicalCommittee EH/2/1, Stationary source emission.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The Britis

3、h Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 76434 9ICS 13.040.40Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September

4、 2015.Amendments issued since publicationDate Text affectedBS ISO 17211:2015 ISO 2015Stationary source emissions Sampling and determination of selenium compounds in flue gasmission des sources fixes chantillonnage et dtermination des composs de slnium dans les effluents gazeuxINTERNATIONAL STANDARDI

5、SO17211First edition2015-08-15Reference numberISO 17211:2015(E)BS ISO 17211:2015ISO 17211:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized ot

6、herwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright offic

7、eCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 17211:2015ISO 17211:2015(E)Foreword vIntroduction vi1 Scope . 12 Normative references 13 Terms and definitions . 24 Symbols and abbreviated terms . 24.1 Symbols .

8、 24.2 Abbreviated terms . 45 Principle 46 Reagents 57 Apparatus . 68 Sampling 98.1 General . 98.2 Sampling position and sampling point . 98.3 Minimum sampling duration and minimum sample volume . 98.4 Other measurements to be made prior to sampling 98.4.1 Volumetric gas flow through duct at the samp

9、ling plane . 98.4.2 Moisture content of gas 98.4.3 Oxygen content of gas .108.5 Assembly of sampling apparatus . 108.6 Sampling 108.7 Checking for leaks . 108.8 Quality assurance. 108.9 Sample recovery . 118.9.1 Sample recovery for gaseous selenium .118.9.2 Sample recovery for particulate selenium 1

10、18.10 Field blank . 119 Sample preparation 129.1 General 129.2 Sample preparation for analysis with hydride generation 129.2.1 Sample preparation for gaseous selenium analysis .129.2.2 Sample preparation for particulate selenium analysis 129.3 Sample preparation for analysis without hydride generati

11、on 129.3.1 Sample preparation for gaseous selenium analysis .129.3.2 Sample preparation for particulate selenium analysis 1210 Analytical procedure .1311 Expression of results .1311.1 Calculation of the volume of dry flue gas sampled at sampling conditions, Vm.1311.2 Calculation of the volume of dry

12、 flue gas sample normalized to standard temperature and pressure, Vd.1411.3 Mass concentration of selenium expressed as elemental selenium in the flue gas on a dry basis at STP, Se,dry1411.4 Mass concentration of selenium expressed as elemental selenium in the flue gas on a dry basis at STP and refe

13、rence oxygen volume fraction, Se,dry,O.1611.5 Rate of mass discharge of selenium expressed as elemental selenium, qm,Se1711.6 Mass concentration of selenium expressed as elemental selenium in the flue gas on a wet basis at STP, Se,wet.1711.7 Mass concentration of selenium expressed as elemental sele

14、nium in the flue gas on a wet basis at STP and reference oxygen concentration, Se,wet,O17 ISO 2015 All rights reserved iiiContents PageBS ISO 17211:2015ISO 17211:2015(E)12 Performance characteristics .1812.1 Detection limits . 1812.2 Evaluation of measurement uncertainty . 1813 Test report 18Annex A

15、 (informative) Results of evaluation of measurement uncertainties.20iv ISO 2015 All rights reservedBS ISO 17211:2015ISO 17211:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Inte

16、rnational 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 wi

17、th ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives

18、, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of

19、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. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations

20、 received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISO

21、s adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 146, Air quality, Subcommittee SC 1, Stationary source emissions. ISO 2015 All rights reserved vBS ISO 17211:201

22、5ISO 17211:2015(E)IntroductionSince it is estimated that selenium is exhausted from stationary sources like coal combustion plants, the investigation of the emission amounts of selenium from the stationary source is increasingly important for preventing a potential risk.This International Standard d

23、escribes a method for the sampling and determination of selenium compounds in a flue gas passing through ducts or chimneys. Selenium compounds generally exist both in vapour phase and in solid phase in flue gases, this method allows the determination of both gaseous and particulate selenium concentr

24、ations in flue gases.vi ISO 2015 All rights reservedBS ISO 17211:2015Stationary source emissions Sampling and determination of selenium compounds in flue gas1 ScopeThis International Standard describes the method for the sampling and determination of selenium compounds in both vapour phase and solid

25、 phase that are entrained in flue gases carried in stacks or ducts. The selenium content in flue gas is expressed as a mass concentration of elemental selenium in the stack gas.Particulate and gaseous selenium compounds are captured by a filter and an absorber solution, respectively. The total conce

26、ntration of selenium compounds in flue gas is expressed as the sum of both concentrations.The concentrations of selenium in both samples are determined using inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS) or graphite furnace

27、atomic absorption spectrometry (GFAAS). Hydride generation (HG) techniques coupled to atomic spectrometry can also be used such as HG-AAS, HG-AFS (atomic fluorescence spectrometry), HG-ICP-OES and HG-ICP-MS.The detection limit for gaseous selenium compounds is 0,3 g/m3using HG-ICP-MS at a sampling v

28、olume of 0,12 m3. The detection limit for particulate selenium compounds is 0,001 2 g/m3using this technique at a sampling volume of 2,0 m3.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For d

29、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 3696, Water for analytical laboratory use Specification and test methodsISO 9096, Stationary source emissions Manual determination of mass con

30、centration of particulate matterISO 10396, Stationary source emissions Sampling for the automated determination of gas emission concentrations for permanently-installed monitoring systemsISO 11885, Water quality Determination of selected elements by inductively coupled plasma optical emission spectr

31、ometry (ICP-OES)ISO 12141, Stationary source emissions Determination of mass concentration of particulate matter (dust) at low concentrations Manual gravimetric methodISO 15586, Water quality Determination of trace elements using atomic absorption spectrometry with graphite furnaceISO 16911-1, Stati

32、onary source emissions Manual and automatic determination of velocity and volume flow rate in ducts Part 1: Manual reference methodISO 17294-1, Water quality Application of inductively coupled plasma mass spectrometry (ICP-MS) Part 1: General guidelinesISO 17294-2, Water quality Application of induc

33、tively coupled plasma mass spectrometry (ICP-MS) Part 2: Determination of 62 elementsINTERNATIONAL STANDARD ISO 17211:2015(E) ISO 2015 All rights reserved 1BS ISO 17211:2015ISO 17211:2015(E)ISO/TS 17379-1, Water quality Determination of selenium Part 1: Method using hydride generation atomic fluores

34、cence spectrometry (HG-AFS)ISO/TS 17379-2, Water quality Determination of selenium Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)ISO 20988, Air quality Guidelines for estimating measurement uncertaintyISO 23210:2009, Stationary source emissions Determination of PM10/

35、PM2,5 mass concentration in flue gas Measurement at low concentrations by use of impactorsISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)3 Terms and definitionsFor the purposes of this document, the following terms and definitio

36、ns apply.3.1gaseous selenium compoundsselenium compounds passing through a filter having at least 99,5 % collection efficiency for 0,3 m diameter particles3.2isokinetic samplingsampling at a flow rate such that the velocity and direction of the gas entering the sampling nozzle are the same as those

37、of the gas in the duct at the sampling point3.3particulate selenium compoundsselenium compounds contained in a solid phase particle collected by a filter having at least 99,5 % collection efficiency for 0,3 m diameter particles3.4sampling pointspecific position on the sampling section at which a sam

38、ple is extracted3.5STPstandard conditions for temperature, 273,15 K, and pressure, 101,325 kPa4 Symbols and abbreviated terms4.1 SymbolsCA1,Seconcentration of selenium in prepared sample of the first and second absorber solutions (g/ml)CA2,Seconcentration of selenium in prepared sample of the third

39、absorber solution (g/ml)CR,Seconcentration of selenium in prepared sample of rinse solution that washed transfer line from the filter housing to the first impinger nozzle in main-stream sampling (g/ml)CR1,Seconcentration of selenium in prepared sample of rinse solution that washed transfer line from

40、 the filter housing to the T-piece in side-stream sampling (g/ml)CR2,Seconcentration of selenium in prepared sample of rinse solution that washed transfer line after the T-piece to the first impinger nozzle in side-stream sampling (g/ml)2 ISO 2015 All rights reservedBS ISO 17211:2015ISO 17211:2015(E

41、)CS,Seconcentration of selenium in prepared sample solution for particulate selenium analysis (g/ml)d density of reagent solution (g/ml)patmatmospheric pressure (kPa)pavaverage pressure difference between the sample gas before the gas meter and the atmos-phere (kPa)qm,Serate of mass discharge of sel

42、enium expressed as elemental selenium (mg/s)qV,fg,ivolume flow rate of flue gas through the sampling plane at conditions i of temperature, pressure, moisture and oxygen content (m3/s)Tavaverage temperature of the sample gas before the gas meter (K)u(y) standard uncertainty (g/m3)Vdvolume of dry flue

43、 gas sample normalized to STP (m3)Vffinal gas meter reading at the end of sampling (m3)VG,dvolume of dry flue gas sample for gaseous selenium analysis normalized to STP (m3)Viinitial gas meter reading at the beginning of sampling (m3)Vlvolume of air drawn through the gas meter during any intermediat

44、e leak tests (m3)Vmvolume of dry flue gas sample (m3)Vmain,dvolume of dry flue gas sample in main stream, normalized to STP, in side-stream sampling (m3)VS,dvolume of dry flue gas sample for particulate selenium analysis normalized to STP (m3)Vside,dvolume of dry flue gas sampled in side stream, nor

45、malized to STP, in side-stream sampling (m3)vA1volume of recovered sample of the first and second absorber solutions (ml)vA2volume of recovered sample of the third absorber solution (ml)vRvolume of recovered sample of rinse solution that washed transfer line from the filter housing to the first impi

46、nger nozzle in main-stream sampling (ml)vR1volume of recovered sample of rinse solution that washed transfer line from the filter housing to the T-piece in side-stream sampling (ml)vR2volume of recovered sample of rinse solution that washed transfer line after the T-piece to the first impinger nozzl

47、e in side-stream sampling (ml)vSvolume of prepared sample solution for particulate selenium analysis (ml)wWaverage moisture content of the flue gas at the sampling plane during the sampling period (%)y1,jj th concentration value of the first measuring system (g/m3)y2,jj th concentration value of the

48、 second measuring system (g/m3) ISO 2015 All rights reserved 3BS ISO 17211:2015ISO 17211:2015(E)G,Se,drymass concentration of gaseous selenium expressed as elemental selenium in the flue gas on a dry basis at STP (g/m3)S,Se,drymass concentration of particulate selenium expressed as elemental seleniu

49、m in the flue gas on a dry basis at STP (g/m3)Se,drymass concentration of total selenium expressed as elemental selenium in the flue gas on a dry basis at STP (g/m3)Se,dry,Omass concentration of selenium expressed as elemental selenium in the flue gas on a dry basis at STP and reference oxygen concentration (g/m3)Se,imass concentration of selenium expressed as elemental selenium at conditions i of tem-perature, pressure, oxygen and moisture conditions (g/m3)Se,wetmass concentr

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