1、BSI Standards PublicationBS EN ISO 17943:2016Water quality Determinationof volatile organic compoundsin water Method usingheadspace solid- phase micro-extraction (HS-SPME) followedby gas chromatography-massspectrometry (GC-MS)BS EN ISO 17943:2016 BRITISH STANDARDNational forewordThis British Standar
2、d is the UK implementation of EN ISO17943:2016.The UK participation in its preparation was entrusted to TechnicalCommittee EH/3/2, Physical chemical and biochemical methods.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purp
3、ort to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 78728 7ICS 13.060.50Compliance with a British Standard cannot confer immunity fromlegal obligations
4、.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 17943 April 2016 ICS 13.060.50 English Version Wa
5、ter quality - Determination of volatile organic compounds in water - Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO 17943:2016) Qualit de leau - Dtermination de composs organiques volatils dans leau - Mthode utilisant une m
6、icro-extraction en phase solide (MEPS) de lespace de tte suivie dune chromatographie en phase gazeuse-spectromtrie de masse (CG-SM) (ISO 17943:2016) Wasserbeschaffenheit - Bestimmung flchtiger organischer Verbindungen in Wasser - Verfahren mittels Headspace-Festphasenmikroextraktion (HS-SPME) gefolg
7、t von der Gaschromatographie und Massenspektrometrie (GC-MS) (ISO 17943:2016) This European Standard was approved by CEN on 13 February 2016. 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 nat
8、ional standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A ve
9、rsion in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus,
10、 Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdo
11、m. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 17943
12、:2016 EBS EN ISO 17943:2016EN ISO 17943:2016 (E) 3 European foreword This document (EN ISO 17943:2016) has been prepared by Technical Committee ISO/TC 147 “Water quality” in collaboration with Technical Committee CEN/TC 230 “Water analysis” the secretariat of which is held by DIN. This European Stan
13、dard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2016, and conflicting national standards shall be withdrawn at the latest by October 2016. Attention is drawn to the possibility that some of the elements of
14、this document may be the subject of patent rights. 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 S
15、tandard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
16、 Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 17943:2016 has been approved by CEN as EN ISO 17943:2016 without any modification. BS EN ISO 17943:2016ISO 17943:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 33 Principle 34 Interferen
17、ces 44.1 Sampling . 44.2 Extraction 44.3 Gas chromatography and mass spectrometry . 55 Reagents 56 Apparatus . 77 Sampling and sample pretreatment 88 Procedure. 88.1 Sample preparation and extraction 88.2 Gas chromatography 98.3 Identification of individual compounds by means of mass spectrometry (G
18、C-MS) 98.4 Blank value measurements . 119 Calibration .119.1 General 119.2 Calibration of the total procedure using the internal standard .1210 Calculation of the results 1311 Expression of results .1312 Test report 14Annex A (informative) Examples of suitable SPME fibres .15Annex B (informative) Ex
19、amples of GC columns .16Annex C (informative) Examples of internal standards .17Annex D (informative) Suitable gas chromatographic conditions and example chromatograms for compounds of Table 1 19Annex E (informative) General information on SPME .33Annex F (informative) Performance data .34Bibliograp
20、hy .43 ISO 2016 All rights reserved iiiContents PageBS EN ISO 17943:2016ISO 17943:2016(E)ForewordISO (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
21、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 coll
22、aborates 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, Part 1. In particular the different approv
23、al 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 the elements of this document may be the sub
24、ject 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 received (see www.iso.org/patents).Any trad
25、e 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 ISOs adherence to the WTO principles in the Tec
26、hnical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 147, Water quality, Subcommittee SC 2, Physical, chemical and biochemical methods.iv ISO 2016 All rights reservedBS EN ISO 17943:2016ISO 17943:2016(E)Introd
27、uctionVolatile organic compounds (VOCs) are often found in the manufacturing processes of paints, adhesives, petroleum products, pharmaceuticals, and refrigerants. Some are used as gasoline additives, solvents, hydraulic fluids, and dry-cleaning agents. This group of compounds belongs to the group o
28、f anthropogenic chemicals. VOC contamination of water resources is a human-health concern because many are toxic and are known or suspected human carcinogens.For the determination of VOCs, several published procedures are available (see References 4,5,6,7,9,12,13, and 14). ISO 2016 All rights reserv
29、ed vBS EN ISO 17943:2016BS EN ISO 17943:2016Water quality Determination of volatile organic compounds in water Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS)WARNING Persons using this International Standard should be familiar wi
30、th normal laboratory practice. This International Standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditio
31、ns.IMPORTANT It is absolutely essential that tests conducted in accordance with this International Standard be carried out by suitably qualified staff.1 ScopeThis International Standard specifies a method for the determination of volatile organic compounds (see Table 1). This comprises, for example,
32、 halogenated hydrocarbons, trihalogenated methanes, gasoline components (such as BTEX, MTBE, and ETBE), naphthalene, 2-ethyl-4-methyl-1,3-dioxolane, and highly odorous substances like geosmin and 2-methylisoborneol in drinking water, ground water, surface water, and treated waste water, by means of
33、headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS). The limit of determination depends on the matrix, on the specific compound to be analysed, and on the sensitivity of the mass spectrometer. For most compounds to which this International Standa
34、rd applies, it is at least 0,01 g/l. Validation data related to a concentration range between 0,02 g/l and 2,6 g/l have been demonstrated in an interlaboratory trial. Additional validation data derived from standardization work show applicability of the method within a concentration range from 0,01
35、g/l to 100 g/l of individual substances. All determinations are performed on small sample amounts (e.g. sample volumes of 10 ml).This method may be applicable to other compounds not explicitly covered by this International Standard or to other types of water. However, it is necessary to demonstrate
36、the applicability for each case.Table 1 Volatile organic compounds determinable by this methodName Molecular formula CAS registry no.dMolar mass g/molDensity kg/ltert-amyl methyl ether (TAME) C6H14O 994058 102,17 0,76benzene C6H671432 78,12 0,88bromobenzene C6H5Br 108861 157,01 1,50bromochloromethan
37、e CH2BrCl 74975 129,38 1,99bromodichloromethane CHBrCl275274 163,83 1,98n-butylbenzene C10H14104518 134,22 0,86sec-butylbenzene C10H14135988 134,22 0,86tert-butylbenzene C10H1498066 134,22 0,87chlorobenzene C6H5Cl 108907 112,56 1,11aSignals of substances may overlap in chromatograms as they might co
38、-elute.bDensity of liquid at boiling point (13,4 C)cRefer to Tables F.1 and F.2 for validation data and additional information.dCAS: Chemical Abstracts Service.INTERNATIONAL STANDARD ISO 17943:2016(E) ISO 2016 All rights reserved 1BS EN ISO 17943:2016ISO 17943:2016(E)Name Molecular formula CAS regis
39、try no.dMolar mass g/molDensity kg/l2-chlorotoluene C7H7Cl 95498 126,59 1,084-chlorotoluene C7H7Cl 106434 126,59 1,07dibromochloromethane CHBr2Cl 124481 208,34 2,451,2-dibromo-3-chloropropane (DBCP) C3H5Br2Cl 96128 236,33 2,031,2-dibromoethane C2H4Br2106934 187, 86 2,18dibromomethane CH2Br274953 173
40、,83 2,481,2-dichlorobenzene C6H4Cl295501 147,00 1,301,3-dichlorobenzene C6H4Cl2541731 147,00 1,291,4-dichlorobenzene C6H4Cl2106467 147,00 1,251,1-dichloroethane C2H4Cl275343 98,96 1,201,2-dichloroethane C2H4Cl2107062 98,96 1,251,1-dichloroethene C2H2Cl275354 96,95 1,21cis-1,2-dichloroethene C2H2Cl21
41、56592 96,94 1,28trans-1,2-dichloroethene C2H2Cl2156605 96,94 1,26dichloromethane CH2Cl275092 84,93 1,331,2-dichloropropane C3H6Cl278875 112,99 1,161,3-dichloropropane C3H6Cl2142289 112,99 1,192,2-dichloropropanecC3H6Cl2594207 112,99 1,081,1-dichloropropene C3H4Cl2563586 110,97 1,19cis -1,3-dichlorop
42、ropenecC3H4Cl210061015 110,97 1,23trans-1,3-dichloropropenecC3H4Cl210061026 110,97 1,21ethylbenzene C8H10100414 106,17 0,86ethyl tert-butyl ether (ETBE) C6H14O 637923 102,17 0,732-ethyl-4-methyl-1,3-dioxolane C6H12O24359460 116,16 0,902-ethyl-5,5-dimethyl-1,3-dioxane C8H16O2768581 144,21 0,88geosmin
43、 C12H22O 16423191 182,30 0,99hexachlorobutadiene C4Cl687683 260,76 1,67isopropylbenzene (cumene) C9H1298828 120,19 0,864-isopropyltoluene (p-cymene) C10H1499876 134,21 0,862-methylisoborneol C11H20O 2371428 168,28 0,97methyl tert-butyl ether (MTBE) C5H12O 1634044 88,15 0,74naphthalene C10H891203 128
44、,17 1,14n-propylbenzene C9H12103651 120,19 0,86styrene C8H8100425 104,15 0,911,1,1,2-tetrachloroethane C2H2Cl4630206 167, 85 1,551,1,2,2-tetrachloroethane C2H2Cl479345 167, 85 1,59tetrachloroethene C2Cl4127184 165,83 1,62tetrachloromethane CCl456235 153,82 1,59toluene C7H8108883 92,14 0,87aSignals o
45、f substances may overlap in chromatograms as they might co-elute.bDensity of liquid at boiling point (13,4 C)cRefer to Tables F.1 and F.2 for validation data and additional information.dCAS: Chemical Abstracts Service.Table 1 (continued)2 ISO 2016 All rights reservedBS EN ISO 17943:2016ISO 17943:201
46、6(E)Name Molecular formula CAS registry no.dMolar mass g/molDensity kg/ltribromomethane (bromoform) CHBr375252 252,75 2,891,2,3-trichlorobenzene C6H3Cl387616 181,45 1,681,2,4-trichlorobenzene C6H3Cl3120821 181,45 1,451,3,5-trichlorobenzene C6H3Cl3108703 181,45 1,871,1,1-trichloroethane C2H3Cl371556
47、133,40 1,341,1,2-trichloroethane C2H3Cl379005 133,40 1,44trichloroethene C2HCl379016 131,39 1,46trichloromethane (chloroform) CHCl367663 119,38 1,471,2,3-trichloropropane C3H5Cl396184 147,43 1,381,2,4-trimethylbenzene (pseudocumene)C9H1295636 120,19 0,881,3,5-trimethylbenzene (mesitylene) C9H1210867
48、8 120,19 0,86vinyl chloride C2H3Cl 75014 62,5 1,88bm-xyleneaC8H10108383 106,17 0,86o-xylene C8H1095476 106,17 0,88p-xyleneaC8H10106423 106,17 0,86aSignals of substances may overlap in chromatograms as they might co-elute.bDensity of liquid at boiling point (13,4 C)cRefer to Tables F.1 and F.2 for va
49、lidation data and additional information.dCAS: Chemical Abstracts Service.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 3
