BSISO17734-1:2013 BSI Standards Publication Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry Part 1: Isocyanates using dibutylamine derivatives bsi. ..making excellence a habit. BSISO17734-1:2013 BRITISHSTANDARD Nationalforeword ThisBritishStandard istheUKimplementationofIS017734-1:2013. It supersedes BSISO17734-1:2006 which is withdrawn. TheUk participation in its preparation was entrustedto Technical CommitteeEH/2/2,Workplaceatmospheres. Alistoforganizationsrepresentedonthiscommitteecanbe obtained on request to its secretary. This publication does not purport to include all thenecessary provisions of acontract.Usersare responsiblefor its correct application. TheBritishStandards Institution2013.PublishedbyBSIStandards Limited 2013 ISBN9780580774270 ICS13.040.30 Compliancewitha BritishStandardcannotconfer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31December2013. Amendments issuedsincepublication Date Textaffected BS ISO 17734-1:2013 INTERNATIONAL ISO STANDARD 17734-1 Secondedition 2013-12-01 Determination of organonitrogen compounds in air using liquid chromatographyandmass spectrometry- Part 1: Isocyanatesusingdibutylamine derivatives Determination des composes organiques azotesdans I'airpar chromatographieliquideetspectrometriedemasse Partie1: Isocyanates par les derives de la dibutylamine Reference number IS017734-1:2013(E) @ISO2013 BSISO17734-1:2013 IS017734-1:2013(E) COPYRIGHTPROTECTEDDOCUMENT IS02013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior writtenpermission.Permission canberequested fromeitherIsoattheaddressbeloworIso'smemberbodyinthe countryof the requester ISO copyright office Casepostale56.CH-1211Geneva20 Tel.+41227490111 Fax+41227490947 E-mail [email protected] Webwww.iso.org Published in Switzerland ii @IS0 2013-All rights reserved BSISO 17734-1:2013 IS017734-1:2013(E) Contents Page Foreword .iv Introduction .v 1 Scope 2 Normativereferences. .1 3 Principle .1 4 Reagents and materials .3 5 Preparation of standard solutions .3 5.1 Referencecompounds .3 5.2 Di-n-butylamine(DBA)derivativesofisocyanates .4 5.3 DBAderivativesofbulk isocyanates 5 5.4 DBA derivatives of isocyanates in thermal decomposition products of polyurethane (PUR) orurea-based resins. 6 5.5 Stability. .6 6 Apparatus. 6 6.2 Flowmeter. .8 6.3 Liquidchromatographicsystem .8 6.4 Ultrasonic bath. 9 Evaporator.. 9 6.5 Airsampling 7 .9 7.1 Pre-samplinglaboratorypreparation 9 7.2 Pre-samplingfieldpreparations .9 7.3 Collectionofairsamples .10 7.4 Blanks. 12 7.5 Raw material. 12 7.6 Shipmentofsamples 12 8 Laboratory samplepreparation 12 8.1 Samplesequence .12 8.2 Work-up procedure 12 9 Instrumental settings .13 9.1 HPLC program (LC-MS) 13 9.2 HPLCprogram [LC-chemiluminescentnitrogendetector(LC-CLND)] .13 9.3 Mass spectrometer 13 10 Data handling .14 10.1 Identification 14 10.2 Calibration curves 14 10.3 Quantification 14 11 Interferences .14 12 Determinationofperformancecharacteristics .14 12.1 General. .14 12.2 Relevantuncertaintycontributionsandcriteria .15 12.3 Assessment ofperformancecharacteristics (following thedetailed approach in Reference [18]] .15 AnnexA(informative)Performancecharacteristics .24 AnnexB(informative)Examples .26 AnnexC(informative)Commerciallyavailableproducts .31 Bibliography .32 IS02013-All rights reserved ii BS ISO 17734-1:2013 IS017734-1:2013(E) Foreword Iso(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandards bodies (Iso member bodies).The work of preparing International Standards is normally carried out throughIsOtechnical committees.Eachmemberbodyinterestedina subject forwhichatechnical committee has been established has the right to be represent