ISO INTERNATIONAL STANDARD 10301 First edition 1997-04-15 Water quality Determination of highly volatile halogenated hydrocarbons Gas-chromatographic methods Qualite de I'eau --- Dosage des hydrocarbures halogenes hautement volatils - Methodesparchromatographie en phase gazeuse This material is reproduced from Iso documents under International Organization for Standardization (isO) Copyright License number IHS/ICC/1996. Not for resale. No part of these Iso documents may be reproduced in any form, electronic retrieval system or otherwise, except written consent of Iso (Case postale 56, 1211 Geneva 20, Switzerland, Fax +41227341079),tHSortheISOLicensor'smembers. ISo Reference number ISO10301:1997(E) CopyrightInternational Organization for Standardization No reproduction or hetworking permitted without license from IHS Not for Resale ISO 10301:1997(E) Contents SECTION 1: General 1 1.1 Scope 1 1.2 Normative references 2 1.3 Definition 3 SECTION 2: Liquid/liquid extraction and analysis by gas chromatography 4 2.1 Principle 4 2.2 Interferences 4 2.3 Reagents 4 2.4 Apparatus 6 2.5 Sampling and sample preparation 8 2.6 Procedure 8 2.7 Calibration 11 2.8 ldentification and evaluation 16 2.9 Expression of results 18 2.10 Precision data 19 2.11 Test report 21 C ISO1997 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanicat, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56:CH-1211Geneve 20 Switzerland Internet [email protected] X.400 C=ch; a=400net; p=iso; 0=isocs; S=central Printed in Switzerland ii Copyright International Organization for Standardization on or networking pemited without license from IHS Not for Resale @ISO ISO10301:1997(E) SEcTION 3: Static headspace method and analysis by gas chromatography 22 3.1 Principle 22 3.2 Interferences 22 3.3 Reagents 22 3.4 Apparatus 22 3.5 Sampling 23 3.6 Procedure 24 3.7 Calibration 26 3.8 ldentification and evaluation 29 3.9 Expression of results 31 3.10 Precision data 31 3.11 Test report 33 Annex A (informative) Characteristics of highly volatile halogenated hydrocarbons 34 Annex B (informative) Examples of gas chromatograms for highly volatile halogenated hydrocarbons 41 Annex C (informative) Example of a microseparator 45 Annex D (informative) Sensitivity of electron-capture detector 46 Annex E (informative) Extraction recovery with pentane 47 Annex F (informative) Qualitative method for testing the quality of "penicillin type"stoppers 48 Annex G (informative) Collection of samples 49 e from IHS