ISO/TS TECHNICAL SPECIFICATION 11888 Secondedition 2017-07 Nanotechnologies Characterization of multiwall carbon nanotubes Mesoscopic shape factors Nanotechnologies - Caractérisation des nanotubes en carbone multicouches -Facteurs de forme mésoscopique Reference number IS0/TS 11888:2017(E) International Organization for Standardization @ IS0 2017 ee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 mitted without license from IHS IS0/TS 11888:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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 written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internationai ibrg DrganizationforStandardization nsee-ZHEJIANG INSTOF STANDARDIZoISQ7 - All rights reserved Not for Resale, 2017/9/11 05:24:22 networking permited withoutlicense from IHS IS0/TS 11888:2017(E) Contents Page Foreword ..iv Introduction. .V 1 Scope. .1 2 Normative references ..1 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions .1 3.2 Abbreviated terms.. ..3 4 Sample preparation methods .3 4.1 Ball mill cutting. .3 4.2 Dispersion method .3 4.3 Sample preparation for SEM 3 4.4 Alternative sample preparation method 3 5 Experimental procedure .4 5.1 Measurements of the SBPL using SEM .4 5.1.1 SEM .4 5.1.2 Measurement methods for the SBPL 4 5.2 Measuring inner and outer diameters of MWCNTs using TEM .5 6 Test report ..5 Annex A (normative) Formulae for terms and definitions in Clause 2, Annex B, Annex C and Annex D .6 Annex B (informative) Viscometry .11 Annex C (informative) Dynamic light scattering and depolarized dynamic light scattering ..12 Annex D (informative) Case study and reports ..14 Bibliography .18 ii nSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 thout license from IHS