|
Standard
ISO 7681
First edition
Natural rubber field latex —
2024-03
Determination of dry rubber content
Latex de plantation de caoutchouc naturel — Détermination de
la teneur en caoutchouc sec
Reference number
ISO 7681:2024(en) © ISO 2024
---------------------- Page: 1 ----------------------
ISO 7681:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
© ISO 2024 – All rights reserved
ii
---------------------- Page: 2 ----------------------
ISO 7681:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Reagent . 2
7 Procedure . 2
7.1 General .2
7.2 Method A: Sheeting by hand .2
7.3 Method B: Mechanical sheeting .3
8 Expression of results . 3
9 Precision . 3
10 Test report . 3
Annex A (informative) Precision data . 5
Bibliography . 7
© ISO 2024 – All rights reserved
iii
---------------------- Page: 3 ----------------------
ISO 7681:2024(en)
Foreword
ISO (the International Organization for Standardization) is a wo
...