ISO 6976

INTERNATIONAL STANDARD ISO 6976:1995TECHNICAL CORRIGENDUM 3 Published 1999-08-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION · МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ · ORGANISATION INTERNATIONALE DE NORMALISATION Natural gas — Calculation of calorific values, density, relative density and Wobbe index from composition TECHNICAL CORRIGENDUM 3 Gaz naturel — Calcul du pouvoir calorifique, de la masse volumique, de la densité relative et de l'indice de Wobbe à partir de la composition RECTIFICATIF TECHNIQUE 3 Technical Corrigendum 3 to International Standard ISO 6976:1995 was prepared by Technical Committee ISO/TC 193, Natural gas, Subcommittee SC 1, Analysis of natural gas. Page ii 9 Accuracy Replace the page number "6" with page number "7". 9.1 Precision Replace the page number "6" with page number "7". Page 24 Annex D, D.5.4.3 Wobbe index Replace the value "0,001 3 MJ×m-3" with "0,013 MJ×m-3" in the third line of the equation giving the repeatability of the ideal Wobbe index. ICS 75.060 © ISO 1999 – All rights reserved Printed in Switzerland Ref. No. ISO 6976:1995/Cor.3:1999(E) ISO 6976:1995/Cor.3:1999(E) Page 39 Annex J, table J.3 In the last column of the row designated by “a)”, replace the metering temperature “15” by “0”, i.e. replace: “15 + 15” by “15 + 0”. 2 © ISO 1999 – All rights reserved STD.ISO 6976-ENGL 1995 A-PDF MERGER DEMO -- 4851903 0738194 468 INTERNATIONAL STANDARD ISO 6976:1995 TECHNICAL CORRIGENDUM 2 - ---- Published 1997-12-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. ME)I(JlYHAPOIlHAA oprAH~3AU~l! no CTAHJlAPT~3AU~~ • ORGANISATION INTERNATIONALE DE NORMALISATION Natural gas Calculation of calorific values, density, relative density and obbe index from composition TECHNICAL CORRIGENDUM 2 Gaz naturel Calcul du pouvoir calorifique, de la masse volumique, de la densite relative et de /'indice de Wobbe partir de la composition a RECTIFICATIF TECHNIQUE 2 Technical Corrigendum 2 to International Standard ISO 6976:1995 was prepared by Technical Committee Isorrc 193, Natural gas, Subcommittee SC 1, Analysis of natural gas. NOTE Technical Corrigendum 1, published on 1997-05-15, applies to the French-language edition only. This material is reproduced from ISO documents under International Organization for Standardization (ISO) Copyright License number IHSIICC/1996. Not.for re~ale. No part of these ISO documents may be reproduced in any form, electronic retrieval sr stem or otherwise except as allowed in the copyright law of the country of use, or with the prior written' consent of ISO (Case postale 56, 1211 Geneva 20, Switzerland, Fax +41 227341079), IHS or the ISO Licensor's members. Page 14 Table 5 In the last-but-one column (25/20 °c, Superior), replace the value of 95,25 given for propane (component No.3) by 92,25. ICS 75.060 Ref. No. ISO 6976:1995/Cor.2:1997(E) Descriptors: natural gas, characteristics, determination, calorific value, density (mass/volume), rules of calculation. Cl ISO 1997 Printed in Switzerland