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1、BRITISH STANDARD BS 5579:1978 Specification for Standard reference conditions for measurement of petroleum liquids and gases UDC 665.7.001.45 Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5579:1978 This British Standard, having been pre
2、pared under the direction of the Petroleum Standards Committee, was published under the authority of the Executive Board on 31 May 1978 BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference PTC/-/1 Draft for comment 76/50850 DC ISBN 0 580 10112 6 Cooperati
3、ng organizations The Petroleum Standards Committee, under whose direction this British Standard was prepared, consists of representatives from the following Government departments and industrial organizations: British Lubricants Federation Limited Chemical Industries Association Department of Indust
4、ry National Engineering Laboratory Hydrocarbon Solvents Association Institute of Petroleum* London Transport Executive Ministry of Defence* Society of Motor Manufacturers and Traders Limited The organizations marked with an asterisk in the above list, together with the following, were directly repre
5、sented on the committee entrusted with the preparation of this British Standard: British Gas Corporation Department of Industry British Calibration Service Institution of Gas Engineers Liquefied Petroleum Gas Industry Technical Association (UK) Amendments issued since publication Amd. No.Date of iss
6、ueComments Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5579:1978 BSI 12-1999i Contents Page Cooperating organizationsInside front cover Forewordii 0Introduction1 1Scope and field of application1 2Standard reference conditions1 License
7、d Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5579:1978 ii BSI 12-1999 Foreword This British Standard has been prepared under the authority of the Petroleum Standards Committee and is related to ISO 5024:1976 “Petroleum liquids and gases Measu
8、rement Standard reference conditions”. In the United Kingdom and some other countries the standard reference conditions for the measurement of gases include a standard humidity as well as temperature and pressure, but a standard humidity is not included as a condition in certain other countries and
9、is therefore not specified in ISO 5024. However, this condition is included in this British Standard by the addition of a paragraph at the end of clause 2 to specify the humidity conditions for gas measurement. The only other differences from the text of ISO 5024 are minor editorial changes which ha
10、ve been made to align with current British Standard practice e.g.: a) the decimal comma has been replaced by the decimal point; b) the words “International Standard” have been replaced by “British Standard”. A British Standard does not purport to include all the necessary provisions of a contract. U
11、sers of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, page 1 and a back cover. This standard
12、 has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5579:1978 BSI 12-19991 0 Introductio
13、n For many years, the results of measurements carried out on most of the crude petroleum and its products involved in international trade have been corrected to atmospheric pressure and 60 F. The world-wide trend to the exclusive use of the International System (SI) of units of measurement requires
14、that pressure and temperature be expressed in such units, while at the same time perpetuating as closely as can be managed their traditional values. It is hoped that the establishment of a single uniform set of standard reference conditions will simplify the requirements of world trade and commerce.
15、 1 Scope and field of application This British Standard specifies the standard reference conditions of pressure and temperature for measurements carried out on crude petroleum and its products, both liquid and gaseous, and of humidity for gaseous products. 2 Standard reference conditions The standar
16、d reference conditions of pressure and temperature for use in measurements on crude petroleum and its products, both liquid and gaseous, shall be 101.325 kPa1) and 15 C, with the exception of liquid hydrocarbons having a vapour pressure greater than atmospheric at 15 C, in which case the standard pr
17、essure shall be equilibrium pressure at 15 C. For the purposes of this British Standard, the standard reference conditions for the measurement of gases shall also include the humidity condition “dry”, i.e. free of water vapour. This condition does not involve a requirement that the gas should in pra
18、ctice be free of water vapour when measured. 1) 101.325 kPa = 1.013 25 bar = 1 013.25 mbar = 1 atm. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 5579:1978 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI i
19、s the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make su
20、re that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee respons
21、ible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, intern
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25、el: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, s
26、tored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or
27、grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070. Licensed Copy: sheffieldun sheffieldun, na, Mon Dec 04 15:54:07 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
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