ISO-3170-2004.pdf
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1、 Reference number ISO 3170:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 3170 Third edition 2004-02-01 Petroleum liquids Manual sampling Produits ptroliers liquides chantillonnage manuel Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employ
2、ees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 03:29:59 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 3170:2004(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed
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5、 use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
6、electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright
7、iso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 03:29:59 MDTNo reproduction or networking p
8、ermitted without license from IHS -,-,- ISO 3170:2004(E) ISO 2004 All rights reserved iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Principles.6 5 Apparatus.7 5.1 General.7 5.2 Tank samplers.8 5.3 Drum and can samplers .22 5.4 Pipeline sam
9、plers24 5.5 Sample receivers, vessels and containers.25 5.6 Container closures27 5.7 Sample coolers27 6 Safety precautions27 7 Procedures for homogeneous petroleum liquids27 7.1 Introduction .27 7.2 Precautions28 7.3 Tank sampling.30 7.4 Pipeline sampling36 7.5 Dispenser (nozzle) sampling40 8 Proced
10、ures for crude oils and other non-homogeneous petroleum liquids41 8.1 General.41 8.2 Procedures 41 9 Sample handling .43 9.1 General.43 9.2 Homogenization of samples 43 9.3 Verification of mixing efficiency45 9.4 Transfer of samples47 10 Sampling of tank residues/deposits .47 11 Package sampling.47
11、11.1 Statistical aspects of sampling packages47 11.2 Procedures for sampling packages 49 Annex A (informative) Guidance on safety precautions.52 Bibliography .55 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wi
12、ng, Bernie Not for Resale, 04/05/2007 03:29:59 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 3170:2004(E) iv ISO 2004 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO memb
13、er bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, government
14、al and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Direct
15、ives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodie
16、s casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 3170 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubr
17、icants, Subcommittee SC 3, Static petroleum measurement. This third edition cancels and replaces the second edition (ISO 3170:1988), which has been technically revised. The principal technical changes include the addition of procedures for tank sampling under restricted and closed system conditions,
18、 and procedures for the taking of manual spot samples from pipelines containing high vapour pressure liquids. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 03:29:59 MDTNo
19、 reproduction or networking permitted without license from IHS -,-,- ISO 3170:2004(E) ISO 2004 All rights reserved v Introduction This International Standard may be applied in combination with ISO 3171. The purpose of this International Standard is to standardize conditions for obtaining a sample of
20、 liquid/semi- liquid hydrocarbons from a tank, drum or pipeline by manual means. If the hydrocarbon to be sampled is of non-homogeneous character showing significant variations in composition or containing sediments and water, samples taken manually should not be expected to be representative, but m
21、ay enable the degree of non- homogeneity to be assessed and estimates of quality and quantity to be made. Procedures are specified which minimize or eliminate losses of light ends from samples. Such losses can occur during handling or transfer of samples, thereby making them non-representative of th
22、e bulk. The procedures specified are intended to provide samples for the following purposes: a) the determination of the liquid/hydrocarbon quality; b) the determination of the water content; c) the determination of other contaminants that are not considered to be part of the liquid transferred. If
23、the sampling conditions for purposes a), b) and c) are in conflict, separate samples are required. Sampling procedures for tank contents that are not homogeneous are specified that enable the degree of non- homogeneity to be assessed and estimates of quality and quantity to be made. Procedures for t
24、he tank sampling of liquid hydrocarbons under inert gas pressure are included, together with techniques for sampling from tanks which are equipped with vapour emission control systems. It is recognized that, in many countries, some or all of the items covered by this International Standard are the s
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