ISO-15859-11-2004.pdf
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1、 Reference number ISO 15859-11:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 15859-11 First edition 2004-06-01 Space systems Fluid characteristics, sampling and test methods Part 11: Ammonia Systmes spatiaux Caractristiques, chantillonnage et mthodes dessai des fluides Partie 11: Ammoniac ISO 15859-11
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5、w. 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, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body i
6、n 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 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved ISO 15859-11:2004(E) ISO 2004 All rights reserved iii Foreword ISO (the
7、 International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member 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 committe
8、e has been established has the right to be represented on that committee. International organizations, governmental 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 electrotechni
9、cal standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, 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 b
10、odies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies 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 a
11、ny or all such patent rights. ISO 15859-11 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 14, Space systems and operations. ISO 15859 consists of the following parts, under the general title Space systems Fluid characteristics, sampling and test methods:
12、Part 1: Oxygen Part 2: Hydrogen Part 3: Nitrogen Part 4: Helium Part 5: Nitrogen tetroxide propellants Part 6: Monomethylhydrazine propellant Part 7: Hydrazine propellant Part 8: Kerosine propellant Part 9: Argon Part 10: Water Part 11: Ammonia Part 12: Carbon dioxide Part 13: Breathing air -,-,- IS
13、O 15859-11:2004(E) iv ISO 2004 All rights reserved Introduction Fluid operations at a spaceport or launch site may involve a number of operators and supplier/customer interfaces, from the fluid production plant to the delivery to the launch vehicle or spacecraft. The purpose of ISO 15859 is to estab
14、lish uniform requirements for the components, sampling and test methods of fluids used in the servicing of launch vehicles, spacecraft and ground support equipment. The fluid composition limits specified are intended to define the purity and impurity limits of the fluid for loading into the launch v
15、ehicle or spacecraft. The fluid sampling and test methods are intended to be applied by any operator. The fluid sampling and test methods are acceptable methods for verification of the fluid composition limits. -,-,- INTERNATIONAL STANDARD ISO 15859-11:2004(E) ISO 2004 All rights reserved 1 Space sy
16、stems Fluid characteristics, sampling and test methods Part 11: Ammonia 1 Scope This part of ISO 15859 specifies limits for the composition of ammonia (NH3) and establishes the sampling and test requirements applicable for the verification of the ammonia composition. This part of ISO 15859 is applic
17、able to sampling and test methods for ammonia used in both flight hardware and ground support facilities, systems, and equipment. This part of ISO 15859 is applicable to ammonia influents only within the specified limits herein. This part of ISO 15859 is applicable to any sampling operation required
18、 to ensure that, when the fluid enters the launch vehicle or spacecraft, the fluid composition complies with the limits provided hereafter or with any technical specification agreed to for a particular use. 2 Normative references The following referenced documents are indispensable for the applicati
19、on of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 7103, Liquefied anhydrous ammonia for industrial use Sampling Taking a laboratory sample ISO 7104, Liquefied anhydr
20、ous ammonia for industrial use Determination of water content Gas chromatographic method ISO 7105, Liquefied anhydrous ammonia for industrial use Determination of water content Karl Fischer method ISO 7106, Liquefied anhydrous ammonia for industrial use Determination of oil content Gravimetric and i
21、nfra-red spectrometric methods ISO 9000, Quality management systems Fundamentals and vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 9000 and the following apply. 3.1 indirect method method of measuring fluid purity by indirect means, whic
22、h consists in measuring the total volume fraction or mass fraction (in %) of aggregate impurities and subtracting this total from 100 ISO 15859-11:2004(E) 2 ISO 2004 All rights reserved 3.2 verification test analysis performed on the fluid in the container, or a sample thereof, which is representati
23、ve of the supply, permitting the verification of fluid composition limits 4 Chemical composition Unless otherwise provided in the applicable technical specification, the composition of ammonia delivered to the flight vehicle interface shall be in accordance with the limits given in Table 1 when test
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