BS-ISO-14952-3-2003.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS ISO 14952-3:2003 Space systems Surface cleanliness of fluid systems Part 3: Analytical procedures for the determination of nonvolatile residues and particulate contamination ICS 49.080; 49.140 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:41:25 GMT+
2、00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 14952-3:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 27 February 2004 BSI 27 February 2004 ISBN 0 580 43464 8 National foreword This British Standard reproduces verbatim ISO 14952-3:2003 a
3、nd implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee ACE/68, Space systems and operations, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-r
4、eferences The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standar
5、ds Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the re
6、sponsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front
7、cover, the ISO title page, pages ii to v, a blank page, pages 1 to 15 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14
8、:41:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 14952-3:2003(E) OSI 3002 INTERNATIONAL STANDARD ISO 14952-3 First edition 2003-11-15 Space systems Surface cleanliness of fluid systems Part 3: Analytical procedures for the determination of nonvolatile residues and particulate c
9、ontamination Systmes spatiaux Propret des surfaces en contact avec des fluides Partie 3: Modes opratoires analytiques pour la dtermination des residus non volatils et de la contamination particulaire BS ISO 149523:2003 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:41:25 GMT+00:00 2006, U
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13、Secterirata ta teh serddaig sleb nevwo. ISO 3002 All irthgs erse.devr lnUeto sswrehise specified, on trap fo this lbupictaion maeb y cudorperro de tuilizi den yna form ro na ybm ynae,s lecetrinoc ro mceinahcla, incliduntohp gcoiypodna gn micrfoilm, wittuoh repmissii now nritign from ietI rehSa Ot ts
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15、un, na, Sun Nov 26 14:41:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-25941 O3:(3002E) I SO 3002 All irhgts seredevr iii Contents Page Forewordiv Introduction v 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Acceptance inspection.2 4.1 General.2 4.2 Visual inspection.2 4.3 Acidit
16、y and alkalinity test.2 4.4 Acceptance inspection of items cleaned in a controlled environment.2 4.5 Acceptance inspection of items cleaned in the field 6 4.6 Acceptance inspection of packaging materials.7 4.7 Acceptance inspection of items by functional test.9 5 Sampling and analytical practices 9
17、5.1 Cleanliness level test methods9 5.2 Microscopic particle population12 5.3 Gravimetric NVR analysis method 12 5.4 Aqueous ultrasonic sampling and total carbon (TC) NVR analysis 13 Annex A (informative) Sensitivity factor calculation.15 BS ISO 149523:2003 Licensed Copy: sheffieldun sheffieldun, na
18、, Sun Nov 26 14:41:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO 14952-3:2003(E) iv I SO 3002 All irhgts seredevr Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Stan
19、dards 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, governmental and non-governmental, in liaison with ISO, also t
20、ake 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 Directives, Part 2. The main task of technical committees
21、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 bodies casting a vote. Attention is drawn to the possibil
22、ity 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 14952-3 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 14, Space systems and operation
23、s. ISO 14952 consists of the following parts, under the general title Space systems Surface cleanliness of fluid systems: Part 1: Vocabulary Part 2: Cleanliness levels Part 3: Analytical procedures for the determination of nonvolatile residues and particulate contamination Part 4: Rough-cleaning pro
24、cesses Part 5: Drying processes Part 6: Precision-cleaning processes BS ISO 149523:2003 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:41:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS-25941 O3:(3002E) I SO 3002 All irhgts seredevr v Introduction This part of ISO 14952 defines sampling
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