1、BRITISH STANDARD AEROSPACE SERIES BS ISO 15859-10:2004 Space systems Fluid characteristics, sampling and test methods Part 10: Water ICS 49.140 BS ISO 15859-10:2004 This British Standard was published under the authority of the Standards Policy and S t r a t e g y C o m m i t t e e o n 12 August 200
2、4 BSI 12 August 2004 ISBN 0 580 44274 8 National foreword This British Standard reproduces verbatim ISO 15859-10:2004 and implements it as the UK national standard. The UK participation in its preparation was entrusted by Technical Committee ACE/68, Space systems and operations, to Subcommittee ACE/
3、68/-/3, Operations and ground support, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in
4、 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 Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsib
5、le 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 responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the U
6、K 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 cover, the ISO title page, pages ii to iv, pages 1 to 9 and a back cover. The BSI copyright notice displayed in this do
7、cument indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 15859-10:2004(E)INTERNATIONAL STANDARD ISO 15859-10 First edition 2004-06-01 Space systems Fluid characteristics, sampling and test methods Part 10: Water Systmes spati
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13、85910:2004 iiiForeword ISO (the 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
14、 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 take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC)
15、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 is to prepare International Standards. Draft International Standards adopted by the technical committees
16、 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 possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be hel
17、d responsible for identifying any or all such patent rights. ISO 15859-10 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 characteristi
18、cs, sampling and test methods: 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
19、Part 13: Breathing air BSISO1585910:2004iv 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 establish uni
20、form 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 vehicle o
21、r 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. BSISO1585910:2004 1Space systems Fluid characteristics, sampling and test methods Part 10: Water
22、1 Scope This part of ISO 15859 specifies limits for the composition of water and establishes the sampling and test requirements applicable for the verification of the water composition. This part of ISO 15859 is applicable to only potable water and high-purity demineralized or deionized water, used
23、for cooling and servicing of space systems as well as both flight hardware and ground servicing, system and equipment, of the following types. Type HP: high purity; Type P: potable (drinking). It is not applicable to other types of water that may be provided to a space system. This part of ISO 15859
24、 is applicable to influents only within the specified limits herein. This part of ISO 15859 is applicable to any sampling operation required 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
25、 specification agreed to for a particular use. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any
26、amendments) applies. ISO 5666, Water quality Determination of mercury ISO 5667-1, Water quality Sampling Part 1: Guidance on the design of sampling programmes ISO 5667-2, Water quality Sampling Part 2: Guidance on sampling techniques ISO 5667-3, Water quality Sampling Part 3: Guidance on the preserv
27、ation and handling of water samples ISO 5667-5, Water quality Sampling Part 5: Guidance on sampling of drinking water and water used for food and beverage processing ISO 5961, Water quality Determination of cadmium by atomic absorption spectrometry ISO 6332, Water quality Determination of iron Spect
28、rometric method using 1,10-phenanthroline BSISO1585910:20042 ISO 6333, Water quality Determination of manganese Formaldoxime spectrometric method ISO 7027, Water quality Determination of turbidity ISO 7887, Water quality Examination and determination of colour ISO 7888, Water quality Determination o
29、f electrical conductivity ISO 8245, Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) ISO 8288, Water quality Determination of cobalt, nickel, copper, zinc, cadmium and lead Flame atomic absorption spectrometric methods ISO 9000, Quality
30、management systems Fundamentals and vocabulary ISO 9174, Water quality Determination of chromium Atomic absorption spectrometric methods ISO 9964-2, Water quality Determination of sodium and potassium Part 2: Determination of potassium by atomic absorption spectrometry ISO 9964-3, Water quality Dete
31、rmination of sodium and potassium Part 3: Determination of sodium and potassium by flame emission spectrometry ISO 9965, Water quality Determination of selenium Atomic absorption spectrometric method (hydride technique) ISO 10523, Water quality Determination of pH ISO 11885, Water quality Determinat
32、ion of 33 elements by inductively coupled plasma atomic emission spectroscopy 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 9000 and the following apply. 3.1 verification test analysis performed on the fluid in the container, or a sample thereof, w
33、hich is representative of the supply, permitting the verification of fluid composition limits 4 Chemical composition and properties Unless otherwise provided in an applicable technical specification, the composition of water delivered to the flight vehicle interface shall be in accordance with the l
34、imits given in Tables 1 and 2 when tested in accordance with the applicable test methods. 5 Procurement The types of water specified in Clause 1 should be procured in accordance with an applicable national standard. BSISO1585910:2004 3Table 1 Chemical composition Limits Components Type HP Type P Tot
35、al solids mg/l, max. 10 100 Total organic carbon mg/l, max. 1 Chlorides g/g, max.1,0 1,0 Cadmium 0,005 Chromium (hexavalent) 0,05 Copper 1,0 Iron 0,3 Lead 0,015 Manganese 0,05 Mercury 0,002 Nickel 0,1 Potassium 10,0 Selenium 0,05 Silver 0,05 Ionic species, mg/l, max. Zinc 5,0 Dissolved gas No free g
36、as when subjected to 1 atm at 37 C Iodine mg/l, max. 10 Table 2 Properties Limits Properties Type HP Type P Sterility Free of viable micro-organisms aConductivity at 25 C 1 cm 1 , max. 2,0 10 53,3 10 6pH at 25 C 8,0 5,0 to 8,0 Taste None Odour None Turbidity None Colour None Surface tension at 20 C
37、dyn/cm 72,72 1,0 aReport viable microorganism count. BSISO1585910:20044 6 Fluid sampling 6.1 General Sampling of water shall conform to the requirements of ISO 5667-1, ISO 5667-2, ISO 5667-3 and ISO 5667-5. 6.2 Plan In order to ensure that the fluid composition complies with the limits specified in
38、this part of ISO 15859, a fluid sampling plan should be established by all the involved operators, from the production to the space vehicle interface, and approved by the final user. Sampling activities and test methods shall comply with all safety regulations and rules applicable to that task. This
39、 plan shall specify the sampling points, the sampling procedures, the sampling frequency, the sample size, the number of samples, the test methods, and the responsibilities of any involved operator. 6.3 Responsibility for sampling Unless otherwise provided in an applicable technical specification, t
40、he water delivered to the flight vehicle interface shall be sampled and verified by the supplier responsible for providing the water to the flight vehicle. The supplier may use his/her or any other resources suitable for the performance of the verification tests specified herein unless otherwise dir
41、ected by the customer. 6.4 Rejection When any sample of the fluid tested in accordance with Clause 7 fails to conform to the requirements specified herein, the fluid represented by the sample shall be rejected. Disposal of the rejected fluid shall be specified by the customer. 7 Test methods 7.1 Gen
42、eral The supplier will ensure, by standard practice, the quality level of water. The standard practices and detailed control procedures for the test methods described in the following subclauses shall be in accordance with nationally or internationally recognized and accepted laboratory methods for
43、the examination of water. If required, alternate test methods are described in 7.3 to 7.16. Other test methods not listed in this part of ISO 15859 are acceptable if agreed upon between the supplier and the customer. These tests are a single analysis or a series of analyses performed on the fluid to
44、 ensure the reliability of the storage facility to supply the required quality level. This can be verified by analysis of representative samples of the fluid from the facility at appropriate intervals as agreed upon between the supplier and the customer. Tests may be performed by the supplier or by
45、a laboratory agreed upon between the supplier and the customer. The analytical requirements for the tests shall include the determination of all limiting characteristics of water. BSISO1585910:2004 57.2 Parameters of analysis The parameters for analytical techniques contained in 7.3 to 7.16 are the
46、following: a) impurities shall be expressed as milligrams per litre (mg/l) unless otherwise specified; b) calibration standards containing the applicable liquid components may be required to calibrate the analytical instruments used to determine the limiting characteristic levels of fluid; c) if req
47、uired by the customer, the accuracy of the measuring equipment used in preparing these standards shall be traceable to an established institute for standards; d) analytical equipment shall be calibrated and operated in accordance with the manufacturers instructions. 7.3 Conductivity The conductivity
48、 shall be determined by the methods specified in ISO 7888. 7.4 pH The pH shall be determined by electrometric measurement in accordance with ISO 10523. 7.5 Total solids The total solids shall be determined by evaporation of a well-mixed sample. The increase in mass over that of the empty dish represents the total solids. 7.6 Total organic carbon (TOC) The total organic carbon shall be determined by one of the methods specified in ISO 8245. 7.7 Chloride content The chloride content shall be determined by one of the following methods. a) Argentometric method. b) Mercuric nitrate metho
