BS ISO 8573-6-2003 Compressed air - Test methods for gaseous contaminant content《压缩空气 气体污染物含量的试验方法》.pdf
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1、BRITISH STANDARD BS ISO 8573-6:2003 Compressed air Part 6: Test methods for gaseous contaminant content ICS 71.100.20 BS ISO 8573-6:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 16 June 2003 BSI 16 June 2003 ISBN 0 580 42056 6 National
2、 foreword This British Standard reproduces verbatim ISO 8573-6:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee MCE/8, Compressors, pneumatic tools, pneumatic machines and vacuum technology, which has the responsibility
3、to: A list of organizations represented on this committee 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 the BSI Catalogue under the section entitled “International Standards
4、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 responsible for its correct application. Compliance with a British Standard does
5、 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 UK interests informed; monitor related international and European develo
6、pments 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 v, a blank page, pages 1 to 12, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document wa
7、s last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 8573-6:2003(E)NINRETOITALAN ADNATSDR ISO 83756- tide tsriFino 0-300210-5 Compressed air Part 6: Test methods for gaseous contaminant content Air comprim Partie 6: Mthodes dessai pour la dtermination de la
8、teneur en polluants gazeux Referecne unmebr OSI 6-3758002:)E(3INTERNATIONAL STANDARD ISO 8573-6 First edition 2003-05-01 moCpesserria d :6 traP tseT temhodf soesag rsuo noctimannat tnoctne Aioc rmpirm raPti:6 e Mtdohse sedsia ruop ld aretmniitad nol ea enetru ne lopaulnst agezxu BSISO85736:2003IS-37
9、58 O6:(3002)E ii BSISO85736:2003IS-3758 O6:(3002)E iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Normative references . 1 3 Terms, definitions, units and symbols . 1 4 Selection guide and available methods 2 5 Sampling techniques 3 6 Measurement methods. 5 7 Reference conditions 5 8 Evalua
10、tion of test result . 5 9 Uncertainty. 5 10 Test report 6 Annex A (informative) Compressed air contaminant concentration report Example. 7 Annex B (informative) Measurement and sampling procedures on site and analysis in laboratory. 8 Annex C (informative) Analytical and on-line sampling systems 9 A
11、nnex D (informative) Equipment for on-site measurement Sampling and measurement procedures Sampling in gas detector tube . 11 Bibliography . 12 BSISO85736:2003IS-3758 O6:(3002)E iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodie
12、s (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 committee has been established has the right to be represented on that committee. International organizations,
13、 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 electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO
14、/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 bodies for voting. Publication as an International Standard requires approval by at least 75 % of the m
15、ember 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 any or all such patent rights. ISO 8573-6 was prepared by Technical Committee ISO/TC 118, Compressors,
16、pneumatic tools and pneumatic machines, Subcommittee SC 4, Quality of compressed air. ISO 8573 consists of the following parts, under the general title Compressed air: Part 1: Contaminants and purity classes Part 2: Test methods for aerosol oil content Part 3: Test methods for measurement of humidit
17、y Part 4: Test methods for solid particle content Part 5: Test methods for oil vapour and organic solvent content Part 6: Test methods for gaseous contaminant content Part 7: Test method for viable microbiological contaminant content Part 8: Test methods for solid particle content by mass concentrat
18、ion Part 9: Test methods for liquid water content BSISO85736:2003IS-3758 O6:(3002)E vIntroduction This part of ISO 8573 is one in a series of standards (planned or published) with the ambition of harmonizing air contamination measurements. It is also intended to be used for reference when stating pu
19、rity classes according to ISO 8573-1. In this part of ISO 8573, gaseous contamination of compressed air means that a sample of compressed air could contain small quantities of carbon monoxide (CO), carbon dioxide (CO 2 ), sulphur dioxide (SO 2 ), hydrocarbons and oxides of nitrogen (NO x ) the latte
20、r being a mixture of nitric oxide (NO) and nitrogen dioxide (NO 2 ), without a specified ratio between the two components. It is possible to obtain separate concentration values for NO and NO 2using either the laboratory equipment recommended here or on-site equipment, while under the recommended la
21、boratory analytical procedure, hydrocarbons are the sum of a variety of species assuming a ratio of C 1 H 1,85 . BSISO85736:2003blankINTENRATIONAL TSANDADR IS-3758 O6:(3002)E1Compressed air Part 6: Test methods for gaseous contaminant content 1 Scope This part of ISO 8573 provides a selection of sui
22、table test methods from those available for the measurement of contamination gases in compressed air. It specifies sampling technique, measurement and evaluation, uncertainty considerations and reporting for the applicable gaseous contaminants carbon monoxide, carbon dioxide, sulphur dioxide, nitric
23、 oxide, nitrogen dioxide and hydrocarbons in the range C 1to C 5(see ISO 8573-5 for C 6and above). The methods given are also suitable for other gases. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edi
24、tion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1219-1, Fluid power systems and components Graphic symbols and circuit diagrams Part 1: Graphic symbols ISO 2602, Statistical interpretation of test results Estimation of
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