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    EN ISO 4263-3-2010 3125 Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids using the TOST test - Part 3 Anhydrous procedure for syn.pdf

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    EN ISO 4263-3-2010 3125 Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids using the TOST test - Part 3 Anhydrous procedure for syn.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 4263-3:2010Petroleum and related products Determination of the ageingbehaviour of inhibited oils andfluids using the TOST testPart 3: Anhydrous procedure for synthetich

    2、ydraulic fluidsCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4263-3:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO4263

    3、-3:2010. It supersedes BS EN ISO 4263-3:2006 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/18/-/16, Hydraulic fluids.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport

    4、to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 70342 3ICS 75.120Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Poli

    5、cy and Strategy Committee on 30 November 2010.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD NORME EUROPEN

    6、NE EUROPISCHE NORM EN ISO 4263-3 October 2010 ICS 75.120 Supersedes EN ISO 4263-3:2006English Version Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids using the TOST test - Part 3: Anhydrous procedure for synthetic hydraulic fluids (ISO 4263-3:2010)

    7、 Ptrole et produits connexes - Dtermination du comportement au vieillissement des fluides et huiles inhibs au moyen de lessai TOST - Partie 3: Mthode anhydre pour les fluides hydrauliques synthtiques (ISO 4263-3:2010) Minerallerzeugnisse und verwandte Produkte - Bestimmung des Alterungsverhaltens vo

    8、n inhibierten len und Flssigkeiten unter Anwendung des TOST-Verfahrens - Teil 3: Wasserfreies Verfahren fr synthetische Druckflssigkeiten (ISO 4263-3:2010) This European Standard was approved by CEN on 23 September 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which

    9、 stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This Euro

    10、pean Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members ar

    11、e the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swede

    12、n, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. R

    13、ef. No. EN ISO 4263-3:2010: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4263-3:2010EN ISO 4263-3:2010 (E) 3 Foreword This document (EN ISO 4263-3:2010) has been pr

    14、epared by Technical Committee ISO/TC 28 “Petroleum products and lubricants“ in collaboration with Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin” the secretariat of which is held by NEN. This European Standard sh

    15、all be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2011, and conflicting national standards shall be withdrawn at the latest by April 2011. Attention is drawn to the possibility that some of the elements of this docume

    16、nt may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 4263-3:2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are

    17、bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spai

    18、n, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 4263-3:2010 has been approved by CEN as a EN ISO 4263-3:2010 without any modification. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking

    19、permitted without license from IHS-,-,-BS EN ISO 4263-3:2010ISO 4263-3:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references1 3 Principle2 4 Reagents and materials 2 5 Apparatus.3 6 Sampling.11 7 Preparation of materials and apparatus11 8 Procedure.12 9 Ca

    20、lculation .13 10 Expression of results13 11 Precision.14 12 Test report14 Annex A (normative) Liquid-in-glass thermometer specifications15 Annex B (normative) Procedure for packaging and storage of catalyst coils .16 Annex C (informative) Method for the determination of the insolubles content of min

    21、eral oils and anhydrous synthetic fluids.17 Annex D (informative) Appearance rating of catalyst coil wires19 Annex E (informative) Determination of metals content.20 Bibliography21 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or

    22、 networking permitted without license from IHS-,-,-BS EN ISO 4263-3:2010ISO 4263-3:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International

    23、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, governmental and non-governmental, in liaison with ISO, al

    24、so 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 Directives, Part 2. The main task of technical committ

    25、ees 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 poss

    26、ibility 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 4263-3 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants. This second edition cancels and replac

    27、es the first edition (ISO 4263-3:2006), of which it is a minor revision with changes to the title, Clause 3 (last sentence), 8.8, 8.9 and 10.1 plus some minor editorial modifications. ISO 4263 consists of the following parts, under the revised general title Petroleum and related products Determinati

    28、on of the ageing behaviour of inhibited oils and fluids using the TOST test: Part 1: Procedure for mineral oils Part 2: Procedure for category HFC hydraulic fluids Part 3: Anhydrous procedure for synthetic hydraulic fluids Part 4: Procedure for industrial gear oils NOTE As of the date of publication

    29、 of this revised edition of ISO 4263-3, the current editions of Parts 1, 2 and 4 still retained the old four-part title: Petroleum and related products Determination of the ageing behaviour of inhibited oils and fluids TOST test Part X: Copyright European Committee for Standardization Provided by IH

    30、S under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4263-3:2010INTERNATIONAL STANDARD ISO 4263-3:2010(E) ISO 2010 All rights reserved 1Petroleum and related products Determination of the ageing behaviour of inhibited oils and fluids us

    31、ing the TOST test Part 3: Anhydrous procedure for synthetic hydraulic fluids WARNING The use of this part of ISO 4263 can involve hazardous materials, operations and equipment. This part of ISO 4263 does not purport to address all of the safety problems associated with its use. It is the responsibil

    32、ity of the user of this part of ISO 4263 to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1 Scope This part of ISO 4263 specifies a method for the determination of the ageing behaviour of synthetic hydraulic fluids of catego

    33、ries HFDR, HFDU, HEES and HEPG as defined, for example, in ISO 129224and ISO 153805. The ageing is accelerated by the presence of oxygen and metal catalysts at elevated temperature, and the degradation of the fluid is followed by changes in acid number. Other parts of ISO 4263 specify similar proced

    34、ures for the determination of ageing behaviour of mineral oils and specified categories of fire-resistant fluids used in hydraulic and other applications. NOTE Other signs of fluid deterioration, such as the formation of insoluble sludge, catalyst coil corrosion or decrease in viscosity, can occur w

    35、hich indicate oxidation of the fluid, but are not reflected in the calculated oxidation lifetime. The correlation of these occurrences with field service is under investigation. This test method can be used to compare the oxidation stability of fluids that are not prone to contamination with water.

    36、However, because of the large number of individual field-service applications, the correlation between the results of this test and actual service performance can vary markedly, and is best judged on experience. The precision of this test method for synthetic hydraulic fluids is not known because in

    37、terlaboratory data are not available. This method might not be suitable for use in specifications or in the event of disputed results as long as these data are not available. However, precision for inhibited turbine oils is given in Clause 11 for guidance as an indication of the precision that could

    38、 be obtained for synthetic hydraulic fluids. 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 am

    39、endments) applies. ISO 3170:2004, Petroleum liquids Manual sampling ISO 3696:1987, Water for analytical laboratory use Specification and test methods ISO 7537:1997, Petroleum products Determination of acid number Semi-micro colour-indicator titration method Copyright European Committee for Standardi

    40、zation Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN ISO 4263-3:2010ISO 4263-3:2010(E) 2 ISO 2010 All rights reserved3 Principle A test portion is reacted, in the absence of light, at 95 C with oxygen and a steel and co

    41、pper catalyst coil. Small aliquots of the fluid are withdrawn at regular intervals and the acid number is measured (see the Note in Clause 1). The test is continued until an acid number increase of 2,0 mg of potassium hydroxide (KOH) per gram of test portion is reached and the number of hours is rec

    42、orded as the oxidation lifetime. For some requirements, the test may be discontinued at a fixed number of hours (e.g. 500 h or 1 000 h) when the value of the acid number has still not increased by 2,0 mg of KOH per gram of test portion. 4 Reagents and materials 4.1 Water, unless otherwise specified,

    43、 in accordance with the requirements of grade 2 of ISO 3696:1987. Potable water means tap water, unless normal piped supplies are contaminated with particulate or highly soluble mineral content. 4.2 Heptane (C7H16), of minimum purity 99,75 %. 4.3 Acetone (CH3COCH3), of general purpose reagent grade

    44、(GPR). 4.4 Propan-2-ol (CH3CHOHCH3), of general purpose reagent grade (GPR). 4.5 Oxygen, of minimum purity 99,5 %, supplied through a pressure-regulation system adequate to maintain the specified flow rate throughout the test duration. Supply from an oxygen cylinder should be via a two-stage regulat

    45、ion system and a needle valve to improve the consistency of gas-flow regulation. WARNING Use oxygen only with equipment validated for oxygen service. Do not allow oil or grease to come into contact with oxygen and clean and inspect all regulators, gauges and control equipment. Check the oxygen-suppl

    46、y system regularly for leaks. If a leak is suspected, turn off immediately and seek qualified assistance. 4.6 Cleaning solutions 4.6.1 Strong oxidizing acid solution The reference strong oxidizing cleaning solution on which precision was based, is chromosulfuric acid (see the following warning), but

    47、 alternative non-chromium containing solutions, such as ammonium persulfate in concentrated sulfuric acid (8 g/l), have been found to give satisfactory cleanliness. A 10 % solution of three parts of hydrochloric acid (1 mol/l) and one part of orthophosphoric acid (concentrated GPR grade) removes iro

    48、n oxide deposits. WARNING Chromosulfuric acid is a health hazard. It is toxic, a recognized carcinogen as it contains Cr(VI) compounds, highly corrosive and potentially hazardous in contact with organic materials. When using a chromosulfuric acid cleaning solution, eye protection and protective clot

    49、hing are essential. Never pipette the cleaning solution by mouth. After use, do not pour cleaning solution down the drain, but neutralize it with great care owing to the concentrated sulfuric acid present, and dispose of it in accordance with standard procedures for toxic laboratory waste (chromium is highly dangerous


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