1、BRITISH STANDARD BS EN ISO 4263-1:2004 Petroleum and related products Determination of the ageing behaviour of inhibited oils and fluids TOST test Part 1: Procedure for mineral oils The European Standard EN ISO 4263-1:2004 has the status of a British Standard ICS 75.100 BS EN ISO 4263-1:2004 This Br
2、itish Standard was published under the authority of the Standards Policy and Strategy Committee on 25 January 2005 BSI 25 January 2005 ISBN 0 580 45338 3 National foreword This British Standard is the official English language version of EN ISO 4263-1:2004. It is identical with ISO 4263-1:2003. The
3、UK participation in its preparation was entrusted to Technical Committee PTI/13, Petroleum testing and terminology, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which impleme
4、nt international or European 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 Standards Online. This publication does
5、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 responsible international/European
6、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 cover, the EN ISO title page, the
7、 EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 17 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. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO42
8、631 December2004 ICS75.100 Englishversion PetroleumandrelatedproductsDeterminationoftheageing behaviourofinhibitedoilsandfluidsTOSTtestPart1: Procedureformineraloils(ISO42631:2003) PtroleetproduitsconnexesDterminationdu comportementauvieillissementdesfluidesethuiles inhibesEssaiTOSTPartie1:Mthodepou
9、rleshuiles minrales(ISO42631:2003) MinerallerzeugnisseundverwandteProdukte BestimmungdesAlterungsverhaltensvoninhibiertenlen undFlssigkeitenTOSTVerfahrenTeil1:Verfahrenfr Mineralle(ISO42631:2003) ThisEuropeanStandardwasapprovedbyCENon21December2004. CENmembersareboundtocomplywiththeCEN/CENELECIntern
10、alRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeoffici
11、alversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,
12、Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre
13、:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO42631:2004:E Foreword The text of ISO 4263-1:2003 has been prepared by Technical Committee ISO/TC 28 “Petroleum products and lubricants” of the International Organ
14、ization for Standardization (ISO) and has been taken over as EN ISO 4263-1:2004 by Technical Committee CEN/TC 19 “Petroleum products, lubricants and related products“, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publicat
15、ion of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards shall be withdrawn at the latest by June 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Eur
16、opean Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement
17、notice The text of ISO 4263-1:2003 has been approved by CEN as EN ISO 4263-1:2004 without any modifications. ENISO42631:2004 Reference number ISO 4263-1:2003(E)INTERNATIONAL ADNATSDR ISO 4-3621 tide tsriFino -300251-30 Petroleum and related products Determination of the ageing behaviour of inhibited
18、 oils and fluids TOST test Part 1: Procedure for mineral oils Ptrole et produits connexes Dtermination du comportement au vieillissement des fluides et huiles inhibs Essai TOST Partie 1: Mthode pour les huiles minrales Referecne unbmer OSI 1-3624002:)E(3INTERNATIONAL STANDARD ISO 4263-1 First editio
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23、teh serddaig sleb nevwo. ii ENISO42631:2004 iiiContents Page Foreword iv 1 Scope 1 2 Normative references . 1 3 Principle . 2 4 Reagents and materials 2 5 Apparatus 3 6 Sampling 6 7 Preparation of materials and apparatus . 6 8 Procedure 8 9 Calculation. 9 10 Expression of results 9 11 Precision 9 12
24、 Test report . 10 Annex A (normative) Liquid-in-glass thermometer specifications . 11 Annex B (normative) Procedure for packaging and storage of catalyst coils . 12 Annex C (informative) Method for the determination of the insolubles content of mineral oils 13 Annex D (informative) Appearance rating
25、 of catalyst coil wires . 15 Annex E (informative) Determination of metals content 16 Bibliography . 17 ENISO42631:2004iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International
26、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
27、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
28、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
29、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 4263-1 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants. ISO 4263 consists of the following par
30、ts, under the general title Petroleum and related products Determination of the ageing behaviour of inhibited oils and fluids 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
31、 for industrial gear oils ENISO42631:2004 1Petroleum and related products Determination of the ageing behaviour of inhibited oils and fluids TOST test Part 1: Procedure for mineral oils WARNING The use of this part of ISO 4263 may involve hazardous materials, operations and equipment. This part of I
32、SO 4263 does not purport to address all of the safety problems associated with its use. It is the responsibility 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
33、4263 specifies a method for the determination of the ageing behaviour of rust- and oxidation- inhibited mineral oils having a density less than that of water, used as turbine oils (categories TSA, TGA, TSE, TGE of ISO 6743-5, see 4 in the Bibliography), hydraulic oils (categories HL, HM, HR, HV, HG
34、of ISO 6743-4, see 3 in the Bibliography), and circulating oils (category CKB of ISO 6743-6, see 5 in the Bibliography). Oils containing synthetic components can be tested by this procedure, but no precision statement is available yet for such fluids. NOTE 1 For the purposes of this part of ISO 4263
35、, the term “% (m/m)“ is used to represent the mass fraction of a material. NOTE 2 Other signs of oil deterioration, such as the formation of insoluble sludge, catalyst coil corrosion or decrease in pH value, may occur, which indicate oxidation of the oil, but are not reflected in the calculated oxid
36、ation lifetime. The correlation of these occurrences with field service is under investigation. This test method is widely used in specifications and is considered of value in comparing the oxidation stability of oils that are prone to contamination with water. However, because of the large number o
37、f 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 part of ISO 4263 for oxidation life was only determined on inhibited turbine oils, and applies to oxida
38、tion lives of 700 h to 3 900 h. 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 amendments) app
39、lies. ISO 3170: 1) , Petroleum liquids Manual sampling ISO 3696:1987, Water for analytical laboratory use Specification and test methods 1) To be published. (Revision of ISO 3170:1988) ENISO42631:20042 ISO 6618:1997, Petroleum products and lubricants Determination of acid or base number Colour- indi
40、cator titration method ISO 6619:1988, Petroleum products and lubricants Neutralization number Potentiometric titration method ISO 7537:1997, Petroleum products Determination of acid number Semi-micro colour-indicator titration method 3 Principle A test portion is reacted, in the absence of light, at
41、 95 C with oxygen in the presence of water and a steel and copper catalyst coil. Small aliquots of the oil are withdrawn at regular intervals and the acid number is measured (see Note 2 in Clause 1). The test is continued until an acid number of 2,0 mg of potassium hydroxide (KOH) per gram of test p
42、ortion is reached and the number of hours is recorded as the oxidation life. For some requirements, the test may be discontinued at a fixed number of hours (e.g. 1 000 h) when the value of the acid number is still below 2,0 mg of KOH per gram of test portion. 4 Reagents and materials 4.1 Water, unle
43、ss otherwise specified, in accordance with the requirements of grade 2 as defined in ISO 3696. Potable water means tap water, unless normal piped supplies are contaminated with particulate or highly soluble mineral content. 4.2 Heptane (C 7 H 16 ), of minimum purity 99,75 %. 4.3 Acetone (CH 3 COCH 3
44、 ), of general purpose reagent grade (GPR). 4.4 Propan-2-ol (CH 3 CHOHCH 3 ), 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 c
45、ylinder should be via a two-stage regulation 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
46、control equipment. Check the oxygen-supply 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 chromosulfu
47、ric acid (see the following warning), but 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 a
48、cid (concentrated GPR grade) removes iron 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 chromosulfuric acid cleaning solution, eye protection and protective clothing are essential. Never pipette the cleaning solution by mouth. After use, do not pour c
