1、Designation:D807217Standard Classification forReporting Solids and Insoluble Water Contamination ofHydrocarbon-Based Petroleum Products When Analyzed byImaging Instrumentation1This standard is issued under the fixed designation D8072;the number immediately following the designation indicates the yea
2、r oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This classification identifies a concise code which canbe used
3、 by imaging instruments for reporting of solid particlesand insoluble water content in hydrocarbon-based petroleumproducts.The coding system includes the reporting of watercontent and particle counts in the 1 m range.NOTE1 Calibration is not in accordance with ISO 11171.Compara-bility to ISO 4406 an
4、d its requirements is not inferred.1.2 It is valid for imaging instruments measuring particlesize by projected equivalent particle diameter(see 3.1.1),andwhich are calibrated and verified using particle size and countstandards traceable to NIST.21.3 Due to the variation of method and instrument type
5、s andresolutions,the reporting of results will include the ASTMstandard used to conduct the analysis.1.4 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 This standard does not purport to address all of thesafety concerns,if a
6、ny,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.6 This international standard was developed in accor-dance with internationally recognized p
7、rinciples on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ISO Standards:3ISO 3 Preferred numbersSeries of
8、preferred numbersISO 4406 Hydraulic Fluid PowerFluidsMethod for cod-ing the level of contamination by solid particlesISO 11171 Hydraulic fluid powerCalibration of automaticparticle counters for liquids3.Terminology3.1 Definitions:3.1.1 projected equivalent particle diameter,nthe diam-eter calculated
9、 from the projected area of a particle if that areaformed a circle,and in equation form is:Projected Equivalent Particle Diameter=(projected area/0.785)4.Significance and Use4.1 The purpose of this code is to simplify the reporting ofsolid particle counts and water droplet concentrations presentin p
10、etroleum products when measured by imaging instruments.Industry is accustomed to using a three number code to reportcontamination levels and so this reporting method for imaginginstruments is presented to organize results in a similar format.4.2 Particle count results as described by this classifica
11、tionare reported per the preferred number ranges in Table 1.Preferred numbers were originally developed by Charles Re-nard and codified in ISO 3.This format is the preferredreporting format since ISO 4406 has no ability to report water.4.3 Imaging instruments are capable of identifying insolublewate
12、r droplets separate from solids,and therefore a suffix codeis added after the three(or four)solid particle codes to reportwater content in parts per million(ppm(v).To report watercontent,detected droplets will be converted to ppm(v).Thedistribution of water droplet size may be reported if it is usef
13、ul,but it is not required.1This classification is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.96.05 on In-Service Lubricants Particle Counting Practices andTechniques.Current edition approved May 1,
14、2017.Published May 2017.DOI:10.1520/D8072-17.2Referenced standards must be certified by the manufacturer as prepared toappropriate National Institute of Standards and Technology(NIST)standards oftraceability.See http:/www.nist.gov.3Available from American National Standards Institute(ANSI),25 W.43rd
15、 St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Dec
16、ision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.Basis of Classification5.1 The code converts particle counts into a single numberidentifier,representing particle count ranges as shown in Table1,in each of three basic particle size ranges which are used toreport the result in the following example format:DXXXX 17/16/14 6where:DXXXX references the ASTM standard used to
