1、Designation:D480705(Reapproved 2015)Manual of Petroleum Measurement Standards(MPMS),Chapter 10.8Standard Test Method forSediment in Crude Oil by Membrane Filtration1This standard is issued under the fixed designation D4807;the number immediately following the designation indicates the year oforigina
2、l 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.This standard has been approved for use by agencies of the U.S.Department of Defense
3、.1.Scope1.1 This test method covers the determination of sedimentin crude oils by membrane filtration.This test method has beenvalidated for crude oils with sediments up to approximately0.15 mass%.1.2 The accepted unit of measure for this test method ismass%,but an equation to convert to volume%is p
4、rovided(see Note 6).1.3 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard
5、to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For specificwarning statements,see 6.1 and Annex A1.2.Referenced Documents2.1 ASTM Standards:2D473 Test Method for Sediment in Crude Oils and Fuel Oilsby the Extraction Metho
6、dD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD4865 Guide for Generation and Dissipation of Static Elec-tricity in Petroleum Fuel SystemsD5854 Practice for Mixing and Handling of Liquid Samplesof Petroleu
7、m and Petroleum Products2.2 API Standards:3MPMS Chapter 8.1 Manual Sampling of Petroleum andPetroleum Products(ASTM Practice D4057)MPMS Chapter 8.2 Automatic Sampling of Petroleum andPetroleum Products(ASTM Practice D4177)MPMS Chapter 8.3 Mixing and Handling of Liquid Samplesof Petroleum and Petrole
8、um Products(ASTM PracticeD5854)MPMS Chapter 10.1 Test Method for Sediment in CrudeOils and Fuel Oils by the Extraction Method(ASTM TestMethod D473)2.3 ISO Standard:4ISO 5272:1979 Toluene for Industrial UseSpecifications3.Summary of Test Method3.1 A portion of a representative crude oil sample isdiss
9、olved in hot toluene and filtered under vacuum through a0.45 m porosity membrane filter.The filter with residue iswashed,dried,and weighed to give the final result.4.Significance and Use4.1 A knowledge of the sediment content of crude oil isimportant both in refinery operations and in crude oil com-
10、merce.5.Apparatus5.1 Funnel and Filter Support AssemblyUse an assemblydesigned to hold 47 mm diameter filters as was used in thedevelopment of this test method(see Fig.1).55.1.1 Filter FunnelUse a filter funnel with a 250 mLminimum capacity.The lower part of the funnel has a 40 mminside diameter and
11、 is designed to secure the 47 mm diameter1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and the API Committee onPetroleum Measurement,and is the direct responsibility of Subcommittee D02.02/COMQ on Hydrocarbon Measurement for Custod
12、y Transfer(Joint ASTM-API).Current edition approved April 1,2015.Published May 2015.Originallyapproved in 1988.Last previous edition approved in 2010 as D4807 05(2010).DOI:10.1520/D4807-05R15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at servic
13、eastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Published as Manual of Petroleum Measurement Standards.Available fromAmerican Petroleum Institute(API),1220 L.St.,NW,Washington,DC 20005-4070,http:/www.api.org.4Available fr
14、om American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.5The following filtration assembly was used in generating the precision:Millipore Corp.,Ashly Rd.,Bedford,MA 01730.Other filtration assemblies alsomay be acceptable.Copyright ASTM Internationa
15、l,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 filter against the filter support.The funnel can be jacketed tofacilitate heating the solvent funnel and sample during filtering.NOTE1Use of a glass funnel should minimize the effect of staticelectricity when filterin
16、g.5.1.2 Filter SupportUse a support base for the filter thathas a porous scintered glass center section about 40 mm to43 mm in diameter.The support base is designed to fit securelyagainst the funnel holding the filter in place over the poroussection.The filter supports stem should be long enough toextend down into the filter flask such that the end is below thevacuum connection.5.1.3 Clamp AssemblyUse a spring or screw type clamp tosecure the funnel to the filter support.The clamp should betight
