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ASTM_D_1796_-_11_2016.pdf

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1、Designation:D179611(Reapproved 2016)Manual of Petroleum Measurement Standards(MPMS),Chapter 10.6Standard Test Method forWater and Sediment in Fuel Oils by the Centrifuge Method(Laboratory Procedure)1This standard is issued under the fixed designation D1796;the number immediately following the design

2、ation indicates the year 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.This standard has been approved for use by agencie

3、s of the U.S.Department of Defense.1.Scope1.1 This test method describes the laboratory determinationof water and sediment in fuel oils in the range from 0%to30%volume by means of the centrifuge procedure.NOTE1With some types of fuel oils such as residual fuel oils ordistillate fuel oils containing

4、residual components,it is difficult to obtainwater or sediment contents with this test method.When this situation isencountered,Test Method D95(API MPMS Chapter 10.5)or Test MethodD473(API MPMS Chapter 10.1)may be used.NOTE2API MPMS Chapter 10.6(Test Method D1796)along withAPI MPMS Chapter 10.3(Test

5、 Method D4007)formerly superseded APIStandard 2548.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibilit

6、y 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.For a specificprecautionary statement,see 6.1.2.Referenced Documents2.1 ASTM Standards:2D95 Test Method for Water in Petroleum Products andBitu

7、minous Materials by Distillation(API MPMS Chapter10.5)D473 Test Method for Sediment in Crude Oils and Fuel Oilsby the Extraction Method(API MPMS Chapter 10.1)D4007 Test Method for Water and Sediment in Crude Oil bythe Centrifuge Method(Laboratory Procedure)(APIMPMS Chapter 10.3)D4057 Practice for Ma

8、nual Sampling of Petroleum andPetroleum Products(API MPMS Chapter 8.1)D4177 Practice for Automatic Sampling of Petroleum andPetroleum Products(API MPMS Chapter 8.2)D5854 Practice for Mixing and Handling of Liquid Samplesof Petroleum and Petroleum Products(API MPMS Chap-ter 8.3)D6304 Test Method for

9、Determination of Water in Petro-leum Products,Lubricating Oils,and Additives by Cou-lometric Karl Fischer TitrationE542 Practice for Calibration of Laboratory VolumetricApparatus2.2 API Standards:3MPMS Chapter 8.1 Practice for Manual Sampling of Petro-leum and Petroleum Products(ASTM Practice D4057)

10、MPMS Chapter 8.2 Practice for Automatic Sampling ofPetroleum and Petroleum Products(ASTM PracticeD4177)MPMS Chapter 8.3 Practice for Mixing and Handling ofLiquid Samples of Petroleum and Petroleum Products(ASTM Practice D5854)MPMS Chapter 10.1 Test Method for Sediment in CrudeOils by the Extraction

11、Method(ASTM Test MethodD473)MPMS Chapter 10.3 Test Method for Water and Sediment inCrude Oil by the Centrifuge Method(Laboratory Proce-dure)(ASTM Test Method D4007)MPMS Chapter 10.5 Test Method for Water in PetroleumProducts and Bituminous Materials by Distillation(ASTM Test Method D95)1This test me

12、thod 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 the joint ASTM-API Committee on Hydrocarbon Measurement forCustody Transfer(Joint ASTM-API)

13、.This test method has been approved by thesponsoring committees and accepted by the Cooperating Societies in accordancewith established procedures.Current edition approved June 1,2016.Published July 2016.Originally approvedin 1960.Last previous edition approved in 2011 as D1796 111.DOI:10.1520/D1796

14、-11R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.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.Ava

15、ilable from theAmerican Petroleum Institute,1220 L St.,N.W.,Washington,DC 20005.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.3 IP Standard:4Methods Book,Appendix B Specification for Methylben-zenes(Toluenes)2.4 ISO Standard:5ISO 5272

16、:1979 Toluene for Industrial UseSpecifications3.Summary of Test Method3.1 Equal volumes of fuel oil and water-saturated tolueneare placed in each of two cone-shaped centrifuge tubes.Aftercentrifugation,the volume of the higher density water andsediment layer at the bottom of the tube is read.4.Significance and Use4.1 The water and sediment content of fuel oil is significantbecause it can cause corrosion of equipment and problems inprocessing.A determination of water and sediment content isrequir

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