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ASTM_D_1796_-_11e1.pdf

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1、Designation:D1796111Manual 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 designation indicates

2、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 agencies of the Departm

3、ent of Defense.1NOTEReferenced Documents and API information was editorially corrected in July 2013.1.Scope*1.1 This test method describes the laboratory determinationof water and sediment in fuel oils in the range from 0 to 30%volume by means of the centrifuge procedure.NOTE1With some types of fuel

4、 oils such as residual fuel oils ordistillate fuel oils containing 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

5、Chapter 10.6(Test Method D1796)along withAPI MPMS Chapter 10.3(Test Method D4007)formerly superseded APIStandard 2548.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard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 thesa

6、fety concerns,if any,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.For a specificprecautionary statement,see 6.1.2.Referenced Documents2.1 ASTM

7、 Standards:2D95 Test Method for Water in Petroleum Products andBituminous 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 Meth

8、od(Laboratory Procedure)(APIMPMS Chapter 10.3)D4057 Practice for Manual 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

9、and Petroleum Products(API MPMS Chap-ter 8.3)D6304 Test Method for 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

10、 Sampling of Petro-leum and Petroleum Products(ASTM Practice D4057)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 Ch

11、apter 10.1 Test Method for Sediment in CrudeOils by the Extraction 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 Bitu

12、minous Materials by Distillation1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products and Lubricants and the API Committee on Petroleum Measure-ment and is the direct responsibility of Subcommittee D02.02/COMQ on Hydro-carbon Measurement for Custody Transfer(Joint AS

13、TM-API).Current edition approved June 1,2011.Published August 2011.Originallyapproved in 1960.Last previous edition approved in 2009 as D179604(2009).DOI:10.1520/D1796-11E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annu

14、al Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Published as Manual of Petroleum Measurement Standards.Available from theAmerican Petroleum Institute,1220 L St.,N.W.,Washington,DC 20005.*A Summary of Changes section appears at the end of t

15、his standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1(ASTM Test Method D95)2.3 IP Standard:4Methods Book,Appendix B Specification for Methylben-zenes(Toluenes)2.4 ISO Standard:5ISO 5272:1979 Toluene for Industrial UseSpecifications3

16、.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 isrequired to measure accurately net volumes of actual

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