1、Manual of PetroleumMeasurement StandardsChapter 10.5Standard Test Method for Water in Petroleum Products and Bituminous Materials by DistillationFIFTH EDITION, SEPTEMBER 2013Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, loca
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19、standardsapi.org.iiiContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Referenced Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Summary of Test Method . . . . . . . . . . . . . . . . . . . . . .
21、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Significance and Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Solvent-Carrier Liquid. . . . . . . . . . . .
22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Apparatus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Sampling. .
23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . 310 Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 Calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512 Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 513 Precision and Bias . . . . . . . . . . . . . . . .
26、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 514 Keywords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Summary of Change
27、s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Figures1 Typical Assembly with Glass Still . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28、. . . . . 22 Two-millilitre Receiver Showing Alternative Connections to Glass Still . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Typical Assemblies with Metal Still . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Tables
29、1 Type of Solvent-Carrier Liquid to Use Versus Material to Be Tested . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Specifications and Sizes of Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Permissible L
30、imits in Millilitres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Precision. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31、 . . . . . . . 6vDesignation: D95 131Manual of Petroleum Measurement Standards (MPMS), Chapter 10.5Standard Test Method forWater in Petroleum Products and Bituminous Materials byDistillation1This standard is issued under the fixed designation D95; the number immediately following the designation ind
32、icates the year of originaladoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies o
33、f the Department of Defense.1NOTEIP information was removed editorially in August 2013.1. Scope*1.1 This test method covers the determination of water inthe range from 0 to 25 % volume in petroleum products, tars,and other bituminous materials by the distillation method.NOTE 1Volatile water-soluble
34、material, if present, may be measuredas water.1.2 The specific products considered during the develop-ment of this test method are listed in Table 1. For bituminousemulsions refer to Test Method D244. For crude oils, refer toTest Method D4006 (API MPMS Chapter 10.2).NOTE 2With some types of oil, sat
35、isfactory results may be obtainedfrom Test Method D1796 (API MPMS Chapter 10.6).1.3 The values stated in SI units are to be regarded as thestandard. The values in parentheses are for information only.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its
36、 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 specific hazardstatements, see Section 6.2. Referenced Documents2.1 ASTM Standards:2D235 Specification for Min
37、eral Spirits (Petroleum Spirits)(Hydrocarbon Dry Cleaning Solvent)D244 Test Methods and Practices for Emulsified AsphaltsD1796 Test Method for Water and Sediment in Fuel Oils bythe Centrifuge Method (Laboratory Procedure) (APIMPMS Chapter 10.6)D4006 Test Method for Water in Crude Oil by Distillation
38、(API MPMS Chapter 10.2)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 and Petroleum Product
39、s (API MPMS Chap-ter 8.3)E123 Specification forApparatus for Determination of Waterby Distillation2.2 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)MP
40、MS Chapter 8.3 Mixing and Handling of Liquid Samplesof Petroleum and Petroleum Products (ASTM PracticeD5854)MPMS Chapter 10.2 Determination of Water in Crude Oil bythe Distillation Method (ASTM Test Method D4006)1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products a
41、nd Lubricants and the API Committee on PetroleumMeasurement, and is the direct responsibility of Subcommittee D02.02 /COMQ, thejoint ASTM-API Committee on Hydrocarbon Measurement for Custody Transfer(Joint ASTM-API).Current edition approved May 1, 2013. Published July 2013. Originally approvedin 192
42、1. Last previous edition approved in 2010 as D95 05 (2010). DOI:10.1520/D0095-13E01.2For 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 p
43、age 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*A Summary of Changes section appears at the end of this standard1MPMS Chapter 10.6 Test Method for Water and
44、Sediment inFuel Oils by the Centrifuge Method (Laboratory Proce-dure) (ASTM Test Method D1796)3. Terminology3.1 Definitions:3.1.1 bituminous material, nin petroleum technology,ablack or dark-colored very viscous liquid or semi-solid com-posed principally of high molecular weight condensedaromatic, o
45、r naphthenic compounds, or both.4. Summary of Test Method4.1 The material to be tested is heated under reflux with awater-immiscible solvent, which co-distills with the water inthe sample. Condensed solvent and water are continuouslyseparated in a trap, the water settling in the graduated sectionof
46、the trap and the solvent returning to the still.5. Significance and Use5.1 Aknowledge of the water content of petroleum productsis important in the refining, purchase, sale, and transfer ofproducts.5.2 The amount of water as determined by this test method(to the nearest 0.05 or 0.1 volume %, dependi
47、ng on the trapsize used) may be used to correct the volume involved in thecustody transfer of petroleum products and bituminous mate-rials.5.3 The allowable amount of water may be specified incontracts.6. Solvent-Carrier Liquid6.1 A water-immiscible solvent-carrier liquid that is mis-cible in the ma
48、terial being tested (see Table 1) shall be used.6.1.1 Aromatic SolventThe following aromatic solventsare acceptable:6.1.1.1 Industrial Grade Xylene(WarningFlammable.Vapor harmful.)6.1.1.2 Ablend of 20 volume % industrial grade toluene and80 volume % industrial grade xylene. (WarningFlammable.Vapor h
49、armful.)6.1.1.3 Petroleum Naphtha or Coal Tar Naphtha, free ofwater, yielding not more than 5% distillates at 125C (257F)and not less than 20% at 160C (320F) and with a relativedensity (specific gravity) not lower than 0.8545 at 15.56/15.56C (60/60F). (WarningExtremely flammable. Harm-ful if inhaled. Vapors may cause fire.)6.1.2 Petroleum Distillate SolventA petroleum distillatesolvent containing at least 2% (V/V) aromatics and with aninitial boiling point (IBP) greater than 80C (176F); and afinal boiling point (FBP) below 250C (482F) shall be used.NOTE 3Exa
