ASTM_D_5294_-_92_scan.pdf

ASTM D5294 92 0759530 0533746 424 m)Designation:D 5294-92 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1918 RaceSt Philadelphia,Pa 19103 If not l i s t e d in the current c o m b i n e d index,w N I appear In the m x t edition.Reprinted f r o m the Annual Book of ASTM Standards.Copyright ASTM Standard Test Method for Determination of Beta Resins (BR)in Pitch This standard is issued under the fixed designation D 5294;the number immediately following the designation indicates the year or superscript epsilon(6)indicates an editorial change since the last revision or reapproval.original adoption or,in the case of revision.the year of last revision.A number in parentheses indicates the year of last reapproval.A 1.Scope 1.1 This est method coven the determination of beta resin(BR)in tar and pitches.1.2 The values stated in S I units are to be regarded as the standard.The values given in parentheses are for informa-tion only.1.3 This standard does not purport to address all ofthe safity problems,any,associated with its use.It is the responsibility ofthe user ofthis standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For specific precautionary statements,see Section 7,2.Referenced Documents 2.I ASTM Standards:D95 Test Method for Water in Petroleum Products and D 329 Specification for Acetone3 D 362 Specification for Industrial Grade Toluene3 D370 Test Method for Dehydration of Oil-Type Pre-D 23 18 Test Method for Quinoline-Insoluble(QI)Content D4296 Practice for Sampling Pitch2 D4746 Test Method for Determination of Quinoline Insolubles (QI)in Tar and Pitch by Pressure Filtration2 E 11 Specification for Wire-Cloth Sieves for Testing Bituminous Materials by Distillation2 servative of Tar and Pitch2 Purposes5 3.Summary of Test Method 3.1 The BR content of tar or pitch is defined as the toluene-insoluble (TI)content(a s determined by the proce-dure in this test method)minus the quinoline-insoluble(QI)content(as determined by Test Method D 2318 or D 4746).4.Significance and Use 4.I This test method is useful in evaluating and character-izing tar and pitch,and as one element in establishing the uniformity of shipments and sources of supply.5.Apparatus 5.1 Toluene-Insoluble(TI)Extraction Apparatus-A 400-This test method is under the jurisdiction of ASTM Committee D 8 on Roofing,Waterproofing,and Bituminous Materials and is the d i m responsibility of Subcommittee W8.17 on Industrial Pitches.Cumnt edition approved April IS,1992.Published June 1992.2 Annuul B W J C t$ASTM Standards,Vol04.04.Annual Book c$ASTM Slandards,Vol06.03.Annual Book o f ASTM SIrmdardr,Vol04.09.Annrral Book qfASTM Sanhrd?,Vol 1 4.0 3.mL flask with metal cap condenser,as shown in Fig.1.The flask is available from laboratory suppliers and must be cut to the dimensions shown in Fig.1.5.2 Toluene-Insoluble(TI)Filtration Apparatus-IOym pore size polytetrafluoroethylene filters with a filter holder and I-L vacuum flask,as shown in Fig.2.5.3 Sieves,U.S.Standard,600-1m (No.30)and 250-pm(No.60),conforming to Specification E 1 1.5.4 Heater,having a minimum capacity of 300 W per unit.A hot plate or other heaters that maintain the proper reflux rate are acceptable.6.Reagents 6.I Purity ofReagents-Reagent grade chemicals shall be used in all tests.Unless otherwise indicated,it is intended that all reagents shall conform to the specifications of the Committee on Analytical Reagents of the American Chem-ical Society,where such specifications are available.6 Other grades may be used,provided it is first ascertained that the reagent is of sufficiently high punty to permit its use without lessening the accuracy of the determination.6.2 Quinoline,refined,meeting requirements in conjunc-tion with Test Method D 23 18 or D 4746.6.3 Toluene,industrial pure,meeting the requirements of Specification D 362.6.4 Acelone,meeting the requirements of Specification D 329.6.5 Celite Analytical Filter Aid(CAFA)(Notes 1 and 2)-Dry to a constant weight at 105C and store in a tightly sealed container.NOTE I-Do not use any other grade of filter aid because filtration characteristics may differ.CAFA is manufactured only by Manville CO.and is distributed through scientific supply houses.NOTE 2-QI can also be determined by Test Method D 4746,which does not require filter aid.7.Safety Precautions 7.I This test method is to be the conducted in a laboratory fume hood due to the use of solvents.The working area must be kept free of sparks and flames.No solvent fumes should Reagent Chemicals,American Chemical Society Specifications,Am.Chem-ical Soc.,Washington,DC.For suggestions on the testing of reagents not listed by the American Chemical Socicty,see Reagent Chemicals and Standards.by Joseph Rosin,D.Van Nostrand Co.,Inc.,New York,NY,and the United States Pharmacopeia.Celite Corporation (formerly Manvillc Co.),Wayne Interchange.Plaza 11.I55 Rt.46,Wayne,NJ,07470.I NOTICE:This standard has either been superseded and