1、Designation:D 2606 94(Reapproved 2000)Standard Test Method forSolubility of Pentachlorophenol in Heavy HydrocarbonSolvents1,2This standard is issued under the fixed designation D 2606;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,t
2、he year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination of the solu-bility of pentachlorophenol wood preservative in heavy hy
3、dro-carbon solvent.1.2 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 to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use
4、.2.Referenced Documents2.1 ASTM Standards:D 86 Test Method for Distillation of Petroleum Products3D 2085 Test Method for Determining Chloride Used inCalculating Pentachlorophenol in Solutions or Wood(Lime Ignition Method)42.2AWPA Standards:5P8 77 Standards for Oil-Borne PreservativesP9 77 Standard f
5、or Solvents for Organic PreservativeSystems3.Summary of Test Method3.1 Aweighed amount of hydrocarbon solvent,or a residualfraction thereof,at a specified temperature,is observed forundissolved pentachlorophenol.4.Significance and Use4.1 This is a test to determine that the solvent has sufficientsol
6、ubility for pentachlorophenol to ensure it will remain insolution during treating process and in the treated wood.5.Procedure5.1 Add 10 g(60.1 g)of pentachlorophenol to 90 g(61.0g)of hydrocarbon and maintain the mixture at 150F(65.5C)with constant stirring for 30 min.If there is visual evidence ofun
7、dissolved pentachlorophenol remaining at the end of theheating period,regard the petroleum as nonconforming.5.2 If there is no evidence of undissolved pentachlorophenoland in cases of doubt,cool the solution to 75F(24C)andmaintain it at this temperature for 4 h.During the first 2 h,stirthe solution
8、at intervals of 15 min.During the last 2 h,permitit to stand undisturbed to allow any undissolved pentachlo-rophenol to settle to the bottom.If a centrifuge is available,thesolution may be centrifuged for 10 min as an alternative for thefinal 2-h period.In either case,a sample of the solution shall
9、beremoved from the supernatant liquid and analyzed by TestMethod D 2085.5.3 Add 6 g(60.1 g)of technical pentachlorophenol(AWPA P8)to the Hydrocarbon Solvent Type A(AWPA P9)fraction undistilled above 500F from a 100-mL Method D 86distillation,and maintain the mixture at 150F with constantstirring for
10、 30 min.After mixing,continue with the testprocedure as in 5.1.5.4 When it is desired to test the maximum solvency of aHydrocarbon Solvent TypeA,prepare a gradient series of pentasolutions in 1%concentration intervals spanning the range ofanticipated solvency.When the approximate solvency is esti-ma
11、ted using the method in 5.1,if desired,prepare anotherseries to determine the solvency to the nearest 0.1%bypreparing solutions in 0.1%concentration intervals and pro-ceed as in 5.1.6.Keywords6.1 hyrdrocarbon solvent;pentachlorophenol1This test method is under the jurisdiction of ASTM Committee D-7
12、on Woodand is the direct responsibility of Subcommittee D07.06 on Treatments for WoodProducts.Current edition approved July 15,1994.Published September 1994.Originallypublished as D 2604 67.Last previous edition D 2604 86(1992)e1.2This test method is essentially the same as Paragraph 4,“Determinatio
13、n ofPentachlorophenol Solvency in Petroleum”of the American Wood-PreserversAssociation Standard A 5 91,“Standard Methods for Analysis of Oil Preserva-tives.”3Annual Book of ASTM Standards,Vol 05.01.4Annual Book of ASTM Standards,Vol 04.10.5Available from the American Wood-Preservers Assn.,P.O.Box 28
14、6,Wood-stock,MD 21163-0286.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this stan
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