ASTM_D_5654_-_95_2000.pdf

Designation:D 5654 95(Reapproved 2000)Standard Specification forAmmoniacal Copper Quat Type B(ACQ-B)11,2This standard is issued under the fixed designation D 5654;the number immediately following the designation 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(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers ammoniacal copper quat TypeB(ACQ-B)solution for use in the preservative treatment ofwood.2.Referenced Documents2.1 ASTM Standards:D 5584 Test Methods for Chemical Analysis of Ammonia-cal Copper Quat,Type B(ACQ-B)32.2American Wood Preservers Association(AWPA)Stan-dard:AWPA P5 Standards for Waterborne Preservatives43.Composition and Properties3.1 The ingredients of ammoniacal copper quat(ACQ-B)solution shall be present in the following proportions,subjectto the tolerances listed in 3.3.%byweightCopper,calculated as CuO66.7Quat as didecyldimethylammonium chloride(DDAC)33.33.2 The ingredients listed in 3.1 shall be dissolved in anaqueous solution of ammonia(NH3).The weight of ammoniacontained in a treating solution shall be at least 1.0 times theweight of copper oxide.To aid in solution,it is also necessarythat the treating solution contain carbonate anions,such asfrom ammonium bicarbonate.The amount of carbonate,ex-pressed as CO2,shall be at least 0.65 times the amount ofcopper oxide.3.3 The composition of the preservative present in a treatingsolution may vary within the following limits(see 3.4):%,min%,maxCopper as CuO62.071.0Quat as DDAC29.038.03.4 The composition of treating solution may deviate out-side the limits specified in 3.3 provided that:(1)the preserva-tive retention is determined by assay and that the retention sodetermined conforms to the following minimum active ingre-dient levels as outlined in Table 1;and(2)immediate action istaken to adjust the composition of the treating solution.3.5 The treating solution shall contain bivalent copper andquaternary ammonium compound derived from compounds inexcess of 95%purity on an anhydrous basis.4.Chemical Analysis4.1 The material shall be analyzed in accordance with TestMethods D 5584.5.Keywords5.1 ACQ-B;ammoniacal copper quat;preservative1This specification is under the jurisdiction of ASTM Committee D-7 on Woodand is the direct responsibility of Subcommittee D07.06 on Treatments for WoodProducts.Current edition approved Jan.15,1995.Published March 1995.2This specification is identical in substance with the Standards for ACQ-B inSection 13 of the American Wood Preservers Association Standards for Water-borne Preservatives(P5-92).3Annual Book of ASTM Standards,Vol 04.10.4Available from American Wood Preservers Assoc.,P.O.Box 286,Woodstock,MD 21163.1Copyright 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 standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard is copyrighted by ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(www.astm.org).TABLE 1 Minimum Retention of Individual ComponentsACQ-B Retentionas Specified,pcfCopper as CuOQuat,ActiveSum,min0.250.130.070.250.400.210.110.400.600.320.160.600.800.420.220.801.00.530.271.0D 56542