1、Designation:D304209Standard Test Method forInsoluble Residue in Carbonate Aggregates1This standard is issued under the fixed designation D3042;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 pare
2、ntheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers determination of the percentageof insoluble residue in carbonate aggregates using hydrochloricacid solution to react the carbonat
3、es.1.2 The values stated in SI units are to be regarded asstandard.Regarding sieves,per Specification E11,“The valuesstated in SI units shall be considered standard for the dimen-sions of the wire cloth openings and the diameter of the wiresused in the wire cloth.The values stated in inch-pound unit
4、sshall be considered standard with regard to the sieve frames.”When sieve mesh sizes are referenced,the alternate inch-pounddesignations are provided for information purposes and en-closed in parentheses.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with i
5、ts 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.Specific precautionstatements are given in Section 7.2.Referenced Documents2.1 ASTM Standards:2C136 Test Method fo
6、r Sieve Analysis of Fine and CoarseAggregatesC294 Descriptive Nomenclature for Constituents of Con-crete AggregatesC670 Practice for Preparing Precision and Bias Statementsfor Test Methods for Construction MaterialsD3666 Specification for Minimum Requirements for Agen-cies Testing and Inspecting Roa
7、d and Paving MaterialsD4753 Guide for Evaluating,Selecting,and Specifying Bal-ances and Standard Masses for Use in Soil,Rock,andConstruction Materials TestingE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Significance and Use3.1 The amount and size distribution of noncarbonate(in-
8、soluble)material in carbonate aggregates is of interest to thoseconducting research on the polish susceptibility of stone usedin pavements or on the friction properties of pavement sur-faces.In addition,some agencies utilize the test for acceptancepurposes to delineate carbonate aggregates that poli
9、sh exces-sively and become slippery and those that will not.NOTE1The quality of the results produced by this standard aredependent upon the competence of the personnel performing the proce-dure and the capability,calibration,and the maintenance of the equipmentused.Agencies that meet the criteria of
10、 Practice D3666 are generallyconsidered capable of competent and objective testing/sampling/inspection/etc.Users of this standard are cautioned that compliance withPractice D3666 alone does not completely assure reliable results.Reliableresults depend on many factors:following the suggestions of Pra
11、cticeD3666 or similar acceptable guideline provides a means of evaluating andcontrolling some of those factors.4.Apparatus4.1 Sieves,U.S.standard 8-in.diameter,conforming toSpecification E11 in the following sizes:9.5-mm(38-in.)4.75-mm(No.4)2.36-mm(No.8)1.18-mm(No.16)600-m(No.30)300-m(No.50)150-m(No
12、.100)75-m(No.200)4.2 BalanceA balance having a minimum capacity of 15kg and meeting the requirements of Specification D4753,ClassGP5.4.3 Oven,of appropriate size capable of being maintained at110 6 5C.4.4 Agitation Equipment,such as a jar mill or a magneticstirrer.4.5 Bunsen Burner or Hot Plate.4.6
13、Receiving Tank,of nonreactive material to receive washwater and residue washed through the 8-in.diameter sieves.4.7 Rapid Filter Paper,acid-resistant.4.8 Safety Eyeglasses,Rubber Gloves,Aprons,and so forth.1This test method is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials
14、and is the direct responsibility of Subcommittee D04.51 onAggregate Tests.Current edition approved June 1,2009.Published June 2009.Originallyapproved in 1972.Last previous edition approved in 2003 as D3042 03.DOI:10.1520/D3042-09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orc
15、ontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.9 Borosilicate Glass Con
16、tainers,for performing acidleaching test.4.10 pH Paper or pH Meter.5.Reagent5.1 Purity of ReagentsReagent grade chemicals shall beused in all tests.Unless otherwise indicated,it is intended thatall reagents shall conform to the specifications of the Commit-tee on Analytical Reagents of the American Chemical Society,where such specifications are available.3Use of other grades ispermitted,provided it is first ascertained that the reagent is ofsufficiently high purity to permit its use without less
