1、Designation:D117614(Reapproved 2019)Standard Practice forSampling and Preparing Aqueous Solutions of EngineCoolants or Antirusts for Testing Purposes1This standard is issued under the fixed designation D1176;the number immediately following the designation indicates the year oforiginal adoption or,i
2、n the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 Thi
3、s practice covers information on sampling and pre-paring solutions of engine coolants and antirusts(Notes 1 and2).1.2 The values stated in SI units are to be regarded asstandard.The values given in parentheses after SI units areprovided for information only and are not considered standard.1.3 This s
4、tandard 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.NOTE1Antirust
5、as referred to in this practice covers productsintended for use in automotive/light-duty and heavy-duty applications inwhich water is used as the cooling medium.NOTE2Antirust products are available in liquid and solid form.Solidsshould be handled as outlined in Annex A1.1.4 This international standa
6、rd was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referen
7、ced Documents2.1 ASTM Standards:2D1122 Test Method for Density or Relative Density ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1193 Specification for Reagent WaterD5931 Test Method for Density and Relative Density ofEngine Coolant Concentrates and Aqueous Engine Cool-ants by D
8、igital Density Meter3.Significance and Use3.1 This practice is used commonly by vehicle service orlaboratory personnel for sampling and preparing aqueoussolutions of engine coolants or antirust for further evaluationand testing.3.2 This practice shall be followed when sampling andpreparing aqueous s
9、olutions of products for evaluation inASTM test methods.3.3 Care must be taken to ensure that a representativesample of product is taken.3.4 This practice describes several different test methods.The methods to be followed should be agreed to by the supplierand the customer.4.Sampling Concentrated L
10、iquid Products4.1 When received,the material will preferably be in asealed,marked container.Allow the container to stand at roomtemperature(not below 20 C)before attempting to obtain asample.The container and its contents shall be shaken wellbefore sampling(see Note 3).Any signs of solution separati
11、onshould be noted and appropriate samples obtained by using adecanting or pipeting technique.Some samples that containmultiple phases may require the use of a separatory funnel toisolate a particular liquid layer or solids.NOTE3In the case of larger containers such as those with a nominalvolume of 2
12、0 or 200 L(5 or 55 gal),the contents should be mixedthoroughly with a stirrer for at least 5 min to ensure a homogeneousmixture.The stirrer should be capable of dispersing any separated solidsand supernatant phases without drawing air into the mixture.4.2 Remove a representative sample by pipeting o
13、r siphon-ing.5.Separation of Multiphase Products5.1 If the product contains separated solids or liquids,placea representative sample obtained as described in Section 4 in a1This practice is under the jurisdiction of ASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibi
14、lity of SubcommitteeD15.06 on Glassware Performance Tests.Current edition approved Oct.1,2019.Published October 2019.Originallyapproved in 1951.Last previous edition approved in 2014 as D117614.DOI:10.1520/D117614R19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM C
15、ustomer 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 StatesThis international standard was developed
16、 in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 separatory funnel.Stopper the funnel and allow to stand for atleast 16 h.Separate the various phases as follows:5.1.1 Remove settled liquids or solids,if present,by allow-ing them to drain out together with a minimum amount o