1、Designation:F30209(Reapproved 2015)Standard Practice forField Sampling of Aerospace Fluids in Containers1This standard is issued under the fixed designation F302;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revisi
2、on.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers field sampling of fluids fromhermetically sealed containers and other fluid containers of208-L volume maximum.It ma
3、y be utilized at manufacturing,storage,or use levels for obtaining representative fluid samplesfor chemical,physical,or particulate matter determinations.1.2 Use of this practice depends upon variables such as fluidtoxicity,restrictive fluid odors,fluid flammability,and so forth.It is suitable for m
4、ost hydraulic fluids;however,care should beexercised in determining compatibility before use.21.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,asso
5、ciated 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.For hazardstatement,see 6.5.1.2.Referenced Documents2.1 ASTM Standards:3D1193 Specification for Reage
6、nt WaterD1836 Specification for Commercial HexanesD2021 Specification for Neutral Detergent,40 PercentAlky-lbenzene Sulfonate Type(Withdrawn 2000)4D4898 Test Method for Insoluble Contamination of Hydrau-lic Fluids by Gravimetric AnalysisF311 Practice for Processing Aerospace Liquid Samples forPartic
7、ulate Contamination Analysis Using Membrane Fil-tersF314 Methods of Test for Identification of Metallic andFibrous Contaminants in Aerospace Fluids(Withdrawn1990)43.Summary of Practice3.1 The minimum requirements for container agitation,sample withdrawal,and sample transfer are given in thispractice
8、.Precautions to ensure sampling reliability are in-cluded in the procedure to the extent required by normalprocessing conditions.The procedure involves agitating thecontainer,withdrawing with a suitable instrument capable ofcreating a vacuum,a predetermined quantity of fluid,andimmediately transferr
9、ing it to a vessel,properly identified,tohold for analysis by a stipulated method.4.Significance and Use4.1 Samples obtained by use of this practice are intended forprocessing in accordance with Practice F311,Test MethodD4898,and Test Method F314,and other chemical or physicalmethods of analysis.5.A
10、pparatus5.1 Pipet,volumetric transfer or equivalent rubber-bulbtype.A taper-jointed type,as shown in Fig.1,560 mm long,calibrated to deliver 100 mL at 20C,is also acceptable.Thistype provides for ease of maintenance by being separable at themidpoint of the bulb.NOTE1The volume capacities selected fo
11、r the pipet and samplebottles shall be as required for the sample volume desired.Normally a 1006 5-mL sample is standard,which would require a capacity of approxi-mately 125 mL.Unless otherwise indicated,it is intended that a samplevolume of 100 6 5 mL be used for accomplishing the methods definedhe
12、rein.5.2 Bottles,sample,wide-mouth type(Note 1).5.3 Solvent Filtering DispenserAn apparatus to dispense astream of 2.0 m or finer membrane-filtered fluid.5.4 Vinylidene Chloride,Polyethylene Terephthalate,orPolyamide Sheet,0.1 mm(4-mil)min.5.5 Beverage Can Opener(Unplated),sharpened,deburred.1This p
13、ractice is under the jurisdiction of ASTM Committee E21 on SpaceSimulation and Applications of Space Technology and is the direct responsibility ofSubcommittee E21.05 on Contamination.Current edition approved May 1,2015.Published June 2015.Originallyapproved in 1965.Last previous edition approved in
14、 2009 as F302 2009.DOI:10.1520/F0302-09R15.2Where a special environment is required,a Proposed Laboratory Method forSampling Aerospace Fluids in Containers is under development in the committee.For further information write to B.R.Hall,American Petroleum Institute,1220 LSt.,N.W.,Washington,D.C.20005
15、.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referen
16、ced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Reagents6.1 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.5Other grades may beused,provided it is first ascertained that the reagent is of