1、Designation:C128514Standard Test Methods forDetermining Chemical Durability of Nuclear,Hazardous,andMixed Waste Glasses and Multiphase Glass Ceramics:TheProduct Consistency Test(PCT)1This standard is issued under the fixed designation C1285;the number immediately following the designation indicates
2、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()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These product consistency test methodsAand B providea m
3、easure of the chemical durability of homogeneous glasses,phase separated glasses,devitrified glasses,glass ceramics,multiphase glass ceramic waste forms,or combinationsthereof,hereafter collectively referred to as“glass wasteforms”by measuring the concentrations of the chemicalspecies released to a
4、test solution under carefully controlledconditions.1.1.1 Test Method A is a seven-day chemical durability testperformed at 90 6 2C in a leachant of ASTM-Type I water.The test method is static and conducted in stainless steelvessels.The stainless steel vessels require a gasket to remainleak-tight.2Th
5、e stainless steel vessels are considered to be“closed system”tests.Test Method A can specifically be usedto evaluate whether the chemical durability and elementalrelease characteristics of nuclear,hazardous,and mixed glasswaste forms have been consistently controlled during produc-tion.This test met
6、hod is applicable to radioactive and simu-lated glass waste forms as defined above.1.1.2 Test Method B is a durability test that allows testing atvarious test durations,test temperatures,particle size andmasses of glass sample,leachant volumes,and leachant com-positions.This test method is static an
7、d can be conducted instainless steel or PFA TFE-fluorocarbon vessels.The stainlesssteel vessels are considered to be“closed system”while thePFA TFE-fluorocarbon vessels are considered to be“opensystem”tests.Test Method B can specifically be used toevaluate the relative chemical durability characteri
8、stics ofhomogeneous glasses,phase separated glasses,devitrifiedglasses,glass ceramics,or multiphase glass ceramic wasteforms,or combinations thereof.This test method is applicableto radioactive(nuclear)and mixed,hazardous,and simulatedglass waste forms as defined above.Test Method B cannot beused as
9、 a consistency test for production of high levelradioactive glass waste forms.1.2 These test methods must be performed in accordancewith all quality assurance requirements for acceptance of thedata.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are incl
10、uded in thisstandard.1.4 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 u
11、se.2.Referenced Documents2.1 ASTM Standards:3C92 Test Methods for Sieve Analysis and Water Content ofRefractory MaterialsC162 Terminology of Glass and Glass ProductsC169 Test Methods for Chemical Analysis of Soda-Limeand Borosilicate GlassC225 Test Methods for Resistance of Glass Containers toChemic
12、al AttackC371 Test Method for Wire-Cloth Sieve Analysis of Non-plastic Ceramic PowdersC429 Test Method for Sieve Analysis of Raw Materials forGlass ManufactureC693 Test Method for Density of Glass by BuoyancyC859 Terminology Relating to Nuclear MaterialsC1109 Practice for Analysis of Aqueous Leachat
13、es fromNuclear Waste Materials Using Inductively CoupledPlasma-Atomic Emission Spectroscopy1These test methods are under the jurisdiction of ASTM Committee C26 onNuclear Fuel Cycle and are the direct responsibility of Subcommittee C26.13 onSpent Fuel and High Level Waste.Current edition approved Jan
14、.1,2014.Published April 2014.Originallyapproved in 1994.Last previous edition approved in 2008 as C1285 02(2008).DOI:10.1520/C1285-14.2TFE-fluorocarbon gaskets,available commercially,are acceptable and chemi-cally inert up to radiation doses of 1 105R of beta or gamma radiation which havebeen shown
15、not to damage TFE-fluorocarbon.If higher radiation doses areanticipated,special gaskets fabricated from metals such as copper,gold,lead,orindium are recommended.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of AS
16、TMStandards 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 C1174 Practice for Prediction of the Long-Term Behavior ofMaterials,Including Waste Forms,Used in EngineeredBarrier Systems(EBS)for Geological Disposal of High-Level Radioactive WasteC1220 Test Method for Static Leaching of Monolithic WasteForms for Disposal of Radioactive WasteC1463 Practices