1、Designation:D660213Standard Practice forSampling and Testing of Possible Carbon Black FugitiveEmissions or Other Environmental Particulate,or Both1This standard is issued under the fixed designation D6602;the number immediately following the designation indicates the year oforiginal adoption or,in t
2、he 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 This practice covers sampling and testing for distin-guishingASTM type carbon black,in the
3、N100 to N900 series,from other environmental particulates.1.2 This practice requires some degree of expertise on thepart of the microscopist.For this reason,the microscopist musthave adequate training and on-the-job experience in identifyingthe morphological parameters of carbon black and generalkno
4、wledge of other particles that may be found in the envi-ronment.In support of this analysis,Donnets book2is highlyrecommended to be used as a technical reference for recogniz-ing and understanding the microstructure of carbon black.1.3 The values stated in SI units are to be regarded asstandard.No o
5、ther units of measurement are included in thisstandard.1.4 This standard may involve hazardous materials,operations,and equipment.This standard does not purport toaddress all of the safety concerns,if any,associated with itsuse.It is the responsibility of the user of this standard toestablish approp
6、riate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3D1619 Test Methods for Carbon BlackSulfur ContentD3053 Terminology Relating to Carbon BlackD3849 Test Method for Carbon BlackMorphologicalCharacterizati
7、on of Carbon Black Using Electron Micros-copy3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 aciniformshaped like a cluster of grapes.3.1.1.1 DiscussionThe spheroidal primary particles ofcarbon black are fused into aggregates of colloidal dimensionforming an acinoform morpholog
8、y.3.1.2 aciniform carboncolloidal carbon having a mor-phology consisting of spheroidal primary particles(nodules)fused together in aggregates of colloidal dimension in a shapehaving grape-like clusters or open branch-like structures3.1.3 carbon black,nan engineered material,primarilycomposed of elem
9、ental carbon,obtained from the partialcombustion or thermal decomposition of hydrocarbons,exist-ing in the form of aggregates of aciniform morphology whichare composed of spheroidal primary particles characterized byuniformity of primary particle sizes within a given aggregateand turbostratic layeri
10、ng within the primary particles.3.1.3.1 DiscussionParticle size and aggregate size(num-ber of particles per aggregate)are distributional properties andvary depending on the carbon black grade.Transmissionelectron micrographs shown in Annex A2 demonstrate thatwhile particle and aggregate sizes vary g
11、reatly within a givengrade of carbon black,the primary particle size is essentiallyuniform within an individual aggregate.3.1.4 chain of custodya document describing the condi-tion of a sample during its collection,analysis,and disposal.3.1.5 chara particulate larger than 1 m made by incom-plete com
12、bustion which may not deagglomerate or disperse byordinary techniques,may contain material which is not black,and may contain some of the original materials cell structure,minerals,ash,cinders,and so forth.3.1.6 fugitive dusttransitory,fleeting material comprisedof particulates foreign to the surfac
13、e of deposition.3.1.7 fungus,sooty mold,mildew,biofilmparticulates froma superficial growth that grows on living and decaying organicmatter.3.1.8 mineral dustnaturally occurring inorganic particu-lates inherent to the area such as soil minerals.3.1.9 pollenparticulates from a mass of microspores in
14、aseed plant.1This practice is under the jurisdiction of ASTM Committee D24 on CarbonBlack and is the direct responsibility of Subcommittee D24.66 on Environment,Health,and Safety.Current edition approved Nov.1,2013.Published December 2013.Originallyapproved in 2000.Last previous edition approved in
15、2010 as D6602 03b(2010)1.DOI:10.1520/D6602-13.2Hess,W.M.and Herd,C.R.,Carbon Black Science and Technology,Edited byDonnet,J.B.,Bansal,R.C.,and Wang,M.J.,Marcel Dekker,Inc.,New York,NY,1993,pp.89173.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at
16、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 3.1.10 rubber dustfinely divided soft particulates abradedfrom rubber.3.1.11 samplea small fractional part of a material or aspecified number of objects that are selected for testing,inspection,or specific observations of particular characteris-tics.3.1.12 s
