ASTM D6602-03
(Practice)Standard Practice for Sampling and Testing of Possible Carbon Black Fugitive Emissions or Other Environmental Particulate, or Both
Standard Practice for Sampling and Testing of Possible Carbon Black Fugitive Emissions or Other Environmental Particulate, or Both
SCOPE
1.1 This practice covers sampling and testing for distinguishing carbon black from other environmental particulates.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.4 This practice requires some degree of expertise on the part of the microscopist. For this reason, the microscopist must have adequate training and substantial one-the-job experience in identifying the morphological parameters of carbon black.
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Designation: D 6602 – 03
Standard Practice for
Sampling and Testing of Possible Carbon Black Fugitive
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Emissions or Other Environmental Particulate, or Both
This standard is issued under the fixed designation D 6602; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.2 Aciniform Carbon—colloidal carbon having a mor-
phology consisting of spheroidal primary carbon particles
1.1 This practice covers sampling and testing for distin-
fused together in aggregates of colloidal dimension in a shape
guishing ASTM type carbon black, in the N100 to N900 series,
like grape clusters, where the primary particles are comprised
from other environmental particulates.
of turbostratic layers.
1.2 The values stated in SI units are to be regarded as
3.1.3 carbon black—a submicron black carbon powder
standard. The values given in parentheses are for information.
commercially produced under controlled conditions by burning
1.3 This standard may involve hazardous materials, opera-
hydrocarbons in insufficient air; it is composed of colloidal
tions, and equipment. This standard does not purport to
carbon of well-defined acinoform morphology (see Annex A1)
address all of the safety concerns, if any, associated with its
with a minimum of tars and other extraneous materials.
use. It is the responsibility of the user of this standard to
3.1.4 chain of custody—a document describing the condi-
establish appropriate safety and health practices and deter-
tion of a sample during its collection, analysis, and disposal.
mine the applicability of regulatory limitations prior to use.
3.1.5 char—a particulate larger than 1 μm made by incom-
1.4 This practice requires some degree of expertise on the
plete combustion which may not deagglomerate or disperse by
part of the microscopist. For this reason, the microscopist must
ordinary techniques, may contain material which is not black,
have adequate training and substantial on-the-job experience in
and may contain some of the original material’s cell structure,
identifying the morphological parameters of carbon black. In
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minerals, ash, cinders, and so forth.
support of this analysis, Donnet’s book is highly recom-
3.1.6 fugitive dust—transitory, fleeting material comprised
mended to be used as a technical reference for recognizing and
of particulates foreign to the surface of deposition.
understanding the microstructure of carbon black.
3.1.7 fungus, sooty mold, mildew—particulates from a su-
2. Referenced Documents perficial growth that grows on living and decaying organic
matter.
2.1 ASTM Standards:
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3.1.8 mineral and urban dust—airborne, naturally occurring
D 1619 Test Methods for Carbon Black—Sulfur Content
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inorganic particulates inherent to the area.
D 3053 Terminology Relating to Carbon Black
3.1.9 pollen—particulates from a mass of microspores in a
D 3849 Test Method for Carbon Black—Morphological
seed plant.
Characterization of Carbon Black Using Electron Micros-
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3.1.10 rubber dust—finely divided soft particulates abraded
copy
from rubber.
3. Terminology
3.1.11 sample—a small fractional part of a material or a
specified number of objects that are selected for testing,
3.1 Definitions of Terms Specific to This Standard:
inspection, or specific observations of particular characteris-
3.1.1 aciniform—shaped like a cluster of grapes.
tics.
3.1.12 soot—a submicron black powder generally produced
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This practice is under the jurisdiction of ASTM Committee D24 on Carbon
as an unwanted by-product of combustion or pyrolysis. It
Black and is the direct responsibility of Subcommittee D24.81 on Carbon Black
consists of various quantities of carbonaceous and inorganic
Microscopy and Morphology.
solids in conjunction with adsorbed and occluded organic tars
Current edition approved Jan. 10, 2003. Published February 2003. Originally
approved in 2000. Last previous edition approved in 2002 as D 6602–02. and resins.
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Hess, W.M. and Herd, C.R., Carbon Black Science and Technology, Edited by
3.1.12.1 Discussion—The carbonaceous portion also is col-
Donnet, J.B., Bansal, R.C., and Wang, M.J., Marcel Dekker, Inc., New York, NY,
loidal and often has the acinoform morphology. Soot may have
1993, pp. 89–173.
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several carbon morphologies. Examples of soot are carbon
Annual Book of ASTM Standards, Vol 09.01.
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