ASTM E873-82(1998)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: E 873 – 82 (Reapproved 1998)
Standard Test Method for
Bulk Density of Densified Particulate Biomass Fuels
This standard is issued under the fixed designation E 873; 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.
NOTE 1—Samples collected from the surface of piles are, in general,
1. Scope
unreliable because of the exposure to the environment. If necessary,
1.1 This test method covers the procedure for the determi-
collect nine increments from a foot or more below the surface at nine
nation of bulk density (or bulk specific weight) of densified
points covering the pile.
particulate biomass fuels with a maximum particle volume of
4.2 Collection of Gross Sample:
3 3
16.39 cm (1 in. ).
4.2.1 Collect increments regularly, systematically, and with
1.2 The values stated in SI units are to be regarded as the
such frequency that the entire quantity of pellets sampled will
standard. The values given in parentheses are for information
be represented proportionally in the gross sample.
only.
4.2.2 The quantity of the sample shall be large enough to be
1.3 This standard does not purport to address all of the
representative but not less than 45.45 kg (100 lb).
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Procedure
priate safety and health practices and determine the applica-
5.1 Weigh and record the empty box weight within 100 g
bility of regulatory limitations prior to use.
(0.22 lb). Fill the box by pouring from a height of 610 mm (2
ft) above the top edge of the container. Drop the box five times
2. Significance and Use
from a height of 150 mm (6 in.) on to a nonresilient surface to
2.1 The test procedures described in this test method can be
allow settling. Add additional sample and strike off the excess
used to determine the bulk density (or bulk specific weight) of
sample level with the top edge.
any densified par
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