ASTM E727/E727M-08(2020)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E727/E727M − 08 (Reapproved 2020)
Standard Test Methods for
Determining Bulk Density of Granular Carriers and Granular
Pesticides
This standard is issued under the fixed designation E727/E727M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope granular pesticide products, but need not be limited to these
materials. There may be more appropriate test methods for
1.1 Thesetestmethodsareusedtodeterminebulkdensityof
other types of granular carriers or pesticide products. The
granular carriers and granular pesticides by measuring either
differences in the following test methods are slight, but they
free-fall bulk density (Test MethodA) or loose-fill bulk density
offer a choice of a recognized test procedure.
(Test Method B).
4. Hazards
1.2 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
4.1 Before testing granular pesticides, read the precaution-
each system may not be exact equivalents; therefore, each
ary statements on the product label. Take proper precautions to
system shall be used independently of the other. Combining
prevent skin contact and inhalation of the fines and vapors.
values from the two systems may result in nonconformance
Take care to prevent contamination of the surrounding area.
with the standard.
Always wear the appropriate safety equipment and, where
indicated, wear respiratory devices approved by NIOSH for the
1.3 This standard does not purport to address all of the
product being tested.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Summary of Test Method A—Free-Fall Bulk Density
priate safety, health, and environmental practices and deter-
5.1 A tared 500-mL cylinder is filled with the granular
mine the applicability of regulatory limitations prior to use.
carrier or granular pesticide. The weight of the sample is
For specific hazard statements see Section 4.
measured and the bulk density calculated in pounds per cubic
1.4 This international standard was developed in accor-
foot or kilograms per cubic meter.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
6. Apparatus
Development of International Standards, Guides and Recom-
6.1 Balance, sensitivity of 1 g.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6.2 Cylinder, graduated, capacity 500 mL. The cylinder
should be calibrated at the 500-mL mark by using 499 g water
2. Referenced Documents
at 20°C.The cylinder is cut off at the 500-mLmark and ground
2.1 ASTM Standards: smooth.
E725 Test Method for Sampling Granular Carriers and
6.3 Funnel, powder, 152 mm [6 in.] in diameter at the top,
Granular Pesticides
bottom stem opening of 25-mm [1-in.] diameter, and sides
having a slope of approximately 60°.
3. Significance and Use
6.4 Spatula, large with 51-mm [2-in.] wide blade.
3.1 These test methods were designed principally for clay,
corncob, nut shell, paper-based or sand granular carriers, and
6.5 Beaker, glass, metal, or plastic, 600-mL capacity.
6.6 Pan, metal or plastic, 203 mm [8 in.] in diameter with
These test methods are under the jurisdiction of ASTM Committee E35 on
51-mm [2-in.] sides to collect overflow of cylinder.
Pesticides, Antimicrobials, and Alternative Control Agents and are the direct
responsibility of Subcommittee E35.22 on Pesticide Formulations and Delivery
6.7 Ring Stand and Ring Clamp.
Systems.
Current edition approved Dec. 1, 2020. Published March 2021. Originally 7. Procedure
ɛ1
approved in 1980. Last previous edition approved in 2013 as E727 – 08(2013) .
7.1 Weigh the 500-mLgraduated cylinder and place it in the
DOI: 10.1520/E0727_E0727M-08R20.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or overflow pan.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.2 Support the funnel on a ring which is then affixed to a
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. ring stand such that the top of the funnel is horizontal and
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E727/E727M − 08
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