ASTM E1521-01

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Designation:E1521–01
Standard Test Method for
1
Liquid Holding Capacity of Granular Carriers
This standard is issued under the fixed designation E 1521; 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 4.6 Balance, accurate to 60.1 g.
1.1 This test method is used to determine the liquid holding
5. Safety Precautions
capacity (LHC) of granular carriers.
5.1 Before testing, read the precautionary statements on the
1.2 The values stated in either SI or inch-pound units are to
product label and material safety data sheet. Take proper
be regarded as standard. The values given in parentheses are
precautions to prevent skin contact and inhalation of the fines
for information only.
and vapors. Take care to prevent contamination of the sur-
1.3 This standard does not purport to address all of the
rounding area. Always wear the appropriate safety equipment
safety concerns, if any, associated with its use. It is the
and, where indicated, wear respiratory devices approved by
responsibility of the user of this standard to establish appro-
NIOSH for the product being tested.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. For specific
6. Procedure
precautionary statements, see Section 5.
6.1 Weigh 7.0 6 0.1 g of granular carrier for LHC deter-
mination into a 29.6-mL glass bottle.
2. Summary of Test Method
6.2 From a buret, add a suitable fluid as follows: 0.5-mL
2.1 Incremental amounts of suitable fluids are added to a
incrementsuntil2.0mLisreached,orthecarriermeetsoneend
known weight of granular carrier. The point at which the
point conditions. Shake between increments by hand or me-
granules stick to the sides of the container allows calculation of
chanical shaker until completely absorbed. (A few sharp taps
the LHC.
with the heel of the hand may be necessary to break up a
3. Significance and Use saturated portion.) Shaking should not exceed 2 min.
6.3 After the first 2.0 mL is added, decrease the increments
3.1 This test method has been designed principally for
to 0.2 mL and proceed as described in 6.2 until the end point
granular carriers with LHC greater than 5.0%. The incremental
is reached. The end point is indicated by two or more of the
amount of suitable fluid added can be adjusted down as needed
following:
for carriers with LHC less than 5.0%.
6.3.1 Carrier darkens or appears wet.
3.2 This test method is applicable to granules in the range
6.3.2 Granules cease to be free flowing.
from 4 to 100 mesh (4.75 to 0.150 mm).
6.3.3 Granules stick to sides of bottle.
4. Apparatus and Reagents
6.3.4 Granules stick to bottom of bottle when inverted
slowly.
4.1 Buret Stand.
6.4 An al
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