ASTM F1632-03(2018)

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: F1632 − 03 (Reapproved 2018) An American National Standard
Standard Test Method for
Particle Size Analysis and Sand Shape Grading of Golf
Course Putting Green and Sports Field Rootzone Mixes
This standard is issued under the fixed designation F1632; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope ASTM Test Methods
E691Practice for Conducting an Interlaboratory Study to
1.1 This test method covers the determination of particle
Determine the Precision of a Test Method
size distribution of putting green and other sand-based root-
zone mixes. Particles larger than 0.05 mm (retained on a No.
3. Apparatus
270 sieve) are determined by sieving. The silt and clay
percentages are determined by a sedimentation process, using
3.1 Balance, sensitive to 0.001 g.
the pipet method. This procedure was developed for putting
3.2 Stirring Apparatus, may be either of the following
green rootzone mixes, those assumed to have sand contents of
types:
80%byweightorgreater.Particlesizeanalysisofsoilsmaybe
3.2.1 For MethodA—An Electric Mixer, made for mechani-
performed by this test method or Test Method D422. This test
cal mixing of soils, or
method also describes a qualitative evaluation of sand particle
3.2.2 For Method B—A Horizontal Reciprocating Shaker,
shape.
with holder for 250 mL flasks or bottles.
1.2 This standard does not purport to address all of the
3.3 Sedimentation Cylinder, a glass cylinder marked for a
safety concerns, if any, associated with its use. It is the
volume of 1000 mL. The height of the 1000 mL must be
responsibility of the user of this standard to establish appro-
36 62 cm from the bottom on the inside.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
3.4 Thermometer, accurate to 0.5°C.
1.3 This international standard was developed in accor-
3.5 Pipet Rack, a device for lowering a pipet to a precise
dance with internationally recognized principles on standard-
depth in the sedimentation cylinder.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- 3.6 Pipets,Lowyorotherwidetippedtype,25mLcapacity.
mendations issued by the World Trade Organization Technical
3.7 Weighing Bottles or Beakers, glass with a capacity of
Barriers to Trade (TBT) Committee.
100 mL.
2. Referenced Document 3.8 Sieves, square mesh with woven wire (brass or stainless
2 steel). The sieves shall conform to the requirements of Speci-
2.1 ASTM Standards:
fication E11. A full set of sieves shall include the following:
D422Test Method for Particle-SizeAnalysis of Soils (With-
3.8.1 No. 10—2 mm,
drawn 2016)
3.8.2 No. 18—1 mm,
E11Specification forWovenWireTest Sieve Cloth andTest
3.8.3 No. 35—500 µm,
Sieves
3.8.4 No. 60—250 µm,
E177Practice for Use of the Terms Precision and Bias in
3.8.5 No. 100—149 µm,
3.8.6 No. 140—105 µm, and
This test method is under the jurisdiction ofASTM Committee F08 on Sports
3.8.7 No. 270—53 µm.
Equipment, Playing Surfaces, and Facilitiesand is the direct responsibility of
Subcommittee F08.64 on Natural Playing Surfaces.
3.9 Sieve Shaker, type that provides vertical tapping action
Current edition approved Oct. 1, 2018. Published November 2018. Originally
as well as horizontal shaking.
approved in 1995. Last previous edition approved in 2010 as F1632–03 (2010).
DOI: 10.1520/F1632-03R18.
3.10 Desiccator.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contactASTM Customer Service at service@astm.org. ForAnnual Book ofASTM
3.11 Dispersing Agent, a 5% sodium hexametaphosphate
Standards volume information, refer to the standard’s Document Summary page on
(HMP) solution, made by dissolving 50 g of reagent or
the ASTM website.
technical grade HMPin 1000 mLof distilled or demineralized
The last approved version of this historical standard is referenced on
www.astm.org. water.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1632 − 03 (2018)
3.12 Oven, capable of maintaining a temperature of 105 6 4.2.4 Transfer the dried sand to a nest of sieves. Shake the
5°C. sieves on a shaker for 5 min. Check thoroughness of sieving in
each sieve by the hand method of sieving and continue sieving
3.13 Water—shallbedistilledordemineralized,andbrought
until not more than 1 mass % of the residue on a sieve passes
to the temperature that is expected to prevail during the
that sieve during 1 min of sieving (see Test Method D422).
sedimentation process. If air temperatures are expected to
Weigh gravel [material retained on No. 10 (2 mm) sieve] and
fluctuate, cylinders should be placed in a constant temperature
each sand fraction to the nearest 0.1 g.
water bath, and the distilled or demineralized water brought to
the temperature of the water bath. 4.3 Determination of Clay (<2 µm):
4.3.1 Add distilled or demineralized water to the sedimen-
3.14 Dissecting Microscope, 25 to 50× power.
tation cylinder to bring up to the 1000 mL volume. Cover the
cylinder with waxfilm, a stopper, or watch glass. Place the
TEST METHOD 1—PROCEDURE FOR PARTICLE
cylinder into a water bath, or allow it to stand until the
SIZE ANALYSIS
temperature of the suspension is the same as the water bath or
the air temperature, respectively.
4. Procedure
4.3.2 After the temperature is constant, resuspend the silt
4.1 Dispersion of Sample:
and clay by one of the two following methods: (a) stir
4.1.1 Weigh 100 65 g of air-dried rootzone mix to the
thoroughly with a hand stirrer, using an up and down motion
nearest 0.1 g and place in mixing cup (Test MethodA) or flask
for at least 30 s; or (b) stopper the cylinder and shake end over
(Test Method B). Place a duplicate sample into a drying oven
end for 1 min.
set at 105 6 5°C for correction to oven dried basis.
4.3.3 Use Tables 1 and 2 or appropriate calculations using
4.1.2 Add100mLofdispersingagent.Stirorswirluntilthe
Stoke’s Law to determine sampling depths and times for the
rootzonemixisthoroughlywet.Allowtostandfor4h.Ifusing
suspension temperature.
Test Method B, place the flasks or bottles on the shaker and
4.3.4 Turn on the vacuum and withdraw a 25 mLsample in
shake for 16 h or overnight.
about 12 s. Rate of withdraw is important.
4.1.3 Test Method A—Add about 100 mL of water to the
4.3.5 Discharge the sample into a tared beaker or drying
mixing cup and place onto the mixer. Mix for 5 min on low
dish.
speed.
4.3.6 Towashoutanyresidualmaterialinthepipetdraw25
mLof water into the pipet, and discharge into the same drying
4.2 Determination of the Sand (2.0 to 0.05 mm) Fractions
dish.
and Gravel (material >2 mm):
4.3.7 Evaporate the water and dry the clay at 105 6 5°C.
4.2.1 PlaceataredNo.270sieveontoalargefunnelheldby
4.3.8 Cool in a desiccator and weigh to the nearest 0.001 g.
astandoverasedimentationcylinder.Pourthesuspensiononto
thesieve.Rinseremainingsandmaterialoutofthecuporflask
5. Determination of Correction for Dispersing Solution
with water onto the sieve. Wash the collected sand and gravel
5.1 Dispense 100 mL of dispersing solution into 1 L
with misted water to wash any remaining silt or clay particles
container.
through the sieve into the cylinder.
4.2.2 An alternative for collecting sand and gravel is to 5.2 Add distilled or demineralized water to 1 Lvolume, stir
or swirl until thoroughly mixed.
separate following the sampling for clay (4.3). In this case the
suspension is poured and washed onto a No. 270 sieve after
5.3 Draw 25 mLand dispense into a tared beaker or drying
pipeting has been completed. The sample is then washed until
dish.
only sand and gravel remain on the sieve. Then continue the
procedure at 4.2.3. If this alternative method is used, the
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