ASTM F1647-11(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: F1647 − 11 (Reapproved 2018) An American National Standard
Standard Test Methods for
Organic Matter Content of Athletic Field Rootzone Mixes
This standard is issued under the fixed designation F1647; 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 3. Summary of Test Methods
1.1 These test methods cover the determination of the 3.1 MethodA—Organicmattercontentisdeterminedbyloss
percent organic matter of a putting green root zone mixture on ignition (LOI).
using a loss on ignition method or the Walkley Black method. 3
3.2 Method B —Organic matter content is determined by
These test methods are useful for quantifying the organic
the Walkley-Black method; a dichromate oxidation procedure
matter content of volume ratio mixed root zone mixes. Test
whereby the color intensity of the reaction product is deter-
Methods D2974 is recommended for peat and other organic
mined colorimetrically.
soils.
4. Apparatus—Method A
1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
4.1 Oven, capable of maintaining a constant temperature of
standard.
105 6 5°C.
1.3 This standard does not purport to address all of the
4.2 Muffle furnace, capable of producing constant tempera-
safetyconcerns,ifany,associatedwithitsuse,northedisposal
tures of 360 6 10°C.
of hazardous waste that may be generated. It is the responsi-
4.3 Evaporating dish or crucible, made of high silica or
bility of the user of this standard to establish appropriate
porcelain of not less than 10-mL capacity.
safety, health, and environmental practices and determine the
4.4 Desiccator,
applicability of regulatory limitations prior to use. For a
specific precautionary statement, see 8.2.6.
4.5 Aluminum foil, heavy duty, and
1.4 This international standard was developed in accor-
4.6 Balance, sensitive to 0.001 g.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5. Apparatus—Method B
Development of International Standards, Guides and Recom-
5.1 Soil grinder,
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee. 5.2 Balance, sensitive to 0.01 g.
5.3 Sulfuric acid, concentrated (not less than 96 %),
2. Referenced Documents
5.4 Potassium dichromate, 1 N, made by dissolving 49.04
2.1 ASTM Standards:
reagent-grade potassium dichromate in water, and diluting to a
D2974 Test Methods for Moisture,Ash, and Organic Matter
volume of 1 L,
of Peat and Other Organic Soils
5.5 Spectrophotometerorcolorimeter, set at or adjustable to
E177 Practice for Use of the Terms Precision and Bias in
610-nm wavelength.
ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to
5.6 Standard, 10 000 mg/L as CO ,
Determine the Precision of a Test Method
5.7 Pipets, assorted, capable of measuring volumes of 0.1 to
10 mL,
5.8 Glassware, assorted, to include 250-mL Erlenmeyer
These test methods are under the jurisdiction of ASTM Committee F08 on
flasks and funnels (75-mm ID), and
Sports Equipment, Playing Surfaces, and Facilities and are the direct responsibility
of Subcommittee F08.64 on Natural Playing Surfaces.
5.9 Oven, capable of maintaining a constant temperature of
Current edition approved Oct. 1, 2018. Published November 2018. Originally
105 6 5°C.
approved in 1995. Last previous edition approved in 2011 as F1647 – 11. DOI:
10.1520/F1647-11R18.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Procedurewasbasedonprocedurepublishedin“MethodsofSoilAnalysis,Part
Standards volume information, refer to the standard’s Document Summary page on 2: Chemical and Microbiological Properties,” American Society of Agronomy
the ASTM website. Monograph No. 9, 2nd Ed.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1647 − 11 (2018)
6. Procedure—Method A 8.2.7 Add 100 mL of distilled or deionized water to the
flasks.
6.1 Scoop 5 to 10 g of oven-dried (105 6 5°C) soil into
8.2.8 Set up a funnel with No. 2 or similar filter paper. Pour
tared crucibles.
enough of the solution through the funnel to collect about 10
6.2 Weigh and record weight to the nearest 0.001 g.
mL.
6.3 Place the sample into a muffle furnace heated to 360 6 8.2.9 Read the absorbance of the sample at 610 nm. Refe
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