Standard Test Methods for Organic Matter Content of Putting Green and Sports Turf Root Zone Mixes

ABSTRACT
These test methods establish the apparatus required, and standard calculations and procedures executed for quantifying the percent organic matter of volume ratio mixed putting green and sports turf root zone mixtures (except peat and other organic soils). Method A is performed by determining the loss on ignition (LOI). Method B or the Walkley Black method, on the other hand, is performed by a dichromate oxidation procedure whereby the color intensity of the reaction product is determined colorimetrically.
SCOPE
1.1 These test methods cover the determination of the percent organic matter of a putting green root zone mixture using a loss on ignition method or the Walkley Black method. These test methods are useful for quantifying the organic matter content of volume ratio mixed root zone mixes. Test Method D 2974 is recommended for peat and other organic soils.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use, nor the disposal of hazardous waste that may be generated. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see 8.2.6.

General Information

Status
Historical
Publication Date
09-Nov-2002
Current Stage
Ref Project

Relations

Buy Standard

Standard
ASTM F1647-02a - Standard Test Methods for Organic Matter Content of Putting Green and Sports Turf Root Zone Mixes
English language
2 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation:F1647–02a
Standard Test Methods for
Organic Matter Content of Putting Green and Sports Turf
1
Root Zone 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.
3
1. Scope 3.2 Method B —Organic matter content is determined by
the Walkley-Black method; a dichromate oxidation procedure
1.1 These test methods cover the determination of the
whereby the color intensity of the reaction product is deter-
percent organic matter of a putting green root zone mixture
mined colorimetrically.
using a loss on ignition method or the Walkley Black method.
These test methods are useful for quantifying the organic
4. Apparatus—Method A
matter content of volume ratio mixed root zone mixes. Test
4.1 Oven, capable of maintaining a constant temperature of
Methods D2974 is recommended for peat and other organic
105 6 5°C.
soils.
4.2 Muffle furnace, capable of producing constant tempera-
1.2 This standard does not purport to address all of the
tures of 360 6 10°C.
safetyconcerns,ifany,associatedwithitsuse,northedisposal
4.3 Evaporating dish or crucible, made of high silica or
of hazardous waste that may be generated. It is the responsi-
porcelain of not less than 10-mL capacity.
bilityoftheuserofthisstandardtoestablishappropriatesafety
4.4 Desiccator,
and health practices and determine the applicability of regu-
4.5 Aluminum foil, heavy duty, and
latory limitations prior to use. For a specific precautionary
4.6 Balance, sensitive to 0.001 g.
statement, see 8.2.6.
5. Apparatus—Method B
2. Referenced Documents
2 5.1 Soil grinder,
2.1 ASTM Standards:
5.2 Balance, sensitive to 0.01 g.
D2974 Test Methods for Moisture,Ash, and Organic Matter
5.3 Sulfuric acid, concentrated (not less than 96 %),
of Peat and Other Organic Soils
5.4 Potassium dichromate, 1 N, made by dissolving 49.04
E177 Practice for Use of the Terms Precision and Bias in
reagent-grade potassium dichromate in water, and diluting to a
ASTM Test Methods
volume of 1 L,
E691 Practice for Conducting an Interlaboratory Study to
5.5 Spectrophotometerorcolorimeter,setatoradjustableto
Determine the Precision of a Test Method
610-nm wavelength.
3. Summary of Test Methods 5.6 Standard, 10 000 mg/L as CO ,
2
5.7 Pipets, assorted, capable of measuring volumes of 0.1 to
3.1 Method A—Organic matter content is determined by
10 mL,
loss on ignition (LOI).
5.8 Glassware, assorted, to include 250-mL Erlenmeyer
flasks and funnels (75-mm ID), and
5.9 Oven, capable of maintaining a constant temperature of
105 6 5°C.
1
6. Procedure—Method A
These test methods are under the jurisdiction of ASTM Committee F08 on
Sports Equipment and Facilities and are the direct responsibility of Subcommittee
6.1 Scoop 5 to 10 g of oven-dried (105 6 5°C) soil into
F08.64 on Natural Playing Surfaces.
tared crucibles.
Current edition approved Nov. 10, 2002. Published December 2002. Originally
approved in 1995. Last previous edition approved in 2002 as F1647 – 02. DOI:
10.1520/F1647-02A.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
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.
1

---------------------- Page: 1 ----------------------
F1647–02a
6.2 Weigh and record weight to the nearest 0.001 g. 8.2.8 Set up a funnel with No. 2 or similar filter paper. Pour
6.3 Place the sample into a muffle furnace heated to 360 6 enough of the solution through the funnel to collect about 10
10°C. Leave the sample in the furnace for 2 h. mL.
6.4 Cool to 105°C, or cover with a piece of foil and cool in 8.2.9 Readtheabsorbanceofthesampleat610nm.Referto
a desiccator. the standard curve to obtain percent organic matter.
6.5 Weigh ash in a draft-free environment to the nearest
9. Report
0.001 g.
9.1 Report the following information:
7. Calculation of Percent Organic Matter, Method A
9.1.1 Sample identification,
7.1 Calculate percent organic matter as follows: 9.1.2 Sample condition when received,
9.1.3 Percentage organic matter to nearest 0.01%, and
LOI, % 5
9.1.4 Method used: A (Loss on Ignition) or B (Walkley-
@~oven2dry soil weight – ash weight!/oven2dry soil weight#
3 100 (1) Black).
8. Procedure—M
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.