ASTM D5565-95(2001)

Standard Test Method for Determination of the Solidification Point of Fatty Acids Contained in Animal, Marine, and Vegetable Fats and Oils

SCOPE
1.1 This test method covers determination of the solidification point of fatty acids contained in animal, marine, and vegetable fats and oils.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. See 6.2 and 6.7 for additional information.

General Information

• Status: Historical
• Publication Date: 14-May-1995
• ICS: 67.200.10 - Animal and vegetable fats and oils
• Technical Committee: D31 - Leather
• Drafting Committee: D31.08 - Fats and Oils

Relations

• Replaces: ASTM D5565-95 - Standard Test Method for Determination of the Solidification Point of Fatty Acids Contained in Animal, Marine, and Vegetable Fats and Oils
• Effective Date: 15-May-1995
• Replaced By: ASTM D5565-95(2006) - Standard Test Method for Determination of the Solidification Point of Fatty Acids Contained in Animal, Marine, and Vegetable Fats and Oils
• Effective Date: 01-Apr-2006

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation: D 5565 – 95 (Reapproved 2001)
Standard Test Method for
Determination of the Solidification Point of Fatty Acids
Contained in Animal, Marine, and Vegetable Fats and Oils
This standard is issued under the fixed designation D5565; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4.3 Test Tubes—Lengthof100mmanddiameterof25mm,
with or without rim. These tubes may have an etched mark
1.1 This test method covers determination of the solidifica-
extending around the tube at a distance of 57 mm from the
tion point of fatty acids contained in animal, marine, and
bottom to show the height to which the tube is to be filled.
vegetable fats and oils.
4.4 Saponification Vessel—A 750- or 1000-mL flask.
1.2 The values stated in SI units are to be regarded as the
4.5 Stirrer, 2- to 3-mm outside diameter, with one end bent
standard.
in the form of a loop of 19-mm outside diameter. Glass,
1.3 This standard does not purport to address all of the
nichrome, stainless steel, or monel wire shall be used. The
safety concerns, if any, associated with its use. It is the
upper end can be formed to accommodate hand stirring or for
responsibility of the user of this standard to establish appro-
attachment to a mechanical stirrer.
priate safety and health practices and determine the applica-
4.6 Laboratory Thermometer, 0 to 150°C.
bility of regulatory limitations prior to use. See 6.2 and 6.7 for
4.7 Titer Test Thermometer—Specifications for thermom-
additional information.
eter used in titer test determinations:
2. Referenced Documents 4.7.1 Type—Etched stem glass.
4.7.2 Liquid—Mercury.
2.1 ASTM Standards:
4.7.3 Filling Above Liquid—Evacuated or nitrogen gas.
D473 Test Method for Sediment in Crude Oils and Fuel
4.7.4 Temperature Range—2° to+68°C.
Oils by the Extraction Method
4.7.5 Subdivisions—0.2°C.
D4057 Practice for Manual Sampling of Petroleum and
4.7.6 Total Length—385 to 390 mm.
Petroleum Products
4.7.7 Stem Diameter—6 to 7 mm.
D4177 Practice for Automatic Sampling of Petroleum and
4.7.8 Stem Construction—Plain or lens front. The cross
Petroleum Products
section of the lens front type shall be such that it will pass
3. Significance and Use
throughan8mmringgagebutwillnotentera5mmslotgage.
4.7.9 Bulb Diameter—5.5 mm to not greater than that of
3.1 This test method is intended to cover determination of
stem.
the solidification point of fatty acids contained in animal,
4.7.10 Bulb Length—15to25mm.
marine, and vegetable fats and oils used in the softening and
4.7.11 Bulb Construction—Corning normal or equally suit-
stuffing of leather, as well as those used in the manufacture of
able thermometric glass.
products for such purpose.
4.7.12 Distance from Bottom of Bulb to−2° Mark—50 to
4. Apparatus
60 mm.
4.7.13 Distance from 68° Mark to Top of Thermometer—20
4.1 Griffın Low-Form Beaker, 2-L capacity.
to 35 mm.
4.2 Wide Mouth Bottle—Capacity of 450 mL, height of 190
4.7.14 Length of Unchanged Capillary Between the Highest
mm, and inside diameter of neck of 38 mm.
Graduation and the Expansion Chamber—10 mm.
4.7.15 Expansion Chamber—To permit heating to at least
85°C.
ThistestmethodisunderthejurisdictionofASTMCommitteeD31onLeather
4.7.16 Top Finish—Glass ring.
and is the direct responsibility of Subcommittee D31.08 on Fats and Oils. This test
4.7.17 Longer Graduation Lines—At each 1° mark.
method was developed in cooperation with the American Leather Chemists Assn.
(Methods H10 and H17-1957).
4.7.18 Graduations—Numbered at zero and each multiple
Current edition approved May 15, 1995. Published July 1995. Originally
of 2°.
published as D5565–94. Last previous edition D5565–94.
4.7.19 Immersion—45mm,alineshallbeetchedaroundthe
Annual Book of ASTM Standards, Vol 05.01.
Annual Book of ASTM Standards, Vol 05.02. stem 45 mm from the bottom of the bulb.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 5565
4.7.20 Special Marking on Thermometer—A.O.C.S. Titer 6.5 Remove the water again, and, if necessary, repeat the
Test. washings described in 5.4 until the wash water is neutral to a
4.7.21 Maximum Scale Error Permitted at any Point— methyl orange indicator.
0.2°C. 6.6 Transfer the fatty acids to a filter paper carefully, so as
4.7.22 Marking on Case—A.O.C.S. Titer Test,−2° to+68° not to include any water. The filter paper may be supported on
in 0.2°C. a small beaker without a funnel. The acids must remain
4.7.23 Standardization—The thermometer shall be stan- completely melted until entirely filtered.
dardized at the ice point and at intervals of approximately 6.7 After heating the filtered acids on a hot plate to 130°C
20°C, for the condition of 45 mm immersion, and for an to remove traces of moisture, fill the titer test tube to a height
average stem temperature of the emergent mercury column of of 57 mm from the bottom. (Warning—The sample shall not
25°C. be held at 130°C or reheated to this temperature more than
4.8 Filter Paper, qualitative, rapid filtering grade. once. If excessive moisture is present, the water shall be
allowedtosettleandthefattyacidsdecantedandthenrefiltered
5. Rea
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