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ASTM

ASTM D5560-95(2006)

(Test Method)

Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils

Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils

SIGNIFICANCE AND USE
This test method is intended for the determination of the neutral fatty matter contained in fats and oils by means of ether extraction.
SCOPE
1.1 This test method covers all degraded glycerides, since they are neutral fats. However, this procedure does not necessarily determine all the mono and diglycerides that may be present in the sample. This is due to the water soluble characteristics of some mono and diglycerides.
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.

General Information

Status
Historical
Publication Date
31-Mar-2006
ICS
71.080.40 - Organic acids
Technical Committee
D31 - Leather
Drafting Committee
D31.08 - Fats and Oils
Current Stage
Ref Project

Relations

Replaces
ASTM D5560-95(2001) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
Effective Date
01-Apr-2006
Replaced By
ASTM D5560-95(2011) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
Effective Date
01-Jan-2011

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ASTM D5560-95(2006) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and OilsASTM D5560-95(2006) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
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ASTM D5560-95(2006) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D5560–95 (Reapproved 2006)
Standard Test Method for
Determination of Neutral Fatty Matter Contained in Fats and
Oils
This standard is issued under the fixed designation D5560; 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 4.3 NaOH, 0.5 N.
4.4 Petroleum Ether.
1.1 This test method covers all degraded glycerides, since
4.5 Phenolphthalein Indicator.
they are neutral fats. However, this procedure does not neces-
4.6 Ethyl Alcohol, denatured.
sarily determine all the mono and diglycerides that may be
present in the sample. This is due to the water soluble
5. Procedure
characteristics of some mono and diglycerides.
5.1 Weigh5gof sample into a 125-mL assay flask and add
1.2 The values stated in SI units are to be regarded as the
50 mL of alcohol. Warm and rotate, if necessary, to dissolve.
standard.
Titrate with 0.5 N NaOH to end point using phenolphthalein
1.3 This standard does not purport to address all of the
indicator. Cool, then add 1 mL excess 0.5 N NaOH and rotate
safety concerns, if any, associated with its use. It is the
flask. Extract three times with 50-mL portions of petroleum
responsibility of the user of this standard to establish appro-
ether and wash combined ether layers with water until free
priate safety and health practices and determine the applica-
from alkali. Evaporate ether and dry to constant weight.
bility of regulatory limitations prior to use.
6. Calculation
2. Referenced Documents
2 6.1 Calculate the total neutral oily matter as follows:
2.1 ASTM Standards:
D5553 Test Method for Determination of the Unsaponifi- weight of residue 3 100
total neutral oily matter 5 (1)
weight of sample
able Nonvolatile Matter in Sulfated Oils
6.2 Determine the total neutral oily matter including unsa-
3. Significance and Use
ponifiables, if any, as in Test Method D5553, and subtract to
3.1 This test method is intended for the determination of the
obtain neutral fatty matter.
neutral fatty matter contained in fats and oils by means of ether
extraction. 7. Precision and Bias
7.1 This test method is adopted from the procedures of the
4. Apparatus and Reagents
AmericanLeatherChemistsAssociationwhereithaslongbeen
4.1 Erlenmeyer Flask, 125 mL.
in use and where it was approved for p
...

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