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ASTM

ASTM D5560-95(2011)

(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 standard. No other units of measurement are included in this 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-Dec-2010
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(2006) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
Effective Date
01-Jan-2011
Replaced By
ASTM D5560-95(2018) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
Effective Date
01-Sep-2018

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ASTM D5560-95(2011) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and OilsASTM D5560-95(2011) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
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ASTM D5560-95(2011) - Standard Test Method for Determination of Neutral Fatty Matter Contained in Fats and Oils
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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D5560 − 95 (Reapproved 2011)
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.
1.1 This test method covers all degraded glycerides, since
4.4 Petroleum Ether.
they are neutral fats. However, this procedure does not neces-
4.5 Phenolphthalein Indicator.
sarily determine all the mono and diglycerides that may be
present in the sample. This is due to the water soluble
4.6 Ethyl Alcohol, denatured.
characteristics of some mono and diglycerides.
5. Procedure
1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
5.1 Weigh5gof sample into a 125-mL assay flask and add
standard.
50 mL of alcohol. Warm and rotate, if necessary, to dissolve.
1.3 This standard does not purport to address all of the
Titrate with 0.5 N NaOH to end point using phenolphthalein
safety concerns, if any, associated with its use. It is the
indicator. Cool, then add 1 mL excess 0.5 N NaOH and rotate
responsibility of the user of this standard to establish appro-
flask. Extract three times with 50-mL portions of petroleum
priate safety and health practices and determine the applica-
ether and wash combined ether layers with water until free
bility of regulatory limitations prior to use.
from alkali. Evaporate ether and dry to constant weight.
2. Referenced Documents
6. Calculation
2.1 ASTM Standards:
D5553 Test Method for Determination of the Unsaponifiable 6.1 Calculate the total neutral oily matter as follows:
Nonvolatile Matter in Sulfated Oils
weightofresidue 3100
totalneutraloilymatter 5 (1)
weightofsample
3. Significance and Use
3.1 This test method is intended for the determination of the 6.2 Determine the total neutral oily matter including
neutral fatty matter contained in fats and oils by means of ether unsaponifiables, if any, as in Test Method D5553, and subtract
to obtain neutral fatty matter.
extraction.
4. Apparatus and Reagents
7. Precision and Bias
4.1 Erlenmeyer Flask, 125 mL.
7.1 This test method is adopted from the procedures of the
4.2 Separatory Funnel.
AmericanLeatherChemistsAssociationwhereithaslongbeen
in use and where it was approved for publication before the
This test method is und
...

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