ASTM D2083-92(1998)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D2083–92(Reapproved1998)
Standard Test Method for
Calculation of Percent of Primary, Secondary, and Tertiary
Amines in Fatty Amines
This standard is issued under the fixed designation D 2083; 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 (e) indicates an editorial change since the last revision or reapproval.
This method was prepared jointly by the American Society for Testing and Materials and the American Oil Chemists’ Society.
1. Scope 3.2 Determinethepercentofnon-aminesinaccordancewith
Test Method D 2082.
1.1 This test method covers calculation of the percent of
primary, secondary, and tertiary amines in the sample from
4. Calculation
determinations of primary, secondary, and tertiary amine val-
4.1 Calculate the percent of amines as follows (Note):
ues and percent of non-amine.
1.2 This test method is applicable to materials containing
where:
only fatty primary amines, difatty secondary amines, trifatty
Let X = average molecular weight of the primary amine,
tertiary amines, and nonamines. This method is not applicable
PAV = primary amine value of the sample,
to blends such as a mixture of coco primary amine and tallow
SAV = secondary amine value of the sample,
difatty secondary amine.
TAV = tertiary amine values of the sample, and
1.3 This standard does not purport to address all of the PNA = %non-amine.
safety concerns, if any, associated with its use. It is the
then:
responsibility of the user of this standard to establish appro-
561~100 2 PNA! 1 17~SAV! 1 34~TAV!
X 5 (1)
priate safety and health practices and determine the applica-
PAV 1 2~SAV! 1 3~TAV!
bility of regulatory limitations prior to use.
and
2. Referenced Documents
Primary amine, % 5 PAV~X!/561 (2)
2.1 ASTM Standards:
Secondary amine, % 5 SAV~2X 2 17!/561
D 2073 Test Methods for Total, Primary, Secondary, and
Tertiary amine, % 5 TAV 3X 2 34!/561
~
TertiaryAmineValuesofFattyAmines,Amidoamines,and
NOTE 1—Theequationsgivenin4.1arebasedupontheassumptionthat
Diamines by Referee Potentiometric Method
the alkyl chain lengths in the monofatty, difatty, and trifatty amines are the
D 2074 Test Methods for Total, Primary, Secondary, and
same average length.
Tertiary Amine Value
...