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ASTM D2074-07(2013)

(Test Method)

Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method

Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method

ABSTRACT
These alternative test methods cover the indicator procedure for determining the total, primary, secondary, and tertiary amine values of fatty amines. These procedures are not applicable to fatty amidoamines and fatty diamines. The apparatus includes Erlenmeyer flasks and magnetic stirrer. Reagent grade chemicals shall be used in all tests and includes the following: water, bromphenol blue indicator solution, bromcresol green indicator solution, chloroform, hydrochloric acid standard solution, isopropyl alcohol, phenyl isothiocyanate, and salicylaldehyde. The procedure of determining the total amine values are detailed and the formula of calculating the total amine values is given.
SCOPE
1.1 These alternative test methods cover the indicator procedure for determining the total, primary, secondary, and tertiary amine values of fatty amines. These procedures are not applicable to fatty amidoamines and fatty diamines.  
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-May-2013
ICS
71.080.30 - Organic nitrogen compounds
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.33 - Polymers and Resins
Current Stage
Ref Project

Relations

Replaces
ASTM D2074-07 - Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method
Effective Date
01-Jun-2013
Replaced By
ASTM D2074-07(2019) - Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method
Effective Date
01-Oct-2019

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ASTM D2074-07(2013) - Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator MethodASTM D2074-07(2013) - Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method
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ASTM D2074-07(2013) - Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method
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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: D2074 − 07 (Reapproved 2013)
Standard Test Methods for
Total, Primary, Secondary, and Tertiary Amine Values of
Fatty Amines by Alternative Indicator Method
This standard is issued under the fixed designation D2074; 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.
These test methods were prepared jointly by ASTM and the American Oil Chemists’ Society.
1. Scope 3.1.4 total amine value, n—the number of milligrams of
potassium hydroxide (KOH) equivalent to the basicity in1gof
1.1 These alternative test methods cover the indicator pro-
sample.
cedure for determining the total, primary, secondary, and
tertiary amine values of fatty amines. These procedures are not
4. Apparatus
applicable to fatty amidoamines and fatty diamines.
4.1 Erlenmeyer Flasks, wide-mouth, alkali-resistant,
1.2 The values stated in SI units are to be regarded as
borosilicate-glass, 250-mL capacity.
standard. No other units of measurement are included in this
4.2 Magnetic Stirrer, with an inert plastic-coated stirring
standard.
bar.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Reagents
responsibility of the user of this standard to establish appro-
5.1 Purity of Reagents—Reagent grade chemicals shall be
priate safety and health practices and determine the applica-
used in all tests. Unless otherwise indicated, it is intended that
bility of regulatory limitations prior to use.
all reagents shall conform to the specifications of the Commit-
tee onAnalytical Reagents of theAmerican Chemical Society,
2. Referenced Documents
where such specifications are available. Other grades may be
2.1 ASTM Standards:
used, provided it is first ascertained that the reagent is of
D1193 Specification for Reagent Water
sufficiently high purity to permit its use without lessening the
accuracy of the determination.
3. Terminology
5.2 Purity of Water—Unless otherwise indicated, references
3.1 Definitions:
to water shall be understood to mean reagent water conforming
3.1.1 primary amine value, n—the number of milligrams of to Type II of Specification D1193.
potassium hydroxide (KOH) equivalent to the primary amine
5.3 Bromphenol Blue Indicator Solution—Dissolve 0.2 g of
basicity in1gof sample.
bromphenol blue in 100 mL of methanol, ethanol, or isopro-
3.1.2 secondary amine value, n—the number of milligrams
panol.
of potassium hydroxide (KOH) equivalent to the secondary
5.4 Bromcresol Green Indicator Solution—Dissolve 0.1 g of
amine basicity in1gof sample.
bromcresol green sodium salt in 100 mL of water.
3.1.3 tertiary amine value, n—the number of milligrams of
5.5 Chloroform (CHCl ).
potassium hydroxide (KOH) equivalent to the tertiary amine
5.6 Hydrochloric Acid, Standard Solution (0.1 N)—Add 17
basicity in1gof sample.
mLofconcentratedhydrochloricacid(HCl,spgr1.19)to1000
mL of isopropyl alcohol in a 2-L volumetric flask. Make up to
volume after cooling to room temperature. Standardize with
These test methods are under the jurisdiction of ASTM Committee D01 on
sodium carbonate using bromcresol green as the indicator.
Paint and Related Coatings, Materials, and Applications and are the direct
responsibility of Subcommittee D01.33 on Polymers and Resins.
Current edition approved June 1, 2013. Published June 2013. Originally
approved in 1962. Last previous edition approved in 2007 as D2074 – 07. DOI: Reagent Chemicals, American Chemical Society Specifications , American
10.1520/D2074-07R13. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
For referenced ASTM standards, visit the ASTM website, www.astm.org, or listed by the American Chemical Society, see Analar Standards for Laboratory
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
Standards volume information, refer to the standard’s Document Summary page on and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
the ASTM website. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D2074 − 07 (2013)
5.7 Hydrochloric Acid, Standard Solution (0.2 N)—Add 34 is bright and the addition of another millilitre of 0.2 N HCl
mL of concentrated HCl (sp gr 1.19) to 1000 mL of isopropyl does not change the yellow color.
alcohol in a 2-L volumetric flask. Make up to volume after
NOTE 2—Instead of 0.2 N HCl, 0.1 N HCl may be used if the quantity
cooling to room temperature. Standardize with sodium carbon-
of tertiary amine is very low.
ate using bromc
...

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These alternative test methods cover the indicator procedure for determining the total, primary, secondary, and tertiary amine values of fatty amines. These procedures are not applicable to fatty amidoamines and fatty diamines. The apparatus includes Erlenmeyer flasks and magnetic stirrer. Reagent grade chemicals shall be used in all tests and includes the following: water, bromphenol blue indicator solution, bromcresol green indicator solution, chloroform, hydrochloric acid standard solution, isopropyl alcohol, phenyl isothiocyanate, and salicylaldehyde. The procedure of determining the total amine values are detailed and the formula of calculating the total amine values is given.
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5.1 N-methylcarbamates and n-methylcarbomoyloximes are used in agriculture as insecticides and herbicides. They are sometimes found in both surface and ground waters and can be toxic to animals and plants at moderate to high concentrations. The manufacturing precursors and degradation products may be equally as hazardous to the environment.
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4.1 When determining the limiting detectable concentration of a fluorescent substance, it is usually necessary to increase the readout scale of a photoelectric instrument to a point where noise (that is, random fluctuations of the system) becomes apparent. This noise will be superimposed upon the signal from the sample.  
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5.2.4 SAE J2360.
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