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ASTM D1722-98

(Test Method)

Standard Test Method for Water Miscibility of Water-Soluble Solvents

Standard Test Method for Water Miscibility of Water-Soluble Solvents

SCOPE
1.1 This test method covers the determination of the miscibility of water-soluble solvents with water. While written specifically for testing acetone, isopropyl alcohol (isopropanol), and methyl alcohol (methanol), the method is suitable for testing most water-soluble solvents.  
1.2 This test method serves to detect water-immiscible contaminants qualitatively; the level of detection of these impurities varies widely with both the type of solvent and the type of impurity.  
1.3 The level of detection of water-insoluble materials depends upon the solvent tested and the type of impurity or impurities present, that is paraffin, olefin, aromatic, high molecular weight alcohol, or ketone, etc. There is, therefore, no specific level of impurity detected by this procedure.  Note-This test method is normally performed at ambient, but other temperatures may be used as specified by the consumer and supplier.
1.4 This standard does not purport to address all of the safety problems 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.>  
1.5 For specific hazard information and guidance, consult the supplier's Material Safety Data Sheet for materials listed in this test method.

General Information

Status
Historical
Publication Date
09-Dec-1998
ICS
87.060.30 - Solvents
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.35 - Solvents, Plasticizers, and Chemical Intermediates
Current Stage
Ref Project

Relations

Replaced By
ASTM D1722-98(2004) - Standard Test Method for Water Miscibility of Water-Soluble Solvents
Effective Date
01-Jun-2004
Referred By
ASTM D770-11(2019) - Standard Specification for Isopropyl Alcohol<sup>,</sup>
Effective Date
10-Dec-1998
Referred By
ASTM E2470-22 - Standard Specification for Polyester Grade Ethylene Glycol
Effective Date
10-Dec-1998
Referred By
ASTM D268-22 - Standard Guide for Sampling and Testing Volatile Solvents and Chemical Intermediates for Use in Paint and Related Coatings and Material
Effective Date
10-Dec-1998
Referred By
ASTM D4171-22 - Standard Specification for Fuel System Icing Inhibitors
Effective Date
10-Dec-1998
Referred By
ASTM D329-07(2021) - Standard Specification for Acetone
Effective Date
10-Dec-1998
Referred By
ASTM E1119-23 - Standard Specification for Industrial Grade Ethylene Glycol
Effective Date
10-Dec-1998

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ASTM D1722-98 - Standard Test Method for Water Miscibility of Water-Soluble Solvents
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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: D 1722 – 98
Standard Test Method for
Water Miscibility of Water-Soluble Solvents
This standard is issued under the fixed designation D 1722; 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 standard has been approved for use by agencies of the Department of Defense.
1. Scope 4. Significance and Use
1.1 This test method covers the determination of the misci- 4.1 Water-insoluble materials present in a solvent expected
bility of water-soluble solvents with water. While written to be completely water miscible may interfere with many uses
specifically for testing acetone, isopropyl alcohol (isopro- of the solvent. This test method provides a measure of the
panol), and methyl alcohol (methanol), the method is suitable miscibility of water-soluble solvents with a polar medium-
for testing most water-soluble solvents. water. It also provides a qualitative indication of the presence
1.2 This test method serves to detect water-immiscible or absence of water-immiscible contaminants.
contaminants qualitatively; the level of detection of these 4.2 The results of this test method may be used in assessing
impurities varies widely with both the type of solvent and the compliance with a specification. Prior to agreeing to this test
type of impurity. method as the basis of a specification requirement, it may be
1.3 The level of detection of water-insoluble materials desirable that the interpretation of what constitutes cloudiness
depends upon the solvent tested and the type of impurity or or turbidity be agreed upon between the supplier and the
impurities present, that is paraffin, olefin, aromatic, high purchaser.
molecular weight alcohol, or ketone, etc. There is, therefore, no
5. Apparatus
specific level of impurity detected by this procedure.
5.1 Cylinder, graduated, glass-stoppered, 250-mL.
NOTE 1—This test method is normally performed at ambient, but other
temperatures may be used as specified by the consumer and supplier.
6. Reagent
1.4 This standard does not purport to address all of the
6.1 Water—References to water shall be understood to
safety concerns, if any, associated with its use. It is the
mean reagent water conforming to Type IV of Specification
responsibility of the user of this standard to establish appro-
D 1193.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 7. Procedure
1.5 For specific hazard information and guidance, consult
7.1 Transfer 25 mL of the sample to one of
...

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Standard Test Method for Acetone, Methyl Acetate, and Parachlorobenzotrifluoride Content of Paints, and Coatings by Solid Phase Microextraction-Gas Chromatography

SIGNIFICANCE AND USE
5.1 In order to calculate the volatile organic content (VOC) of paints containing EPA exempt solvents, it is necessary to know the acetone, methyl acetate, or parachlorobenzotrifluoride content. This gas chromatographic test method provides a simple and direct way for measuring these solvents. Each analyte is measured with respect to a unique internal standard. For acetone, the internal standard used is acetone-d6, for methyl acetate it is methyl acetate-d3, and for PCBTF it is metachlorobenzotrifluoride (MCBTF). These unique analyte/internal standard pairs behave very nearly as single solvents with respect to evaporation rate and adsorption rate onto a coated silica fiber (SPME) but are separable on a gas chromatograph (GC) capillary column. The only critical analytical technique required for successfully performing this test method is the ability of an analyst to weigh a paint sample and internal standard, corresponding to the analyte of interest, into a septum capped vial. After weighing, solvent evaporation has no effect on the final value of the determination. Since whole paint is not injected into the gas chromatograph, the analytical system is never compromised.
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1.1 This test method is for the determination of acetone, methyl acetate, or parachlorobenzotrifluoride (PCBTF), or combination of any of the three, in paints and coatings, by solid phase microextraction (SPME) headspace sampling, and subsequent injection into a gas chromatograph. It has been evaluated for cellulose nitrate, acrylic, and urethane solvent-borne systems. The established working range of this test method is: acetone, 28 to 90 %; methyl acetate, 12 to 22 %; parachlorobenzotrifluoride, 10 to 17 %. There is no reason to believe that it will not work outside these ranges. A minor modification of this test method would make it suitable for the analysis of the same analytes in water-borne coatings (see Note 1).
Note 1: Water-borne paints are internally standardized and diluted with water followed by addition of solid sodium chloride.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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