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ASTM E202-18

Historical Revision

Standard Test Methods for Analysis of Ethylene Glycols and Propylene Glycols

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1.1 These test methods cover the chemical and physical analysis of the commonly available grades of ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, and dipropylene glycol. The key sections appear in the following order:

 

Sections

 

Purity of Reagents

4

Specific Gravity

6 – 8

Distillation Range

10 – 12

Acidity

14 – 16

Water

18 – 20

Iron

22 – 24

Color

26 – 28

Gas Chromatographic Analysis

30 – 32

Alternative Test Methods

Appendix X1

1.2 Review the current appropriate Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, and safety precautions.

1.3 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard with the exception of foot-pound for apparatus descriptions.

1.5 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.

1.6 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.


3.1 These test methods measure certain chemical and physical properties of ethylene glycols and propylene glycols and may be used to determine compliance with specification in which limits are established for these properties. For those tests that use the procedure of another ASTM test method, that test method should be consulted for additional information on the significance and use of that test.

3.2 Alternative test methods and technology for several of the methods can be found in the Appendix. Use of these methods is optional and individuals using the alternative methods should assure themselves that the method is sufficient and appropriate for the application. Precision data presented in this standard is only for the original test methods listed.

SDO ASTM: ASTM International
Document Number E202
Publication Date March 15, 2018
Language en - English
Page Count 14
Revision Level 18
Supercedes
Committee D16.14
Publish Date Document Id Type View
May 1, 2024 E0202-24 Revision
March 15, 2018 E0202-18 Revision
April 1, 2012 E0202-12 Revision
Aug. 1, 2010 E0202-10 Revision
Oct. 1, 2005 E0202-09 Revision
Oct. 1, 2005 E0202-05 Revision
Oct. 1, 2004 E0202-04 Revision
Oct. 10, 2000 E0202-00 Revision