ASTM-E3334 2024

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E3334-24 Standard Test Method for Acidity in Ethanol and Ethanol Solutions

Published By	Publication Date	Number of Pages
ASTM	2024

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Categories: 71.080.40 - Organic acids, ASTM

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Description

ASTM E3334-24

Active Standard: Standard Test Method for Acidity in Ethanol and Ethanol Solutions

ASTM E3334

Scope

1.1 This test method covers the determination of acidity as acetic acid in ethanol and ethanol solutions. This test method may be applied to ethanol samples containing very little water (dehydrated alcohols) to solutions with significant water (low proof ethanol samples). The solutions include denatured alcohols such as the U.S. denatured ethanol formulas defined in 27.CFR.Part 21. This test method is used for determining low levels of acidity, below 200 m⁄kg (ppm mass), with the exclusion of carbon dioxide.

1.1.1 Procedure A—Developed specifically for measurement of acidity by potentiometric titration. This is the referee method.

1.1.2 Procedure B—Developed specifically for measurement of acidity by color end point titration.

1.2 The ethanol may be analyzed directly by this test method with minimal sample preparation.

1.3 Review the current and appropriate Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, and safety precautions and proper personal protective equipment.

1.4 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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. Some specific hazards statements are given in Section 7 on Hazards.

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.

Keywords

acidity; acetic acid; ethanol; ethyl alcohol; ethanol solutions; potentiometric; titration;

ICS Code

ICS Number Code 71.080.40 (Organic acids)

DOI: 10.1520/E3334-24

Additional information

Standard Title	E3334-24 Standard Test Method for Acidity in Ethanol and Ethanol Solutions
Published Code	ASTM
Publication Date	2024
ICS Codes	71.080.40 - Organic acids

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ASTM-E3334 2024

ASTM E3334-24

Active Standard: Standard Test Method for Acidity in Ethanol and Ethanol Solutions

ASTM E3334

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