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1.1 This test method covers the determination of the non-volatile residue content of ethanol and ethanol solutions at the time of test.

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 Warning—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.

1.4 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. For specific warning statements, see 6.4, 7.4, and 9.1.

1.5 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.

5.1 Manufacturers of ethanol are responsible for identifying and controlling impurities according to regulatory standards. Impurities in ethanol that are non-volatile are critical quality attributes for applications in the food, feed and pharmaceutical, personal care applications. Non-volatile residue is an attribute important to users of ethanol for these applications.