ASTM-D8294 2021

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D8294-21 Standard Practice for Estimating pH to Verify Status of Aqueous Samples

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 13.060.01 - Water quality in general, ASTM

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Description

ASTM D8294-21

Active Standard: Standard Practice for Estimating pH to Verify Status of Aqueous Samples

ASTM D8294

Scope

1.1 This practice provides information on verifying the pH of aqueous samples before analysis. This practice is not intended to be used for non-aqueous samples like oil or grease.

1.2 This practice may also be used in adjusting pH of samples during various analytical steps.

1.3 Wide-range pH papers/strips are used for a rapid indication of pH to within about 1 pH unit, and narrow-range pH papers/strips are used to indicate pH within about 0.5 pH units.

1.4 In some instances, a universal liquid indicator may be used.

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

1.6 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM International standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “Standard” in the title means only that the document has been approved through the ASTM consensus process.

1.7 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.

1.8 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

drinking water; environmental; indicator; preservation; sample; wastewater; water;

ICS Code

ICS Number Code 13.060.01 (Water quality in general)

DOI: 10.1520/D8294-21

Additional information

Standard Title	D8294-21 Standard Practice for Estimating pH to Verify Status of Aqueous Samples
Published Code	ASTM
Publication Date	2021
ICS Codes	13.060.01 - Water quality in general

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ASTM-D8294 2021

ASTM D8294-21

Active Standard: Standard Practice for Estimating pH to Verify Status of Aqueous Samples

ASTM D8294

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