ASTM-D7677 2023

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D7677-16(2023) Standard Test Method for the Continuous Measurement of Dissolved Ozone in Low Conductivity Water

Published By	Publication Date	Number of Pages
ASTM	2023

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Categories: 17.120.01 - Measurement of fluid flow in general, ASTM

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Description

ASTM D7677-16-Reapproved2023

Active Standard: Standard Test Method for the Continuous Measurement of Dissolved Ozone in Low Conductivity Water

ASTM D7677

Scope

1.1 This test method covers the on-line and in-line determination of dissolved ozone (DO₃) in low conductivity water in the range from 0.001 mg/L to 5.0 mg/L DO₃ and conductivity <100 μS/cm, typical of pharmaceutical and microelectronics pure waters. DO₃ is detected by correlating the response of a membrane-covered electrochemical sensor to the dissolved ozone concentration.

1.2 This test method provides a more convenient means for continuous measurement than the colorimetric methods typically used for grab sample measurements.

1.3 This test method has the advantage of high sensitivity as well as durability in the process environment and has few interferences.

1.4 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.

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

dissolved gas; high purity water; ozone; pharmaceutical water; sanitization;

ICS Code

ICS Number Code 17.120.01 (Measurement of fluid flow in general)

DOI: 10.1520/D7677-16R23

Additional information

Standard Title	D7677-16(2023) Standard Test Method for the Continuous Measurement of Dissolved Ozone in Low Conductivity Water
Published Code	ASTM
Publication Date	2023
ICS Codes	17.120.01 - Measurement of fluid flow in general