ASTM-D5543 2021

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D5543-21 Standard Test Method for Low-Level Dissolved Oxygen in Water

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 13.060.50 - Examination of water for chemical substances, ASTM

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Description

ASTM D5543-21

Active Standard: Standard Test Method for Low-Level Dissolved Oxygen in Water

ASTM D5543

Scope

1.1 This test method covers the rapid determination of low-level (<100 μg/L) dissolved oxygen in thermal-cycle steam condensate, deaerated boiler feedwater, boiler water, and deaerated deionized water. Color comparators allow the estimation of concentrations ranging from 0 to 100 μg/L (ppb) oxygen.

1.2 This test method may be applicable to electronic-grade, pharmaceutical-grade, and other high-purity waters, although these were not addressed in the collaborative study.

1.3 It is the user’s responsibility to ensure the validity of this test method for waters of untested matrices.

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

ampoules; boiler; boiler feedwater; colorimetric analysis; dissolved oxygen; oxygen; oxygen sensitive indicator; steam; steam condensate; petroleum refining; power generation;

ICS Code

ICS Number Code 13.060.50 (Examination of water for chemical substances)

DOI: 10.1520/D5543-21

Additional information

Standard Title	D5543-21 Standard Test Method for Low-Level Dissolved Oxygen in Water
Published Code	ASTM
Publication Date	2021
ICS Codes	13.060.50 - Examination of water for chemical substances

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ASTM-D5543 2021

ASTM D5543-21

Active Standard: Standard Test Method for Low-Level Dissolved Oxygen in Water

ASTM D5543

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