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ASTM-D8192:2023 Edition

ASTM-D8192:2023 Edition

$29.79

D8192-23 Standard Test Method for Hardness in Colored and Colorless Water

Published By Publication Date Number of Pages
ASTM 2023 4
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ASTM D8192-23

Active Standard: Standard Test Method for Hardness in Colored and Colorless Water

ASTM D8192

Scope

1.1 This test method covers the determination of hardness in water by titration with potentiometric detection via optical sensor. This test method is applicable to waters that are free of chemicals that will complex calcium or magnesium. The lower detection limit of this test method is approximately 2 mg/L to 5 mg/L as CaCO3; the upper limit can be extended to all concentrations by sample dilution. It is possible to differentiate between hardness due to calcium ions and that due to magnesium ions by this test method.

1.2 This test method is applicable to both colorless and colored water samples including groundwater, surface water, wastewater, and drinking water.

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

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.

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.

Keywords

analysis; autotitrator; calcium carbonate hardness; hardness; optical sensor; titration; water;

ICS Code

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

DOI: 10.1520/D8192-23

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