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ASTM-D4517:2023 Edition

ASTM-D4517:2023 Edition

$34.13

D4517-15(2023) Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy

Published By Publication Date Number of Pages
ASTM 2023 5
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ASTM D4517-15-Reapproved2023

Active Standard: Standard Test Method for Low-Level Total Silica in High-Purity Water by Flameless Atomic Absorption Spectroscopy

ASTM D4517

Scope

1.1 This test method covers the determination of total silica in water.

1.2 This test method is applicable in the range from 25 μg/L to 250 μg/L of silica as SiO2. Higher concentrations may be determined by decreasing the aliquot volume (see Note 6). Concentration range should not be extended by dilution.

1.3 This test method determines total silica, and does not distinguish between soluble and insoluble forms.

1.4 This test method was tested on reagent water only. It is the user’s responsibility to assure the validity of the test method for waters of other matrices.

1.5 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 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.

1.7 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

atomic spectroscopy; boiler water; graphite furnace; high-purity water; silica;

ICS Code

ICS Number Code 71.060.20 (Oxides)

DOI: 10.1520/D4517-15R23

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