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ASTM D4517-85(1999)

Historical Reaffirmation

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

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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 to 250 [mu]g/L of silica as SiO . 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 This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number D4517
Publication Date June 10, 1999
Language en - English
Page Count 4
Revision Level 85(1999)
Supercedes
Committee D19.03
Publish Date Document Id Type View
Aug. 1, 2015 D4517-15 Revision
May 1, 2004 D4517-04 Revision
April 1, 2023 D4517-15R23 Reaffirmation
Oct. 1, 2009 D4517-04R09 Reaffirmation
June 10, 1999 D4517-85R99 Reaffirmation