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ASTM D4328-84(1993)e1

Historical Reaffirmation

Standard Practice for Calculation of Supersaturation of Barium Sulfate, Strontium Sulfate, and Calcium Sulfate Dihydrate (Gypsum) in Brackish Water, Seawater, and Brines

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1.1 This practice covers the calculation of supersaturation of barium sulfate, strontium sulfate, and calcium sulfate dihydrate (gypsum) in brackish water, seawater, and brines in which barium, strontium, and calcium ions either coexist or exist individually in solution in the presence of sulfate ions.

1.2 This practice is not applicable for calculating calcium sulfate dihydrate supersaturation if the temperatures of saline waters under investigation exceed 95&#176C. At temperatures above 95&#176C, hemianhydrate and anhydrite would be major insoluble forms. </p> <p>1.3 This standard does not purport to address all of the safety problems, 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. </p>


SDO ASTM: ASTM International
Document Number D4328
Publication Date Dec. 10, 1997
Language en - English
Page Count 6
Revision Level 84(1993)e1
Supercedes
Committee D19.05
Publish Date Document Id Type View
May 1, 2018 D4328-18 Revision
Aug. 15, 2008 D4328-08 Revision
Jan. 10, 2003 D4328-03 Revision
Dec. 10, 1997 D4328-97 Revision
June 1, 2013 D4328-08R13 Reaffirmation
Dec. 10, 1997 D4328-84R93E01 Reaffirmation