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Scope

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°C. At temperatures above 95°C, hemianhydrate and anhydrite would be major insoluble forms.

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.

Keywords

Barium sulfate (BaSO4); Brackish water/brines; Calcium sulfate (CaSO4); Saturation; Strontium sulfate (SrSO4); Supersaturation; supersaturation of barium sulfate/strontium sulfate/calcium sulfate; dehydrate (gypsum) (in brackish water/seawater/brines), practice

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

13.060.30 (Sewage water Including sewage water disposal and treatment Liquid wastes, see 13.030.20 Drainage systems, see 91.140.80 Sewage systems, see 93.030)

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