SULFATE STANDARD

Sulfate is a sulfur oxoanion obtained by deprotonation of both OH groups of sulfuric acid. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite and a cofactor. It is a sulfur oxoanion, a sulfur oxide, an inorganic anion and a divalent inorganic anion. It is a conjugate base of a hydrogensulfate.|Sulfate ion is an Osmotic Laxative. The mechanism of action of sulfate ion is as an Osmotic Activity. The physiologic effect of sulfate ion is by means of Increased Large Intestinal Motility, and Inhibition Large Intestine Fluid/Electrolyte Absorption.|Inorganic salts of sulfuric acid.
The sulfate anion (SO42−) is the stable, oxidized form of sulfur. Sulfate minerals are widely distributed in nature, and most sulfate compounds are readily soluble in water. All sulfate salts are very soluble except for calcium and silver sulfates, which are moderately soluble, and barium, mercury, lead, and strontium sulfates, which are insoluble.It is estimated that about one-half of the river sulfate load arises from mineral weathering and volcanism, and the other half from biochemical and anthropogenic sources. Industrial discharges are another significant source of sulfates. Mine and tailings drainage, smelter emissions, agricultural runoff from fertilized lands, pulp and paper mills, textile mills, tanneries, sulfuric acid production, and metalworking industries are all sources of sulfate-polluted water. Aluminum sulfate (alum) is used as a sedimentation agent for treating drinking water. Copper sulfate is used for controlling algae in raw and public water supplies.
ChEBI: A sulfur oxoanion obtained by deprotonation of both OH groups of sulfuric acid.