sulfate

[ suhl-feyt ]

/ ˈsʌl feɪt /

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noun

Chemistry. a salt or ester of sulfuric acid.

verb (used with object), sul·fat·ed, sul·fat·ing.

to combine, treat, or impregnate with sulfuric acid, a sulfate, or sulfates.

to convert into a sulfate.

Electricity. to form a deposit of lead-sulfate compound on (the lead electrodes of a storage battery).

verb (used without object), sul·fat·ed, sul·fat·ing.

to become sulfated.

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Origin of sulfate

From the New Latin word sulphātum, dating back to 1780–90. See sulfur, -ate²

sul·fa·tion, nounsu·per·sul·fate, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

It recently departed a clay-rich environment and is now entering one that is heavier in sulfates, a transition that may reflect a major shift in the Martian climate billions of years ago.
How Mars rovers have evolved in 25 years of exploring the Red Planet|Alexandra Witze|August 5, 2022|Science News
As the cable bacteria pulled electrons from sulfides, converting the noxious chemicals into less-harmful sulfates, the water within the sediment became more acidic, which dissolved some minerals containing iron.
Electrical bacteria may help clean oil spills and curb methane emissions|Nikk Ogasa|July 29, 2022|Science News
After all, copper sulfate contains only copper, sulfur and oxygen atoms.
Widely used pesticides may threaten Earth’s ozone layer|Katie Grace Carpenter|February 18, 2022|Science News For Students
The environmental advocate told attendees that his samples had revealed concerning levels of boron, calcium and sulfate — all indicators of coal ash.
How a Powerful Company Convinced Georgia to Let It Bury Toxic Waste in Groundwater|by Max Blau|January 18, 2022|ProPublica

This happened all the time in Mars’ past — it may even be happening now — when magma cooked rocks and released hydrogen, carbon dioxide, methane, iron, sulfates and other compounds that microbes can use to sustain themselves.
Iceland’s Eruptions Reveal the Hot History of Mars|Robin George Andrews|April 6, 2021|Quanta Magazine
Magnesium sulfate has been around since 1906 and has since been proven to be a superior medication.
Beyond ‘Downton Abbey’: Preeclampsia Maternal Deaths Continue Today|Eleni Tsigas, Christine Morton|January 28, 2013|DAILY BEAST
If sulfurous acid is present, it will be oxidized to sulfuric acid and precipitated as barium sulfate by the barium chlorid.
Detection of the Common Food Adulterants|Edwin M. Bruce
A white precipitate of barium sulfate will form if sulfuric acid is present.
Detection of the Common Food Adulterants|Edwin M. Bruce
Ash a portion of the sample and make the usual qualitative tests for calcium sulfate.
Detection of the Common Food Adulterants|Edwin M. Bruce
It should be filtered when not clear or when crystals of ammonium or potassium sulfate are formed.
Detection of the Common Food Adulterants|Edwin M. Bruce
Sulfates may be detected by adding barium chlorid to the aqueous solution of the honey and precipitating barium sulfate.
Detection of the Common Food Adulterants|Edwin M. Bruce

sulfate

[ sŭl′fāt′ ]

A salt or ester of sulfuric acid.

The bivalent group SO4.

A chemical compound containing such a group.

To treat or react with sulfuric acid or a sulfate.

To become sulfated.

sulfate

[ sŭl′fāt′ ]

A salt or ester of sulfuric acid, containing the group SO4.