aluminum sulfate


: a white salt Al2(SO4)3 usually made by treating bauxite with sulfuric acid and used in making paper, in water purification, and in tanning

Examples of aluminum sulfate in a Sentence

Recent Examples on the Web The most common, reliable, and affordable treatment is coagulation/filtration, which uses aluminum sulfate to consolidate both inorganic mercury and methylmercury into a solid that can be removed from the water and summarily disposed of at a hazardous waste site. Gia Mora, Treehugger, 8 Mar. 2023 Chesterton firefighters applied oil dry to the roadway to contain leaking fluids from the truck and put up a light tower, not clearing the scene until 5:54 a.m. The truck was hauling aluminum sulfate, a nontoxic powder used in the purification of drinking water. Amy Lavalley,, 13 Apr. 2021 Savvy consumers will notice potassium aluminum sulfate listed in the ingredients of this deodorant, which is a mineral salt with astringent and antimicrobial properties. Jacqueline Saguin, Good Housekeeping, 19 Apr. 2022 To make the iron in the soil more readily available, the soil should be treated with an acidifying agent such as sulfur, iron sulfate (copperas), aluminum sulfate or a liquid soil acidifier. Dan Gill,, 27 Jan. 2021 At this point, the water still has the tea-like color of river water, which the plants eliminate using aluminum sulfate. Eric Roper, Star Tribune, 9 Oct. 2020 To encourage your hydrangeas to bloom blue, apply aluminum sulfate now and again in March, following package directions. Dan Gill,, 30 Sep. 2020 Maine Auburn: Workers are going to be putting aluminum sulfate in Lake Auburn this week to fight algae. USA TODAY, 9 July 2019 The aluminum sulfate will be applied to three-quarters of the lake starting Wednesday. USA TODAY, 9 July 2019 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'aluminum sulfate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of aluminum sulfate was in 1868

Dictionary Entries Near aluminum sulfate

Cite this Entry

“Aluminum sulfate.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Kids Definition

aluminum sulfate

: a white salt made from bauxite and used in making paper, purifying water, and tanning

Medical Definition

aluminum sulfate

: a colorless salt Al2(SO4)3 that is a powerful astringent and is used as a local antiperspirant and in water purification

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