aluminum sulfate

noun

|Updated on: 25 May 2018

Definition of 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

See aluminum sulfate defined for kids

Recent Examples of aluminum sulfate from the Web

Scores of fish died in the lake after the town began using a state-approved, low-dose aluminum sulfate treatment to lower the lake's pH levels and improve water clarity, Wilmington NBC-TV affiliate WECT reported.

— joe marusak, charlotteobserver, "Chemical didn't kill fish in eastern NC lake. Another culprit did, state says | Charlotte Observer," 16 May 2018
The town received state approval April 11 to use a low-dose aluminum sulfate treatment to improve water clarity and reduce the pH level in the lake, Mayor Goldston Womble Jr. said in an April 20 letter on the town's website.

— joe marusak, charlotteobserver, "Town put chemical into popular NC fishing lake. Then the fish began to die. | Charlotte Observer," 7 May 2018
Gardeners maintain blue color by adding aluminum sulfate, or pink by adding lime (calcium carbonate).

— pam peirce, San Francisco Chronicle, "How do flowers get their color and can I change it?," 30 Mar. 2018
For blue-flowered hydrangeas, add aluminum sulfate to the soil around your bushes now.

— NOLA.com, "This week's gardening tips: change the color of hydrangeas and control thrips," 17 Feb. 2018
Beyond advertising, Royal also worked the halls of state assemblies, trying to persuade local politicians across the country to ban baking powders containing sodium aluminum sulfate on the grounds that they were adulterated with a toxic chemical.

— bart elmore, WSJ, "Baking Powder: The Indispensable Ingredient," 10 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aluminum sulfate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.