It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.

One important note: the tests were done with pure aluminum sulfate (the right name for alum). If you buy alum at the store, it is likely to have potassium or other additives and that might change ...

A research team at Clarkson University recently published a study about a plant based alternative to traditional chemical methods of combating Harmful Algal Blooms (HABs).

chemically known as potassium alum or aluminum potassium sulfate, exhibits astringent properties when applied to the skin.

Gippsland Water is exploring an innovative way to make gravel pavement construction more sustainable using a water treatment ...

A research team at Clarkson University recently published a study about a plant-based alternative to traditional chemical methods of combating Harmful Algal Blooms (HABs).

At its regular board meeting on Dec. 12, the Prior Lake-Spring Lake Watershed District’s Board of Managers voted to continue to invest in alum treatments for Spring Lake and allocated nearly ...

What an exciting year this has been! With three creeks over a dozen lakes, and seven cities in our district, there are many things to do and places to visit. This year alone, the district ...

Serious adverse events may be caused by different constituents in a vaccine: the active antigen, an adjuvant such as potassium aluminium sulfate (alum), a conservative agent such as thimerosal ...