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What won't protect you from COVID-19

16 Apr 2021

This article was first published in The Montreal Gazette....

How Long Does the COVID Virus Live on Surfaces?

16 Oct 2020

This article was first published in The Montreal Gazette.

Did you know that some bacteria can eat cleaning products?

1 Feb 2019

Have you ever noticed the message on the front of a Lysol bottle: “Kills 99.9% of viruses and bacteria”?

Cream of Tartar

6 Nov 2017

Cream of tartar is close to the heart of any organic chemist because the study of this compound by Louis Pasteur in 1848 was pivotal in leading to the understanding of the three dimensional...

Can baking soda really absorb odors in the fridge?

30 Oct 2017

Smells of course are caused by volatile compounds which stimulate receptors in our nose. There is a large variety of such compounds with a great diversity of molecular structures. But many of the...

Why is sodium sulphite added to laundry and dish-washing detergents?

20 Mar 2017

Sodium sulphite is not added for cleaning purposes, at least not as far as the laundry is concerned.

The Art of Mixing Bleach and Acids

20 Mar 2017

Chemistry is all about mixing things. But you have to know what you are doing. A lady was complaining to a neighbor about an infestation of mice in her house. The well-meaning friend had a...

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