Filter by Date

Disinfectants and COVID-19

By: Delphine Farmer (@ChemDelphine) and Marina Vance (@marinavance) With growing concerns over Coronavirus, more people are turning to the power of disinfectants to clean surfaces – and that is giving rise to a new set of indoor chemistry. While ordinary soap is surprisingly effective at breaking down the Coronavirus, bleach, alcohol, and ammonia are all […]

Read More

Bleach cleaning: indoor emissions, chemistry, and impacts on air quality

By Jimmy Mattila, a graduate student in the Farmer Group at Colorado State University (Twitter: @JimmyMattila)   Bleach, an aqueous solution consisting of sodium hypochlorite (NaOCl) and other oxidizers/surfactants, is a commonly used cleaning product in household and workplace environments. The efficacy of bleach stems from its potent antimicrobial and oxidizing properties. Bleach cleaning emits […]

Read More

New particle formation in the indoor environment

The presence of particles suspended in air is associated with negative health effects, including respiratory and cardiovascular issues. While some particles are emitted directly to the air from a source, such as from combustion, formation of new particles through atmospheric chemical reactions is less obvious to the casual citizen.

Read More