Colorless liquid with acrid odor, weaker acid than acetic acid. Produced industrially by autoxidation of acetaldehyde. Naturally forms in environment through photochemical reactions
Chlorination was first proposed in 1894 to make water germ-free. Maidstone, England was first to have its entire water supply treated in 1897. Permanent chlorination began in 1905 to stop typhoid epidemic in Lincoln, England. First continuous US use was at Boonton Reservoir in 1908
Disinfectants destroy microorganisms on inert surfaces. Sterilization kills all life, disinfectants only destroy microorganisms. Sanitizers clean and disinfect simultaneously, disinfectants kill more germs. Bacterial endospores are most resistant to disinfectants
Quaternary ammonium salts are widely used for bacteria, fungi and algae control. Arquad MCB-50 formulation is colorless, odorless and stable at wide pH range. Formulation includes 15% Arquad MCB-50, 3% Berol 175 and 9% Dissolvine E-39
Regular cleaning prevents performance issues and germ buildup. Cleaning process should take only a few minutes. Power down computer before cleaning wired or wireless mice
Discovered by Sir Humphrey Davy in 1814. Green-yellowish gas with chlorine-like odor. Highly soluble in water, 10 times more than chlorine. Stable as liquid at 4°C, explosive above 10% concentration