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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
P
Pathogen Any disease producing organism. Pathogenic Disease producing. Pesticide Agent which prevents, repels, destroys or mitigates pests and includes insecticides, rodenticides and herbicides. pH A chemical scale which expresses the degree of acidity or alkalinity of a solution. The pH scale runs from 0 to 14. 7 is the neutral point. Numbers below 7 indicate acidity with 0 being 10 times more acidic than 1, 1 is 10 times more acidic than 2, etc Basically, 0-3 is strongly acidic, 4-6 is moderate acidic. Above 7 is the alkaline side of the scale. 8-10 is moderately alkaline, 11-14 is strongly alkaline. Alkalinity is also 10 times more at each full number rise on the scale. Phenol Coefficient A comparison of germicidal effectiveness of disinfectant products with phenol. Obsolete method by todays standards. Phenols Chemical used for disinfecting ( phenolic disinfectant). Phosphates A widely used water softening, builder and sequestering agent used in detergents. Phosphoric Acid The most common acid based on phosphorus sometimes called orthophosphoric acid. Used a a mild bowl acid and in formulations of light duty detergents. Pine Oil An oil processed from the gum of pine trees. Used in hard surface cleaning and disinfecting. Identified easily by its aroma. Pine Oil Cleaner A liquid hard surface cleaner containing detergents and pine oil. Used to dissolve oil, fatty acids, paints and tars while disinfecting/sanitizing and deodorizing with a pine odor. Pitting Small craters on the surface of concrete and terrazzo floors which will grow in size with traffic and chemical exposure unless protected. Plasticizer An ingredient added to some floor finishes, varnish and polymer floor finishes to make it flexible rather than brittle. Polymer A large molecule of multiple units formed into a singe building block linked together. The formation of multiple units of these molecules is called polymerization. Common types of polymers include styrene, acrylic, polyethylene, urethane, bakelite, vinyl and epoxy. Powdering a condition caused by poor adhesion of floor finish to the surface. Affect is like seeing small crystals on your hand when rubbed on the floor surface. PPB Parts per billion. One part per billion equals 1 pound in 500,000 tons. PPM Parts per million. One part per million equals 1 pound in 500 tons. Precipitate Material settled out of a solution. Preservative A chemical agent that inhibits aging such as decay, discoloration, oxidation and microbial growth. Pre-soak A soaking operation to remove stains that precedes the regular cleaning process. Profit Margin The difference between selling price and costs, often expressed as a percentage of the selling price. A reasonable profit margin is necessary for survival in business. Propellant An agent used to expel contents from an aerosol under pressure. Pseudomonas Aeruginosa A pathogenic bacteria used to assess strength activity of a disinfectant. P.S. I. Pounds per Square Inch ( Pressure indicator). Pulling--in floor care refers to the results of applying floor finish to improperly dried first coat of finish. The first coat (still tacky) is pulled off in strips and spots with application of second coat. Pumice Porous volcanic rock frequently used as an abrasive.
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