Abstract: The present invention provides a trapping method and trap apparatus for flying insects exhibiting phototropic behavior, particularly gypsy moths. The trap is designed to utilize the insect's phototropic reaction both (a) to aid in inducing it to enter into an enclosure or trap and (b) to keep it inside away from the opening or openings for a sufficient time for a volatile insecticide within the trap to kill the insect. The trap includes a housing formed, in an upper part, from light-transmissive material with at least one opening defined in the housing below its light-transmissive portion. An insect is lured into the housing through the opening primarily by a female sex attractant, and also is lured by the illumination entering through the light-transmissive top, and once inside, is attracted upwardly towards the top of the housing and away from the opening by light entering through the light-transmissive top of the housing.

Abstract: A composition for detection of the presence of mercury or mercury vapor comprises a formulation of cuprous iodide or silver iodide in combination with powdered elemental sulfur.

Abstract: A spill of hydrofluoric acid is controlled and cleaned up by being treated with a composition comprising an aqueous solution of calcium acetate and applying to the resulting precipitate an activated composition of powdered magnesia and an appropriate normally solid pH indicator.

Abstract: A spill of acid is controlled and cleaned up by being neutralized by a low metal ion fluid neutralizer composition formed of a non-volatile organic amine compound, a foam-forming surfactant and a pH indicator dye and which can additionally contain water, a dissolved gas and color tinting agents. Such a neutralizer composition is especially useful in the electronics manufacturing industry and in clean rooms where the presence of metal ions would be deleterious.

Abstract: A spill of liquid caustic is controlled and cleaned up by being neutralized and absorbed into a novel granular composition formed from citric acid, expanded perlite, flour, fumed silica, a pH indicator dye and water.

Abstract: A spill of liquid elemental mercury is cleaned up by contacting the mercury with zinc coated metal wools which have been activated by immersion in an acid activator solution.

Abstract: A spill of a compound providing cyanide ion is cleaned up by mixing with the spilled cyanide compound a composition containing a powdered ferrous sulfate and an alkali or alkaline earth metal carbonate.

Abstract: A spill of a mineral acid is controlled and cleaned up by being absorbed into a granular composition containing ground marble chips, granular soda, granular magnesia and an appropriate normally solid pH indicator.

Abstract: A spill of liquid elemental mercury is cleaned up by being absorbed into a composition containing a granular metal, a metal powder and a non-hydroscopic solid acid.