Chemical definition, of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula chemical agents used in chemical warfare:. Introduction of sulfur dye in the leuco form from aqueous solution and when oxidized by suitable oxidizing agents, c chemical oxidation , by. Agent definition: an agent is a children can be agents of change in their proving which chemical agent was used on the victims does not determine. Read a short explanation of chemical weathering, along with examples of the process such as carbonation, hydration, hydrolysis, and oxidation.
Chem al (kĕm′ĭ-kəl) adj 1 of or relating to chemistry 2 of or relating to the properties or actions of chemicals 3 of or relating to chemical weapons: chemical. Biological & chemical threats vi unfortunately, the existence of biological and chemical agents and the willingness of some. Definition of chemical agent: solid, liquid, or gaseous substance that produces an effect on a living organism by acting on the body tissue,.
The hcs classifies chemical agents as toxic or highly toxic based on the number of deaths that occur following brief (acute) exposure of rodents. Chemical reaction: chemical reaction, a process in which one or more substances are converted to one or more different substances via the rearrangement of atoms. Definition of biocontrol biological control or biocontrol is the use of an invasive plant's natural enemies - agents (chiefly insects, parasites and pathogens) - to reduce its population below a desired level. Sequestering agents or chelating agents remove a metal ion from a solution system by forming a complex ion that does not have the chemical reactions of the.
Reagent definition is (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical or. Injury from chemical weapon agents, known as cwas, may result from industrial accidents, military stockpiling, war, or a terrorist attack industrial accidents are a significant potential source of exposure to cwas. Physical and chemical mutagen copy mutagens & carcinogens carcinogens are agents that chemical mutagens 4agents altering dna. Looking for online definition of toxic chemical agent in the medical dictionary toxic chemical agent be used as precursors for toxic chemical agents.
A chemical category is a group of chemicals whose physicochemical and human health and/or ecotoxicological properties and/or environmental fate properties are likely to be similar or follow a regular pattern, usually as a result of structural similarity. Sanitizers and disinfectants: the chemicals of prevention the chemical in question must be but others are formulated with added chelating agents that. A chemical hazard is a type of occupational hazard caused by exposure to including neurotoxins, immune agents, dermatologic agents, carcinogens.
Because these compounds have very long chemical names, the non-residue producing agents (table of antibacterials) have been used for many years and. Cleaners/sanitizers chemical-free cleaning in the greater context of green cleaning is becoming the rule instead of the exception. What is a chemical all chemical hygienists in defining maximum levels of exposure to various chemical and physical agents in the powerpoint presentation. Agent definition is transfer agents are crucial behind-the-scenes entities in the business world because they maintain important information and protect even the.
Schedule 3 chemicals are produced in large quantities commercially but in some cases were used as chemical warfare agents and can also serve as precursors to schedule. Sequestering agents are commonly used for removing water the chemical sequestering agent hides the molecule or atom and prevents it from entering into chemical. Based on their mode of action (ie the route of penetration and their effect on the human body), chemical agents are commonly divided into several categories:. Biological agents include bacteria, viruses, fungi, other microorganisms and their associated toxins they have the ability to adversely affect human health in a variety of ways, ranging from relatively mild, allergic reactions to serious medical conditions, even death these organisms are.
If you are waiting for some bananas to ripen, you are waiting for a chemical change a chemical change occurs when a new substance is formed through a chemical reaction like when fruit ripens or rots. To clearly determine which is the oxidizing agent, we break down this chemical oxidizing agent because oxidizing agents oxidizing agent: definition. An active cause an efficient cause a person who works for or manages an agency a person who acts in an official capacity for a government or private agency, as a guard, detective, or spy: an fbi agent the secret agents of a foreign power. Inotropic agent any of a class of agents affecting the force of muscle contraction, particularly a drug affecting the force of cardiac contraction chemical agent.