In chemistry, trihalomethanes (THMs) are chemical compounds in which three of the four hydrogen atoms of methane (CH 4) are replaced by halogen atoms. Trihalomethanes with all the same halogen atoms are called haloforms. Many trihalomethanes find uses in …

2024年7月5日 · Trihalomethanes (THMs) are chemical compounds that are often found in tap water disinfected by chlorine or chloramine. Trihalomethanes have a number of known health risks if high THM levels are consumed regularly for a long time. This glossary discusses the origin and health effects of trihalomethanes.

Background: Chlorination is a widespread method for drinking water disinfection that has the drawback of introducing potentially carcinogenic chemical by-products to drinking water. Objective: We systematically evaluated the epidemiologic evidence of exposure to trihalomethane (THM) disinfection by-products and risk of cancer. Methods: We conducted a systematic …

Trihalomethanes (THMs) are the result of a reaction between the chlorine used for disinfecting tap water and natural organic matter in the water. At elevated levels, THMs have been associated with negative health effects such as cancer and adverse reproductive outcomes.

2023年6月13日 · Trihalomethanes (THMs) are a class of chemical by-products formed when chlorine or bromine interacts with natural organic materials found in water. These compounds are commonly found in chlorinated drinking water and can pose health risks to humans.

What are Total Trihalomethanes? Trihalomethanes are a group of chemicals that can form when organic matter in water is treated with halogen disinfectants such as chlorine.

2014年9月15日 · Trihalomethanes are the most common type of “ disinfection byproduct,” which is a substance created from the treatment of water with organic matter. Chlorine is the most popular water disinfectant, used widely since the beginning of the 20th century to kill viruses and microorganisms in water.

Trihalomethanes are colorless liquid byproducts of water treatment that have a slight chlorine-like scent. They are formed when chlorine and chloramines interact with organic matter in water supplies. THMs are in a class of contaminants called disinfection byproducts.

Trihalomethanes are volatile organic compounds which include a group of four chemical compounds that are formed along with other disinfection by-products when chlorine or other disinfectants used to control microbial contaminants in drinking water react with naturally occurring organic (humic substances) and inorganic matter in water.

Trihalomethanes are a group of four chemicals—chloroform, bromodichloromethane, dibromochloromethane, and bromoform—formed, along with other disinfection by-products, when chlorine or other disinfectants used to control microbial contaminants in drinking water react with naturally occurring methane, often derived from other forms of organic ...