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biphenyl
(redirected from biphenyls)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
biphenyl /bi·phen·yl/ (-fen´il) diphenyl.
polychlorinated biphenyl  (PCB) any of a group of chlorinated derivatives of biphenyl, used as heat-transfer agents and electrical insulators; they are toxic, carcinogenic, and non-biodegradable.
bi·phen·yl (b-fnl, -fnl)
n.
A colorless crystalline aromatic hydrocarbon used in fungicides and in organic synthesis. Also called diphenyl.
biphenyl
polybrominated and polychlorinated biphenyls are widely used industrial chemicals, as flame retardants, heat transfer agents and electrical insulators.
biphenyl poisoning
these chemicals are not known to produce illness in the average environment, but they accumulate in fat and have a very slow rate of excretion and biodegradability. Experimental poisoning causes diarrhea, poor weight gain, growth retardation and abortion.


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? Mentioned in ? References in periodicals archive
 
Researchers at the State University of New York at Albany and the Florida Fish and Wildlife Conservation Commission in Melbourne teamed up to measure flame retardants called polybrominated diphenyl ethers (PBDEs) and the electric-insulation compounds known as polychlorinated biphenyls (PCBs).
Sharks, dolphins store pollutants by Science News
Several studies have shown that prenatal and/or postnatal background-level exposure to environmental chemicals, such as polychlorinated biphenyls (PCBs) and dioxins, induces adverse effects on the neurodevelopment of children.
Effects of prenatal exposure to polychlorinated biphenyls and dioxins ... by Kishi, Reiko / Environmental Health Perspectives
A new reference material (RM), RM 8504, has been prepared for use as a diluent oil with Aroclors in transformer oil Standard Reference Materials (SRMs) 3075 to 3080 and SRM 3090 when developing and validating methods for the determination of polychlorinated biphenyls (PCBs) as Aroclors in transformer oil or similar matrices.
Preparation of reference material 8504, transformer oil by Wise, Stephen A. / Journal of Research of the National Institute of Standards and Technology
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