biphenyl

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Related to Polybrominated biphenyl: Polybrominated diphenyl ether

bi·phen·yl

 (bī-fĕn′əl, -fē′nəl)
n.
A white or colorless crystalline compound, C12H10, used as a heat-transfer agent, in fungicides, and in organic synthesis. Also called diphenyl.

biphenyl

(baɪˈfɛnəl; -ˈfiː-)
n
1. (Elements & Compounds) a white or colourless crystalline solid used as a heat-transfer agent, as a fungicide, as an antifungal food preservative (E230) on the skins of citrus fruit, and in the manufacture of dyes, etc. Formula: C6H5C6H5
2. (Elements & Compounds) any substituted derivative of biphenyl
Also called: diphenyl

bi•phen•yl

(baɪˈfɛn l, -ˈfin l)

n.
a water-insoluble powder, C12H10, from which benzidine dyes are derived: used chiefly as a heat-transfer agent and in organic synthesis.
[1920–25]
Translations
Biphenyl
biphényle
bifenyl
References in periodicals archive ?
Another accidental food contamination event in Michigan in 1973 led to the exposure of more than 4,000 individuals to polybrominated biphenyls (PBBs).
In this article we present the concentrations of 4 PBDE, 1 polybrominated biphenyl (PBB), and 41 polychlorinated biphenyl (PCB) congeners, the latter for comparative purposes.
Not content with just meeting the RoHS minimum requirement of reducing five out of six restricted substances, SMC has ensured that it reduces levels of all six substances stipulated under RoHS, for reduction of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.
In addition to that, the Eco Reader complies with the requirements of the RoHS (EC Directive on limiting the use of certain hazardous materials) and does not contain any lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl (PBB) and no polybrominated diphenylether (PBDE).
This Directive bans the placing on the European Union (EU) market of new electrical and electronic equipment containing more than agreed levels of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.
This Directive bans the sale or import of new electrical and electronic equipment containing more than certain levels of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.
Commercial preparations contain few or no strictly coplanar PCB or polybrominated biphenyl congeners.
The RoHS Directive restricts the use of cadmium, hexavalent chromium, lead, mercury, polybrominated biphenyl (PBB), and polybrominated diphenyl ether (PBDE) in a wide range of electrical and electronic products as of July 2006, in the European Union.
RoHS prohibits European Union (EU) countries from importing electrical and electronic products containing more than agreed levels of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.
First, polybrominated biphenyl exposures have been associated with earlier menarche in girls, whereas experimental models show delayed puberty, a discordance that may be due to timing of exposure (Blanck et al.
As per the RoHS directive Lightspace's current and future products will not contain more than the mandate levels of lead, cadmium, mercury, polybrominated biphenyl and (PBB) and polybrominated diphenyl (PBDE) flame retardants.
Key words: PBB, PBDE, PCB, polybrominated biphenyl, polybrominated diphenyl ethers, polychlorinated biphenyl, retrospective time trend, serum.