Sunday, 14 April 2019

Characterization of 'hidden' dioxins from informal e-waste processing

The composition of mixed brominated/chlorinated dibenzofurans (PXDFs) and diphenyl ethers in soils from an e-waste site in Ghana suggests a formation of PXDFs through condensation of the flame retardant PBDEs and subsequent bromine-to-chlorine exchange. PXDFs were substantial contributors of toxic equivalents among dioxins from e-waste burning.

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Scientists discover class of crystals with properties that may prove revolutionary

Researchers have discovered a new class of materials -- called intercrystals -- with unique electronic properties that could power future te...