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Emissions of Selected Semivolatile Organic Chemicals from Forest and Savannah Fires.
TLDR
The highest concentrations of total suspended particles, PAHs, PCBs, PCNs, and PBDEs, were typically observed in the flaming phase of combustion, however, concentrations of levoglucosan and some pesticides such as permethrin peaked during the smoldering phase.
Total synthesis of (+/-)-5,14-bis-epi-spirovibsanin A.
TLDR
Physical data obtained from (+/-)-5,14-bis-epi-spirovibsanin A lends strong support to the proposed connectivity and relative stereochemistry of spirovibertsin A.
Quantitative analysis of selected plastics in high commercial value Australian seafood by Pyrolysis Gas Chromatography Mass Spectrometry.
TLDR
The findings show that the total concentration of plastic is highly variable among species and that microplastic concentration differs between organisms of the same species.
o-Iodoxybenzoic acid (IBX): pKa and proton-affinity analysis.
TLDR
IBX (1-Hydroxy-1,2-benziodoxol-3(1H)-on-1-oxide), an important oxidant in organic synthesis, is shown to be relatively acidic on the organic scale, which could explain the non-oxidation processes mediated by IBX.
Plastics contamination of store-bought rice.
Experimental determination of the gas phase proton affinities of the conjugate base anions of 2-iodoxybenzoic acid (IBX) and 2-iodosobenzoic acid (IBA).
TLDR
The experimental results were supported by theoretical calculations, which yielded proton affinities of 1336 and 1392 kJ mol(-1) for IBX- and IBA- respectively, at the B3LYP/aug-cc-PVDZ level of theory.
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