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关键词:'140066'
显示 1-9 共 9 条结果 关于 "140066" 范围 论文
Junting Liu et al.
Wei sheng yan jiu = Journal of hygiene research, 32(6), 620-621 (2004-02-18)
Solid phase microextraction (SPME) and derivatization with pentafluorobenzylbromide for sulfide in blood was presented in the paper. The derivative of sulfide was extracted for 20 min at the condition of room temperature by a polydimethylsiloxane fiber. 1,3,5-tribromobenzene (IS) was used
Hui Zhang et al.
Talanta, 143, 7-18 (2015-06-17)
A multi-residue analytical method was developed involving co-extraction and simultaneous determination of 89 hydrophobic organic contaminants (HOCs) in marine sediments and biota using gas chromatography-electron ionization-triple quadrupole mass spectrometry (GC-EI-MS/MS) and liquid chromatography-electrospray ionization-triple quadrupole mass spectrometry (LC-ESI-MS/MS). Target analytes
Lawrence A Ford et al.
Chemical communications (Cambridge, England), (20)(20), 2596-2597 (2003-11-05)
The reaction of the perfluoroalkenylzinc reagent, CF2=CFZnBr, with 1,3,5-tribromobenzene in the presence of a catalytic amount of Pd(Ph3)4 yielded a novel trifunctional monomer 1,3,5-tris(alpha,beta,beta-trifluorovinyl)benzene (1).
S Kage et al.
Journal of forensic sciences, 33(1), 217-222 (1988-01-01)
A sensitive analysis of sulfide in blood was established, using an extractive alkylation technique. Pentafluorobenzyl bromide was used as the alkylating agent, tetradecyldimethylbenzylammonium chloride as the phase-transfer catalyst, and potassium dihydrogenphosphate as the buffer to suppress the formation of sulfide.
Kakali Datta et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 62(1-3), 66-70 (2005-11-01)
By UV-vis spectrophotometric method it has been shown that 1,3,5-tribromobenzene (TBB) forms molecular complexes of 1:2 stoichiometry with [60]- and [70]fullerenes. An isosbestic point could be detected in case of the [70]fullerene complex. The formation constant of the [60]fullerene complex
Guojie Liu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 877(27), 3054-3058 (2009-09-08)
Cyanide (CN) is a powerful poison and rapidly toxic agent. Because of its wide availability and high toxicity, quantification of CN in blood and urine is frequently required in clinical and forensic practice. We present a sensitive and less time
J A Szymańska
Archives of toxicology, 72(2), 97-103 (1998-02-10)
Brominated benzenes appear in the environment and human tissues. Their detection in the environment may be as a result of their usage, e.g. hexabromobenzene (HBB), and as products of HBB degradation or metabolism. The aim of this study was to
John E Elliott et al.
The Science of the total environment, 524-525, 157-165 (2015-04-22)
As urban sprawl and agricultural intensification continue to invade prime wildlife habitat, some animals, even apex predators, are managing to adapt to this new environment. Chemical pollution is one of many stressors that wildlife encounter in urban environments. Predators are
Y Suzuki et al.
Nucleic acids symposium series, (44)(44), 125-126 (2003-08-09)
We have designed a new type of a DNA dendrimer which has rigid branched structure. The branching molecule was prepared from 1,3,5-tribromobenzene. The dendrimer unit, in which three oligonucleotide-chains, two molecules of T15 and one molecule of A15, linked to
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