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Hui Lin et al.
Water research, 46(7), 2281-2289 (2012-03-03)
Electrochemical decomposition of environmentally persistent perfluorooctanoic acid (PFOA) in aqueous solution was investigated over Ti/SnO(2)-Sb, Ti/SnO(2)-Sb/PbO(2), and Ti/SnO(2)-Sb/MnO(2) anodes. The degradation of PFOA followed pseudo-first-order kinetics. The degradation ratios on Ti/SnO(2)-Sb, Ti/SnO(2)-Sb/PbO(2), and Ti/SnO(2)-Sb/MnO(2) anodes achieved 90.3%, 91.1%, and 31.7%
Guoting Li et al.
Journal of environmental sciences (China), 23(6), 998-1003 (2011-11-10)
Beta-PbO2 electrodes were prepared by electro-deposition and characterized by scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and linear sweep voltammetry. We confirmed pure (beta-PbO2 crystals were on the electrode and it had a high oxygen evolution potential. The photoactivity
Clugston M and Flemming R.
Advanced Chemistry, 340-340 (2000)
Yin Wang et al.
Environmental science & technology, 46(11), 5859-5866 (2012-05-01)
Lead(IV) oxide (PbO(2)) is a corrosion product found in lead service lines used to convey drinking water. The presence of reductants can accelerate PbO(2) dissolution and enhance lead release to drinking water. The dissolution rate rather than the equilibrium solubility
J Berashevich et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(7), 075803-075803 (2013-01-24)
The electronic properties of polycrystalline lead oxide consisting of a network of single-crystalline α-PbO platelets and the formation of native point defects in the α-PbO crystal lattice are studied using first-principles calculations. The results suggest that the polycrystalline nature of
Leonardo De Boni et al.
Optics express, 20(6), 6844-6850 (2012-03-16)
This work reports on the spectral dependence of both nonlinear refraction and absorption in lead-germanium oxide glasses (PbO-GeO₂) containing silver nanoparticles. We have found that this material is suitable for all-optical switching at telecom wavelengths but at the visible range
Olfa Dridi Gargouri et al.
Biochimica et biophysica acta, 1830(6), 3643-3649 (2013-02-26)
A kinetic study of the electrochemical oxidation of syringic acid (3,5-dimethoxy-4-hydroxybenzoic acid) by cyclic voltammetry at treated gold disk was combined with results of electrolyses at Ta/PbO2 anode in order to convert it into potentially high-added-value product. The electrochemical oxidation
Xingwen Lu et al.
Chemosphere, 86(8), 817-821 (2011-12-27)
The feasibility and mechanism of incorporating simulated lead-laden sludge into low-cost ceramic products was investigated by observing the reaction of lead with two kaolinite-based precursors under sintering conditions. To investigate the phase transformation process of lead, lead oxide (PbO) mixed
Ruqiang Zou et al.
Journal of the American Chemical Society, 132(51), 17996-17999 (2010-12-09)
A novel metal-organic replica of α-PbO(2) exhibits high capacity for capture of nerve agent surrogate.
Yin Wang et al.
Journal of colloid and interface science, 389(1), 236-243 (2012-10-16)
Lead(IV) oxide (PbO(2)) is a corrosion product on lead pipes used for drinking water distribution, and its dissolution can control lead release to drinking water. This study evaluated the adsorption of Pb(II) to PbO(2) and its impact on the dissolution
Eagleson M
Concise Encyclopedia Chemistry, 590-590 (1994)
K Srinivasulu et al.
The journal of physical chemistry. A, 116(14), 3547-3555 (2012-03-14)
Electron paramagnetic resonance (EPR), optical absorption, and FT-IR spectra of vanadyl ions in the sodium-lead borophosphate (Na(2)O-PbO-B(2)O(3)-P(2)O(5)) (SLBP) glass system have been studied. EPR spectra of all the glass samples exhibit resonance signals characteristic of VO(2+) ions. The spin Hamiltonian
Marco Panizza et al.
Chemosphere, 90(4), 1455-1460 (2012-10-03)
In this paper the electrocatalytic properties of Ti-Ru-Sn ternary oxide (TiRuSnO(2)), PbO(2) and boron-doped diamond (BDD) anodes have been compared for the electrochemical oxidation of a real landfill leachate from an old municipal solid waste landfill (average values of COD
Deepak Kumar Mohanty et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 89, 264-267 (2012-01-24)
Triply ionized thulium/thulium--ytterbium doped/codoped TeO2-Pb3O4 (TPO) glasses have been fabricated by classical quenching method. The upconversion emission spectra in the Tm3+/Tm3+-Yb3+ doped/codoped glasses upon excitation with a diode laser lasing at ∼980 nm has been studied. Effect of the addition
Lachlan C W Maclean et al.
Environmental geochemistry and health, 35(1), 153-159 (2012-06-29)
This short communication documents chemical transformations caused by weathering of two Pb compounds that commonly occur in house dust. Chamber experiments were designed to simulate humid indoor environment conditions to determine whether Pb compounds undergo chemical transformations influencing bioaccessibility. Reference
Daintith J.
The facts on file dictionary of chemistry, 161-161 (1999)
Ding-Quan Ng et al.
Environmental science & technology, 46(20), 11062-11069 (2012-09-11)
Addition of orthophosphate has been commonly employed to suppress lead levels in drinking water. Its detailed mechanism and time required for it to become effective, however, have not been fully elucidated. In this study, we investigated the mechanistic role of
P Ganasen et al.
Food science and technology international = Ciencia y tecnologia de los alimentos internacional, 17(4), 343-349 (2011-09-16)
Pidan (alkaline egg) has been consumed widely in oriental countries and lead, a toxic element, has been used traditionally to yield the desirable characteristics. For safety concerns, alternative cations can be used for the production of pidan with comparable properties
Jonas Baltrusaitis et al.
Environmental science & technology, 46(23), 12806-12813 (2012-10-13)
Heterogeneous chemistry of nitrogen dioxide with lead-containing particles is investigated to better understand lead metal mobilization in the environment. In particular, PbO particles, a model lead-containing compound due to its widespread presence as a component of lead paint and as
Fernanda L Souza et al.
Chemosphere, 109, 187-194 (2014-03-13)
The electrooxidation of the dimethyl phthalate (DMP) ester was galvanostatically carried out in a filter-press reactor using a fluoride-doped lead dioxide (β-PbO2,F) film electrodeposited on a Ti substrate. The variables investigated were the nature of the supporting electrolyte (NaCl and
Shareghe Mehraeen et al.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 19(2), 470-478 (2013-03-05)
The advent of aberration correction for transmission electron microscopy has transformed atomic resolution imaging into a nearly routine technique for structural analysis. Now an emerging frontier in electron microscopy is the development of in situ capabilities to observe reactions at
Ensieh Ghasemi et al.
Journal of chromatography. A, 1258, 16-20 (2012-09-04)
A novel and efficient speciation method based on the nano-structured lead dioxide as stationary phase of head space solid phase microextraction combined with gas chromatography mass spectrometry (GC-MS) was developed for the determination of volatile organoselenium compounds (dimethylselenide (DMSe) and
Junfeng Niu et al.
Environmental science & technology, 46(18), 10191-10198 (2012-08-24)
The Ce-doped modified porous nanocrystalline PbO(2) film electrode prepared by electrodeposition technology was used for electrochemical mineralization of environmentally persistent perfluorinated carboxylic acids (PFCAs) (~C(4)-C(8)), i.e., perfluorobutanoic acid (PFBA), perfluopentanoic acid (PFPeA), perfluorohexanoic acid (PFHxA), perfluoheptanoic acid (PFHpA), and perfluorooctanoic
Yu Wang et al.
Journal of hazardous materials, 215-216, 90-97 (2012-03-14)
This paper presents a novel process of extracting lead oxide nanoparticles from cathode-ray tube (CRT) funnel glass using self-propagating high-temperature synthesis (SHS) method. The impacts of added amount of funnel glass on the extraction ratio of lead, the lead extraction
E M Ibragimova et al.
Journal of nanoscience and nanotechnology, 12(11), 8818-8821 (2013-02-21)
Widely used SiO2-PbO glasses can be a good model for studying electron structure of insulator-metal interface with many Si-O-Pb bonds and eutectic Pb-Si mixture. Gamma-radiation of 60Co with an energy of -1.25 MeV generates efficiently electronic and hole structure defects
Xingwen Lu et al.
Water research, 47(3), 1353-1360 (2013-01-05)
This study quantified the effects of lead stabilization by blending lead-containing sludge into glass-ceramics through sintering with aluminum- and silica-rich precursors. Using lead oxide (PbO) to simulate lead-laden sludge under thermal conditions, the predominant PbAl(2)O(4) phase was found at temperatures
Yuanyuan Zhang et al.
Environmental science & technology, 45(6), 2338-2344 (2011-02-17)
Lead dioxide (PbO(2)), a new form of lead corrosion product discovered in the distribution system, is formed via the chlorination of Pb(II) solids and plays an important role in regulating lead concentration in drinking water. The kinetics of its formation
Lei Li et al.
Journal of hazardous materials, 203-204, 274-282 (2012-01-03)
As part of contribution for developing a green recycling process of spent lead acid battery, a nanostructural lead oxide was prepared under the present investigation in low temperature calcination of lead citrate powder. The lead citrate, the precursor for preparation
X Y Duan et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(11), 2468-2474 (2012-10-04)
The electrochemical oxidation of 4-chlorophenol (4-CP) in aqueous solution was studied by electrochemical oxidation using modified PbO(2) electrode as anode. The influence of several operating parameters, such as initial 4-CP concentration, applied current density, and supporting electrolyte (Na(2)SO(4)) concentration was
[Preparation and electro-catalytic characterization on La/Ce doped Ti-base lead dioxide electrodes].
Hui Zheng et al.
Huan jing ke xue= Huanjing kexue, 33(3), 857-865 (2012-05-26)
Ti-base lead dioxide electrodes (Ti/PbO2) doped with rare earth La, Ce were prepared by the electrode position. The surface morphology and crystal structure of the electrodes was analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD), the results showed
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