14280-50-3

Usage

Uses

Used in Environmental Remediation:
Lead, ion (Pb2+) is used as a target for environmental remediation efforts to reduce human exposure to lead and mitigate the harmful effects of lead-contaminated sites. Various techniques, such as soil washing, phytoremediation, and chemical stabilization, are employed to remove or immobilize lead in contaminated environments.
Used in Industrial Processes:
Lead, ion (Pb2+) is used in certain industrial processes, such as in the manufacturing of batteries, where its ability to store and release electrical energy makes it a valuable component. However, due to its toxicity, strict regulations and safety measures are in place to minimize the release of lead into the environment and prevent human exposure.
Used in Research and Analysis:
Lead, ion (Pb2+) is used as a research subject to study its toxic effects on human health and the environment. Scientists and researchers investigate the mechanisms of lead toxicity, its bioaccumulation in organisms, and the development of effective strategies for lead detection, monitoring, and remediation.

Upstream product

• 124-43-6 sodium pyrophosphate 
• 7439-92-1 lead 
• 1033995-63-9 oxonium 
• 14357-05-2 2,2,2-trichloroacetate 
• 10101-63-0 lead(II) iodide 
• 15158-12-0 lead ⁽⁴⁺⁾ 
• 7758-95-4 lead(II) chloride 
• 15187-16-3 lead(II) phthalocyanine 
• 22541-63-5 cobalt(III) 

Downstream Products

• 13424-46-9 lead(II) azide 
• 7758-95-4 lead(II) chloride 
• 14808-79-8 Sulfate 
• 7704-34-9 sulfur 
• 14931-82-9 {Pb(C10H12N2O8)}(2-) 
• 115501-53-6 Pb(II) (mandelohydroxamic acid)2 
• 53096-04-1 lead monofluoride 

Relevant academic research and scientific papers

Chelating tendencies in the rows of polymeric sorbents and their copper(II) and lead(II) complexes

The physicochemical properties of chelating polymer sorbents (CPSs), derivatives of poly(styrene-2-hydroxy-1-azo-1-2-hydroxybenzene), are studied with respect to copper and lead ions. The following sorption parameters are determined: the optimum acidity, temperature, and duration; the sorption capacity of the sorbent (SCS); and stability constants of polychelates. Quantitative correlations are found between the dissociation constants (pK a) of the analytical functional group (AFG) of the sorbent, and the pH50 of chelation of the tested metals; between p Ka and the stability of the complexes (logβ); and between pKa and the charge of the oxygen atom of the complexing group (z); these correlations are intended for use in elucidating the effect of the structural features and acid-base properties of the AFG on the chemisorption parameters of copper(II) and lead(II). These correlations predict the physical-chemical properties of sorbents and the sorption parameters of trace elements for preconcentrating and separating them from biological, natural, and technical objects

Lead(II) and Bismuth(III) Complexes of the Polyazacycloalkane-N-acetic Acids nota, dota, and teta

Lead(II) and bismuth(III) complexes of nota, dota, and teta were synthesized and their kinetic properties were investigated to show that the dota conplexes are the most inert over the pH range 4-12 and 1-10 for lead and bismuth, respectively.

Synthesis, characterization, and x-ray crystal structures of cyclam derivatives. 8. Thermodynamic and kinetic appraisal of lead(II) chelation by octadentate carbamoyl-armed macrocycles

En route toward the development of hybrid organic-inorganic extracting materials incorporating lead-selective chelators and their implementation in water purification processes, the lead(II) binding properties of three N-carbamoylmethyl-substituted 1,4,8,11-tetraazacyclotetradecanes (cyclams) have been fully investigated by spectroscopic (IR, UV-vis, MALDI-TOF MS, 1H and 13C NMR), X-ray crystallographic, potentiometric, and kinetic methods. Solution NMR studies revealed that the Pb2+ ion is entrapped in a molecular cage constituted by the four macrocyclic nitrogen and four amidic oxygen atoms. Protonation and lead binding constants determined in aqueous solution were shown to be linearly dependent, so that all three derivatives possess a similar affinity at any pH value. Thermodynamic and kinetic parameters revealed the crucial role played by the intramolecular hydrogen bonds also evidenced in the crystal structure of the tetraacetamide derivative L1, which involve the lone pair of each macrocyclic tertiary amine and one amidic hydrogen atom belonging to the appended arm. In contrast to L1, the absence of such intramolecular interactions for N-(dimethyl)carbamoylmethyl- and N-(diethyl)carbamoylmethyl-substituted cyclams (L2 and L3, respectively) accounts for the 2-3 orders of magnitude enhancement of their proton and lead binding affinities. Stopped-flow kinetic measurements enabled unraveling the formation process of the three lead(II) complexes that proceeds in a single rate-limiting step according to the Eigen-Winkler mechanism, while the apparent rate constants were found to increase in the order L3 2 ? L1 as a consequence of the more acidic character of L1. A common proton-assisted dissociation mechanism has been found for the three lead(II) complexes, which involves the rapid formation of a protonated, six-coordinate intermediate followed by either a unimolecular decomposition or a bimolecular attack of a second hydronium ion.

Chemical etching of lead chalcogenides

Thermodynamic analysis of the Pb-S-H2O, Pb-Se-H2O, and Pb-Te-H2O systems was carried out, and the φ-pH diagrams were constructed. An aqueous solution of KOH and K3[Fe(CN)6] was suggested for the chemi

Preparation and properties of the corner-shared double cube [Mo6PbS8(H2O)18]8+ as a derivative of [Mo3S4(H2O)9]4+

The heterometallic corner-shared double-cuboidal cluster [Mo6PbS8(H2O)18]8+, with the lead atom common to both cubes, has been prepared for the first time by the reaction of [Mo3S4(H2O)9]4+ with lead shot, which requires up to 1 h to reach completion, and by addition of a solution mix of [Mo3S4(H2O)9]4+ and PbII to an excess of BH4-, when reaction is rapid. The air-sensitive blue-green product has UV/VIS absorbance bands at 387 and 757 nm in 2.0 M HClO4. Inductively coupled plasma atomic emission spectroscopy confirmed the Mo:Pb:S ratio as 6:1:8. It was eluted from a cation-exchange column with 4 M Hpts (toluene-p-sulfonic acid), but not 2 M Hpts (or 4 M HClO4), consistent with a high charge, confirmed as 8 + from the 2:1 stoichiometries for the oxidation reactions with e.g. [Co(dipic)2]- (dipic = pyridine-2,6-dicarboxylate) or [Fe(H2O)6]3+, which yield [Mo3S4(H2O)9]4+. Kinetic studies on the oxidations with [Co(dipic)2]- and [Fe(H2O)6]3+ were also carried out as part of an overall appraisal of the reactivity of the heterometallic clusters.

Application of the SPE Method to Organic Electrochemistry. XII. Lead Dioxide as a Mediator for Electrooxidation of Cinnamyl Alcohol on Pt-Nafion

Lead dioxide was examined as a mediator to oxidize cinnamyl alcohol on Pt-Nafion, and was compared with manganese dioxide.Lead dioxide was deposited into Pt-Nafion.The current efficiency for the formation of cinnamaldehyde reached 65percent at room temperature, slightly lower than that in the case of using manganese dioxide.The production of cinnamic acid was more remarkable on Pb,Pt-Nafion than on Mn,Pt-Nafion because of the higher oxidation potential of the former.The mediatory action of both oxides was examined and compared with the activity in chemical oxidation using oxides produced separately.The oxidation of cinnamyl alcohol by lead dioxide was faster than that by the manganese dioxide.Their mediatory action reflected their chemical activity for the oxidation.