Coprecipitation of metal ions into calcite: an estimation of partition coefficients based on field investigation
Sign Up to like & getrecommendations! Published in 2020 at "Acta Geochimica"
DOI: 10.1007/s11631-020-00443-1
Abstract: Trace elements (and their isotopes) in carbonates are commonly used to reconstruct paleoenvironment and paleoclimate. Understanding the processes and mechanisms of element incorporation into carbonates is thus crucial for using such geochemical parameters as paleoclimate… read more here.
Keywords: ions calcite; metal ions; calcite estimation; partition coefficients ... See more keywords
Determination and correlation of the partition coefficients of 48 volatile organic and environmentally relevant compounds between air and silicone oil
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2016.10.086
Abstract: Abstract Many emerging bioprocesses include a second, non-aqueous phase liquid in which the key substrate or product partitions for either enhanced interphase mass transfer, concentration dampening, or in-situ product extraction. Knowledge of the partition coefficient… read more here.
Keywords: environmentally relevant; air; partition; partition coefficients ... See more keywords
Effects of intramolecular hydrogen bonds on lipophilicity
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Pharmaceutical Sciences"
DOI: 10.1016/j.ejps.2019.01.020
Abstract: ABSTRACT Intramolecular hydrogen bonds (IMHBs) affect the lipophilicity and physicochemical properties of small organic molecules and drug candidates. Considering IMHBs in drug design is an important strategy for improving the lipophilicity and physicochemical properties of… read more here.
Keywords: lipophilicity; water; intramolecular hydrogen; drug ... See more keywords
Descriptors for the α,ω-dicarboxylic acids from oxalic acid to sebacic acid
Sign Up to like & getrecommendations! Published in 2018 at "Fluid Phase Equilibria"
DOI: 10.1016/j.fluid.2018.03.017
Abstract: Abstract We use literature data on solubilities in water and solvents, water-solvent partition coefficients and vapor pressures at 298 K to obtain Abraham (Absolv) descriptors for the neutral, unionized, forms of oxalic acid, malonic acid, glutaric… read more here.
Keywords: water; sebacic acid; acid sebacic; partition coefficients ... See more keywords
A new method for the determination of Henry's law constants (air-water-partition coefficients)
Sign Up to like & getrecommendations! Published in 2019 at "Fluid Phase Equilibria"
DOI: 10.1016/j.fluid.2019.112300
Abstract: Abstract We set out a method for the determination of Henry's Law constants or air-water-partition coefficients at 298.15 K that does not require a knowledge of either the vapor pressure or the aqueous solubility of a… read more here.
Keywords: air water; water partition; water; method determination ... See more keywords
A comparison of the solvation power of the green solvent 2,2,5,5-tetramethyloxolane versus toluene via partition coefficients
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.118175
Abstract: 2,2,5,5-tetramethyloxolane [previously published as 2,2,5,5-tetramethyltetrahydrofuran (TMTHF)] has recently been demonstrated as a greener and cleaner alternative to toluene in several applications. Assessing similarities in properties of toluene and 2,2,5,5-tetramethyloxolane is crucial for establishing this molecules… read more here.
Keywords: toluene; tetramethyloxolane; phase; solvation ... See more keywords
Soil-sebum partition coefficients for high molecular weight polycyclic aromatic hydrocarbons (HMW-PAH).
Sign Up to like & getrecommendations! Published in 2020 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2020.122633
Abstract: In vitro high molecular weight polycyclic aromatic hydrocarbons (HMW-PAH) soil-sebum partition coefficients (KSS) were measured for twelve soils collected from former UK gasworks. Concentrations of ∑16 USEPA PAH in the soils ranged from 51 to… read more here.
Keywords: soil sebum; molecular weight; partition coefficients; pah ... See more keywords
Static Headspace Analysis Using Low-Pressure Gas Chromatography and Mass Spectrometry, Application to Determining Multiple Partition Coefficients: A Practical Tool for Understanding Red Wine Fruity Volatile Perception and the Sensory Impact of Higher Alcohols.
Sign Up to like & getrecommendations! Published in 2018 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.8b01896
Abstract: To evaluate the partition coefficients of volatiles between the liquid and gas phases, an analytical method was developed and optimized using static headspace analysis and low-pressure injection gas chromatography coupled to mass spectrometry (SHS-LP-GC/MS). Two… read more here.
Keywords: chromatography; mass; gas; partition coefficients ... See more keywords
Experimental Determination of Air/Water Partition Coefficients for 21 Per- and Polyfluoroalkyl Substances Reveals Variable Performance of Property Prediction Models.
Sign Up to like & getrecommendations! Published in 2023 at "Environmental science & technology"
DOI: 10.1021/acs.est.3c02545
Abstract: Per- and polyfluoroalkyl substances (PFAS) are a group of chemicals of high environmental concern. However, reliable data for the air/water partition coefficients (Kaw), which are required for fate, exposure, and risk analysis, are available for… read more here.
Keywords: partition; water partition; partition coefficients; air ... See more keywords
Calculating the Partition Coefficients of Organic Solvents in Octanol/Water and Octanol/Air
Sign Up to like & getrecommendations! Published in 2019 at "Journal of chemical information and modeling"
DOI: 10.1021/acs.jcim.9b00212
Abstract: Partition coefficients define how a solute is distributed between two immiscible phases at equilibrium. The experimental estimation of partition coefficients in a complex system can be an expensive, difficult, and time-consuming process. Here a computational… read more here.
Keywords: octanol air; octanol water; partition; partition coefficients ... See more keywords
NanoSIMS Analysis of Rare Earth Elements in Silicate Glass and Zircon: Implications for Partition Coefficients
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.844953
Abstract: We have developed a method to analyze all rare earth elements in silicate glasses and zircon minerals using a high lateral resolution secondary ion mass spectrometer (NanoSIMS). A 2nA O− primary beam was used to… read more here.
Keywords: glass; elements silicate; earth elements; partition coefficients ... See more keywords