Concept
Polyatomic ion
Related publications (32)
Ruthenium on phosphorous-modified alumina as an effective and stable catalyst for catalytic transfer hydrogenation of furfural
Davide Ferri, Oliver Kröcher, Gaël Peng
Supported ruthenium was used in the liquid phase catalytic transfer hydrogenation of furfural. To improve the stability of Ru against leaching, phosphorous was introduced on a Ru/Al2O3 based catalyst upon impregnation with ammonium hypophosphite followed b ...
2020Transport of zinc ions in the hyporheic zone: Experiments and simulations
Large amounts of toxic metals are discharged into rivers and lakes, but little is known about the factors that drive the adsorption and transformation of these metals in the hyporheic zone and the exchange flux across the sediment-water interface. To bette ...
2020InAs-on-Insulator Fin Nanostructures for Integrated Computation and Sensing Functions
Field-effect transistors (FETs) have established themselves as a leading platform for electrical detection of chemical and biological species. Their advantages over other optical, mechanical sensing platforms are attributed to being miniaturizable, mechani ...
EPFL2020Negative Hydrogen Ions in a Helicon Plasma Source
There is nowadays a large interest to employ helicon plasmas as sources of negative ions for Neutral Beam Injectors (NBIs). Helicon plasma sources offer a number of advantages compared to current Inductive Couple Plasma (ICP) negative ions source, such as ...
EPFL2020Real-Time Detection of Aerosol Metals Using Online Extractive Electrospray Ionization Mass Spectrometry
Christian Ludwig, Mohamed Tarik, Houssni Lamkaddam
Metal emissions are of major environmental and practical concern because of their highly toxic effects on human health and ecosystems. Current technologies available in the market for their detection are typically limited by a time resolution of 1 h or lon ...
AMER CHEMICAL SOC2020Using High-Temporal-Resolution Ambient Data to Investigate Gas-Particle Partitioning of Ammonium over Different Seasons
Athanasios Nenes, Qianyu Zhao, Yan Feng
Ammonium is one of the dominant inorganic water-soluble ions in fine particulate matter (PM2.5). In this study, source apportionment and thermodynamic equilibrium models were used to analyze the relationship between pH and the partitioning of ammonium (eps ...
AMER CHEMICAL SOC2020Quantification methods for chloride binding in Portland cement and limestone systems
Karen Scrivener, Wei Sun, Fabien Jacques Michel Georget, Hamed Maraghechi, William Wilson, Shiyu Sui
This paper presents a comparison of methods to quantify the chloride binding capacity for cementitious materials composed of Ordinary Portland Cement (OPC) and Limestone (LS, 0 to 55% replacement). Physical and chemical chloride bindings were investigated ...
PERGAMON-ELSEVIER SCIENCE LTD2019Specific Ion Effects at the Interface of Nanometer-Sized Droplets in Water: Structure and Stability
Sylvie Roke, Halil Ibrahim Okur, Evangelia Zdrali
The interaction of ions with interfaces influences numerous processes in chemistry, physics, and biology, while different ion species behave differently at hydrophobic or hydrophilic interfaces. Despite its importance, ion specificity and its relation to s ...
2019