To solve the problem of phosphorus pollution and phosphors resource crisis, phosphorus recovery by struvite crystallization has become a focus of research in recent years. In municipal wastewater, insufficient magnesium content and relatively low pH can be a limitation for struvite formation. A ...

A novel ethylenediamine (En) based metal-organic frameworks (MOFs) of Cr-MOFs, En/MIL-100(Cr), containing phosphorous acid tags was prepared. MIL-100(Cr)/NHEtN(CH2PO3H2)2 characterized by a variety of techniques, including fourier transform infrared spectroscopy (FT-IR), scanning electron micros...

The influence of glycine on the iron phosphorous alloy electrodeposition was investigated by electrochemical quartz microbalance (EQMB), in-situ external reflection FTIR spectroscopy, and electrochemical impedance spectroscopy (EIS) measurements. An increase of glycine concentration leads to a d...

The development of rare earth adsorbent with high adsorption capacity and rapid adsorption rate is one of the most important issues for enriching and recovering rare earth ions. In the present work, an inorganic phosphorous acid-modified mesoporous SBA-15 (P-SBA-15) was facilely synthesized by a...

Trunk injections reduce pesticide inputs and environmental contamination, and recent work has addressed apple production systems. Insecticides and fungicides have been demonstrated for apple tree injection, however combinations of the two have not yet been tested. Trunk injections of the systemi...

A metal-free and two-phase protocol for the Meyer-Schuster isomerization of propargyl alcohols to the corresponding α,β-unsaturated carbonyl compounds has been achieved in the presence of stoichiometric phosphorous acid aqueous solution, which produces the desired products in high yields with ...

In this article, recent developments in the field of high-temperature hydrides are discussed with a special focus on MgH2 as a model system. Light-weight hydrides offer high gravimetric storage capacities for hydrogen. However, most of them are too stable for reversible hydrogen storage applicat...

New ternary hydrides of the stoichiometry SrPd2H, Sr2PdH4, and Ca3Pd2H4 have been prepared. These compounds were formed by reacting the respective alkaline earth binary hydride with palladium under approximately 625 mm of hydrogen pressure at temperatures ranging from 750 to 850° for 8–10 hr. ...

The novel nitride hydride Sr2LiNH2 was synthesized by dehydrogenating a LiNH2 + 2SrH2 mixture at about 330 °C. It was found that Sr2LiNH2 crystallizes with a tetragonal structure in space group I4/mmm (no. 139), and with cell parameters: a = b = 3.8104(4) Å and c = 13.722(1) Å. The crystal stru...

Synthesis, crystal structure, and properties of hydrides of palladium and its intermetallic compounds are being reviewed. Focus is on crystal structure, phase diagram, interplay between hydrogen content and electronic or magnetic properties, diffusion and lattice gas behavior of hydrogen for pal...

The computational and experimental exploration of the phase diagrams of binary hydrides under high pressure has uncovered phases with novel stoichiometries and structures, some which are superconducting at quite high temperatures. Herein we review the plethora of studies that have been undertake...

The two ternary hydrides Sr2RhH5 and Sr8Rh5H23 can be synthesized by reacting strontium hydride with rhodium in a hydrogen atmosphere. The former compound has already been described by Moyer et al. Using neutron diffraction experiments on the deuterated compound we can determine the atomic arran...

Powder x-ray diffraction experiments and first-principles calculations have been carried out to investigate the possibility of a structural phase transition, characterized by a change from ionic to covalent bonding, in strontium hydride at pressures greater than 50 GPa. The powder x-ray diffract...

Ab initio calculations on low-lying electronic states of strontium hydride cations, SrH+, have been performed using the internally contracted multi-reference configuration interaction (icMRCI) method with Davidson correction (+ Q). Spin-orbit coupling (SOC) effect between the singlet and triplet...

Samarium iodo and terbutylate derivatives coordinated by various chiral ligands have been prepared and used in situ as new catalysts for MPV reductions of aromatic ketones. The most active catalyst is samarium terbutylate binaphtolate albeit with moderate enantioselectivity.

Modeling of nuclear reactor fuel burnup indicates that the production of samarium isotopes can vary significantly with reactor type and fuel cycle. The isotopic concentrations of 146Sm, 149Sm, and 151Sm are potential signatures of fuel reprocessing, if analytical techniques can overcome the inhe...

The dimeric hydride [Cp′2SmH]2 and the monomeric trisalkylborohydride Cp′2SmHBEt3(THF)n (Cp′  C5H4tBu) are obtained from the starting dimeric chloride [Cp′2SmCl]2 by reaction with a hydridic reagent: NaHBEt3. By hydrogenolysis of Cp′2SmR (R  CH2SiMe3 or CH(SiMe3)2) in the presence of an...

Reaction of metallic samarium firstly with 2 equivalents of azobenzene in THF with the aid of catalytic amount of iodine and then with 1 equivalent of sodium cyclopentadienide successively afforded the title complex [(THF)3Na(μ-η5:η5-C5H5)(η2-PhNHNPh)Sm]2(μ-η2:η3-N2Ph2)2 (1). It was found...

The first example of an α,β-unsaturated N-acylpyrrole undergoing a SmI2-mediated cyclization is reported. In contrast to other unsaturated units, the intermediate samarium enolate readily engages in aldol-type reactions, necessitating careful control of the reaction conditions.

Aggressive miniaturization that leads to high circuit density is needed for the current mechanism of samarium (MOS) industry. Greater device functionality and performance at lower cost are required. This trend has forced the gate oxide thickness to decrease rapidly. Hence, a physically thicker o...