Nucleophilic substitution reactions of 1-methyl-4,5-dinitroimidazole with aqueous ammonia or sodium azide
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-018-2389-5
Abstract: In this work, 5-amino-1-methyl-4-nitroimidazole was synthesized by amination reaction of 1-methyl-4,5-dinitroimidazole with aqueous ammonia in 95% yield. Meanwhile, one of its isomers, 4-amino-1-methyl-5-nitroimidazole as byproduct was obtained from the filtrate. Furthermore, nucleophilic substitution reaction of… read more here.
Keywords: methyl dinitroimidazole; dinitroimidazole aqueous; nucleophilic substitution; aqueous ammonia ... See more keywords
Synthesis of oxygen-deficient blue titanium oxide by discharge plasma generated in aqueous ammonia solution
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.05.353
Abstract: Abstract When discharge plasma was generated in an aqueous ammonia solution containing titanium dioxide (TiO2) powder, blue TiO2 was obtained. The blue TiO2 contained oxygen defects and Ti3+ formed by the plasma treatment; i.e., reducing… read more here.
Keywords: discharge plasma; generated aqueous; tio2; plasma ... See more keywords
Optimization of dilute sulfuric acid, aqueous ammonia, and steam explosion as the pretreatments steps for distillers' dried grains with solubles as a potential fermentation feedstock.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2019.03.009
Abstract: Distillers' dried grains with solubles (DDGS) is the by-product of bioethanol production from starch-rich grains through dry-mill fermentation. In this study, dilute sulfuric acid hydrolysis, aqueous ammonia, and steam explosion as the pre-treatment methods were… read more here.
Keywords: aqueous ammonia; steam explosion; sulfuric acid; dilute sulfuric ... See more keywords
Different effects of ozone and aqueous ammonia in a combined pretreatment method on rice straw and dairy manure fiber for enhancing biomethane production.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2019.03.021
Abstract: Low digestibility of lignocellulosic feedstock is the most important limitation for biogas production. The synergistic effects of ozone and aqueous ammonia (OSAA) on different types of lignocelluloses including rice straw and dairy manure fiber were… read more here.
Keywords: manure fiber; aqueous ammonia; production; rice straw ... See more keywords
Recent developments in aqueous ammonia-based post-combustion CO2 capture technologies
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2018.05.024
Abstract: Abstract Aqueous ammonia (NH3) is a promising alternative solvent for the capture of industrial CO2 emissions, given its high chemical stability and CO2 removal capacity, and low material costs and regeneration energy. NH3 also has… read more here.
Keywords: aqueous ammonia; based post; post combustion; co2 ... See more keywords
Exploring preferential solvation, structure and dynamical properties or Rb+ in aqueous ammonia solution using ab initio Quantum Mechanical Charge Field (QMCF)
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2019.112027
Abstract: Abstract The QMCF simulation method has been performed to investigate the dynamics and solvation structure of Rb+ in aqueous ammonia. The LANL2DZ-ECP basis set was used for the ion and DZP (Dunning) for ligands, while… read more here.
Keywords: aqueous ammonia; solvation; ion; solvation structure ... See more keywords
Isotopically Selective Quantification by UPLC-MS of Aqueous Ammonia at Submicromolar Concentrations Using Dansyl Chloride Derivatization
Sign Up to like & getrecommendations! Published in 2020 at "ACS energy letters"
DOI: 10.1021/acsenergylett.0c00496
Abstract: Ammonia (NH₃) is essential for food production and is commercially synthesized from nitrogen (N₂) and hydrogen (H₂) using the Haber–Bosch process. Enormous amounts of ammonia are made every year in a reaction that requires high… read more here.
Keywords: uplc aqueous; aqueous ammonia; selective quantification; isotopically selective ... See more keywords
Magnetic extractant with an Fe3O4@SiO2 core and aqueous ammonia coating for microextraction of petroleum acids
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra02262c
Abstract: Magnetic aqueous ammonia (MAA) was prepared as a magnetic extractant for dispersive microextraction of petroleum acids (PAs). The amount of extractant in MAA was custom-made by a simple approach. In the MAA composed of an… read more here.
Keywords: aqueous ammonia; magnetic extractant; fe3o4 sio2; microextraction ... See more keywords
The State of Copper Ions in Aqueous and Aqueous Ammonia Solutions of Copper Acetate
Sign Up to like & getrecommendations! Published in 2018 at "Russian Journal of Inorganic Chemistry"
DOI: 10.1134/s0036023618110219
Abstract: Stabilization of Cu2+ ions in aqueous and aqueous ammonia solutions of copper acetate was studied for a wide range of ammonia concentrations. The structure of copper acetate hydrate complexes was shown to markedly change upon… read more here.
Keywords: state; aqueous ammonia; copper; solutions copper ... See more keywords
Aqueous Ammonia Wetting of Gas-Diffusion Media for Electrochemical Cells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Electrochemical Society"
DOI: 10.1149/1945-7111/ab995e
Abstract: Increased interest in liquid ammonia (NH3) for hydrogen storage can be attributed to its lack of carbon, high energy density to volume and mass ratios (17.6 wt.% hydrogen), a ubiquitous supply and distribution network, and… read more here.
Keywords: aqueous ammonia; gas diffusion; gas; diffusion media ... See more keywords
The Jahn-Teller effect in mixed aqueous solution: the solvation of Cu2+ in 18.6% aqueous ammonia obtained from ab initio quantum mechanical charge field molecular dynamics
Sign Up to like & getrecommendations! Published in 2019 at "Pure and Applied Chemistry"
DOI: 10.1515/pac-2018-1115
Abstract: Abstract The solvation structure and dynamics of Cu2+ in 18.6 % aqueous ammonia have been investigated using an ab initio quantum mechanical charge field molecular dynamics (QMCF MD) simulation approach at the Hartree–Fock (HF) level of… read more here.
Keywords: quantum mechanical; solvation; initio quantum; cu2 aqueous ... See more keywords