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Structural Phase Transitions in the Double Salts (NH<sub>4</sub>)<sub>2</sub>PO<sub>3</sub>F·NH<sub>4</sub>NO<sub>3</sub> and (NH<sub>4</sub>)<sub>2</sub><i>X</i>O<sub>4</sub>·3NH<...
Published 2023-11-01“…The two A<i>X</i>·3AN double salts transform upon cooling from a disordered monoclinic crystal structure (<i>P</i>2<sub>1</sub>, <i>Z</i> = 2) to a monoclinic polymorph with a doubled unit cell (<i>P</i>2<sub>1</sub>/<i>c</i>, <i>Z</i> = 4). …”
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Ibrutinib-Associated Cardiotoxicity: From the Pharmaceutical to the Clinical
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Recovery of Ammonium Metavanadate from Spent Catalyst
Published 2020-02-01“…Crystals of NH4VO3 with yield of 60% on spent catalysts and purity of 75% were obtained by extraction using solvent Na2CO3 1.887 M for 60 minutes at room temperature with weight ratio of V2O5 in spent catalyst toward solvent volume (Rvp), 0.006 gram V2O5/mL Na2CO3. …”
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Water-induced accelerated ion diffusion: voltammetric studies in 1-methyl3-[2,6-(S)-dimethylocten-2-yl]imidazolium tetrafluoroborate, 1-butyl-3-methylimidazolium tetrafluoroborate...
Published 2000“…The electrochemical properties of the room temperature ionic liquids 1-butyl-3-methylimidazolium tetrafluoroborate (BMIM+BF4-), 1-butyl-3-methylimidazolium hexafluorophosphate (BMIM+PF6-) and 1-methyl-3-[2,6-(S)-dimethylocten-2-yl]imidazolium tetrafluoroborate (MDIM+BF4-) as solvents have been studied using micro-samples, with a volume of 10 μL, of the ionic liquids under vacuum conditions and under conditions with controlled gas and moisture supplies. …”
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Fabrication of Spiny-like Spherical Copper Metal–Organic Frameworks for the Microextraction of Arsenic(III) from Water and Food Samples before ICP-MS Detection
Published 2023-09-01“…The optimum conditions for the recovery of the arsenic(III) were a pH of 7 and the use of a sample volume up to 40 mL. …”
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Properties of Porous InGaNbased Hydrogen Gas Sensor
Published 2015“…The PUporous lnGaN gas sensor showed higher sensitivity than the as-grown lnGaN gas sensor upon introduction to 0.1% H2 in N2 at room temperature. The high sensitivity of porous gas sensor was due to thehigh surface to volume ratio of the porous structure. …”
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Conference or Workshop Item -
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Fuel gases from pyrolysis of waste Polyethylene sachets
Published 2010-06-01“…Production of fuel oil from waste polyethylene led to production of large volume of gaseous products, some of which are non-condensable at room temperature. …”
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Extraction of kappa carrageenan from local edible seaweed
Published 2014“…The KOH solutions ( concentrations 0.03,0.05, 0.1M) were used as extracting solvent. Extraction process was carried out in oil bath with a constant ratio of seaweed weight to solvent volume ( 1:20 g/ml) at temperatures (80, 90, 100 ℃) for 1,2,3, and 4 hours. …”
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Undergraduates Project Papers -
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Defects mediated weak ferromagnetism in Zn1−y C y O (0.00 ≤ y ≤ 0.10) nanorods semiconductors for spintronics applications
Published 2023-10-01“…XRD analysis confirmed a decrease in the unit cell volume after doping C into the ZnO matrix, likely due to the incorporation of carbon at oxygen sites (CO defects) resulting from ionic size differences. …”
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Molecular and Carbon Isotopic Variation during Canister Degassing of Terrestrial Shale: A Case Study from Xiahuayuan Formation in the Xuanhua Basin, North China
Published 2021-08-01“…Moreover, we find that there is only a small variation in δ<sup>13</sup>C<sub>1</sub> in shale samples with high permeability and relatively undeveloped micropores, which is similar to the limited δ<sup>13</sup>C<sub>1</sub> variation in conventional natural gas. …”
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Sorption materials for indoor environment cleaning from microorganisms
Published 2022-12-01“…The filtration materials properties were studied using a set of analytical methods. The air was pumped through tested materials in a volume of 500–2000 liters with the use of PU-1B sampling device depositing microorganisms on the nutrient medium. …”
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