Zinc Chloride Influence on The Resins Furan Polymerization to Foundry Moulds

2016 ◽  
pp. 771-778
Author(s):  
Leila Figueiredo de Miranda ◽  
Marcus Vale ◽  
Antonio Hortêncio Munhoz Júnior ◽  
Terezinha Jocelen Masson ◽  
Leonardo Gondin de Andrade e Silva
Keyword(s):  
Zinc Chloride

Investigation of characteristics of pulse discharge about surface water solution of zinc chloride

2016 ◽  
Vol 39 (0) ◽  
pp. 100-105
Author(s):  
В. В. Данило ◽  
І. В. Шевера ◽  
Й. О. Миня ◽  
З. Т. Гомокі ◽  
Д. А. Калімуліна ◽  
...  
Keyword(s):  
Surface Water ◽  
Zinc Chloride ◽  
Water Solution ◽  
Pulse Discharge

Zinc Chloride Catalyzed Collective Synthesis of Arylmethylene Bis(3- hydroxy-2-cyclohexene-1-ones) and 1,8-Dioxo-octahydroxanthene/acridine Derivatives

2014 ◽  
Vol 11 (9) ◽  
pp. 682-687 ◽  
Author(s):  
Subramaniapillai Ganesan ◽  
Jagatheeswaran Kothandapani ◽  
Asaithampi Ganesan
Keyword(s):  
Zinc Chloride ◽  
Acridine Derivatives

scholarly journals Biosynthesis, characterization, and antibacterial activity of ZnO nanoaggregates using aqueous extract from Anacardium occidentale leaf: comparative study of different precursors

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Eric Kwabena Droepenu ◽  
Ebenezer Aquisman Asare ◽  
Boon Siong Wee ◽  
Rafeah Binti Wahi ◽  
Frederick Ayertey ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Antibacterial Activity ◽  
Comparative Study ◽  
Aqueous Extract ◽  
Zinc Chloride ◽  
Zinc Acetate ◽  
Zinc Acetate Dihydrate ◽  
Inhibition Zone ◽  
Anacardium Occidentale ◽  
Acetate Dihydrate

Abstract Background Various parts of Anacardium occidentale plant possess curative qualities like antidiabetic, anti-inflammatory, antibacterial, antifungal, and antioxidant. Aqueous extract of this plant leaf was used in biosynthesizing zinc oxide (ZnO) nanoaggregates using two precursors of zinc salt (zinc acetate dihydrate [Zn(CH3COO)2∙2H2O] and zinc chloride [ZnCl2]). The synthesized ZnO samples were used in a comparative study to investigate the antibacterial activity against selected Gram-positive and Gram-negative microbes [Staphylococcus aureus, Exiguobacterium aquaticum (Gram +ve) and Escherichia coli, Klebsiella pneumoniae, Acinetobacter baumannii (Gram −ve)]. The synthesized ZnO nanoaggregates from the two precursors were characterized using Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy-dispersive x-ray spectroscopy (EDX) techniques. Results Micrographs of SEM and TEM confirmed nanoparticles agglomerated into aggregates. While spherical nanoaggregates were identified in samples prepared from Zn(CH3COO)2∙2H2O, flake-like structures were identified in samples synthesized from ZnCl2. Particle size determined by TEM was 107.03 ± 1.54 nm and 206.58 ± 1.86 nm for zinc acetate dihydrate and zinc chloride precursors respectively. ZnO nanoaggregate synthesized using zinc acetate as precursor gave higher antibacterial activity than its counterpart, zinc chloride with K. pneumonia recording the highest inhibition zone of 2.08 ± 0.03 mm (67.53%) whereas S. aureus recorded the least inhibition zone of 1.06 ± 0.14 mm (34.75%) for ZnO nanoaggregate from zinc chloride precursor. Also, antibacterial activity increases with increasing concentration of the extract in general. However, A. baumannii, E. aquaticum, and K. pneumoniae did not follow the continuity trend with regards to the 250 ppm and 500 ppm concentrations. Conclusion Biosynthesis of ZnO nanoaggregates using aqueous extract of A. occidentale leaf from zinc acetate dihydrate and zinc chloride as precursors was successful with the formation of nanospheres and nanoflakes. The study suggested that A. occidentale sp. could be an alternative source for the production of ZnO nanoparticles and are efficient antibacterial compounds against both Gram +ve and Gram −ve microbes with its promising effect against infectious bacteria.

scholarly journals Molten Lithium-Brass/Zinc Chloride System as High-Performance and Low-Cost Battery

Matter ◽  
2020 ◽  
Vol 3 (5) ◽  
pp. 1714-1724
Author(s):  
Kai Liu ◽  
Jialiang Lang ◽  
Minzheng Yang ◽  
Jing Xu ◽  
Bin Sun ◽  
...  
Keyword(s):  
Zinc Chloride ◽  
High Performance ◽  
Low Cost ◽  
Chloride System ◽  
Molten Lithium

Solubility of carbon dioxide, nitrogen, and argon in molten zinc chloride

1975 ◽  
Vol 7 (7) ◽  
pp. 655-660 ◽  
Author(s):  
A. Borodziński ◽  
A. Sokołowski ◽  
L. Suski
Keyword(s):  
Carbon Dioxide ◽  
Zinc Chloride ◽  
Molten Zinc

Synthesis of o-isopentenylphenols

1971 ◽  
Vol 24 (11) ◽  
pp. 2355 ◽  
Author(s):  
J Hlubucek ◽  
E Ritchie ◽  
WC Taylor
Keyword(s):  
Phosphoric Acid ◽  
Zinc Chloride ◽  
Boron Trifluoride ◽  
Boron Trifluoride Etherate ◽  
Stannic Chloride ◽  
Counter Ion

The effect of the solvent and the counter-ion on the ring alkylation of 3- and 4-methoxyphenols by isopentenyl bromide has been examined. Under strictly anhydrous conditions good and consistent yields of the o- isopentenylphenols were obtained with the combination potassium- toluene, but sodium-toluene was more convenient. ��� Boron trifluoride etherate was more satisfactory than stannic chloride, zinc chloride, or phosphoric acid in catalysing the condensation of 3- and 4-methoxy-phenols with 2-methylbut-3-en-2-ol to the corresponding o-isopentenylphenols. Aryl α,α-dimethylpropargyl ethers were partially hydrogenated to the corresponding α,α- dimethylallyl ethers which rearranged in boiling N,N-diethyl-aniline to o-isopentenylphenols in high overall yield.

scholarly journals Photochemical Ethoxycarbonylmethylation of Anisole with Ethyl Chloroacetate in the Presence of Zinc Chloride

1979 ◽  
Vol 52 (11) ◽  
pp. 3465-3466 ◽  
Author(s):  
Yasuji Izawa ◽  
Hideo Tomioka ◽  
Masato Kutsuna ◽  
Yasuo Toyama
Keyword(s):  
Zinc Chloride ◽  
Ethyl Chloroacetate
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