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121 articles for “Nitrates”
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Arsenic Removal from Drinking Water of Risalpur Cantt
Abstract: Existing water purification management in Pakistan is insufficient as well as not up to the World Health Organization (WHO) set standards; and ultimately people are suffering. This problem has hit the world in general and Pakistan in particular. This study was designed to evaluate the concentration of arsenic in the Risalpur Cantonment, Pakistan. Various samples for a period of 6–8 months were analyzed using standard procedures. The concentration of pH, …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 1, 2015 · pp. 8–13 Read article
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Bacterial Densities and Physicochemical Qualities of Surface Water Sources in Some Selected Communities of Ekiti State
Abstract: Abstract The present study attempts to bring on acute awareness among the people about the quality of surface water samples used for drinking in selected communities of Ekiti State. The experiment analyses their bacterial density and physicochemical parameters such as pH, (7.2–8.1), temperature (22.2–29.0°C) conductivity (6–49 µs/cm), total dissolved solids (0.045–163 mg/L), total suspended solids (0.014–102 mg/L), total hardness (40–102 mg/L), biological oxygen demand (2.3–10.4 mg/L), nitrate (1.7–21.34 mg/L), phosphate …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 3, 2015 · pp. 19–29 Read article
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Significance of Solution Combustion Synthesis (SCS) in Fabrication of Carbon Doped Organometallic Alumina
Abstract: Present work signified the potential of high temperature solution combustion synthesis (SCS) in rapid fabrication of “covalent-ionic” bonded organometallic aluminate. Natural herb “Piper longum” was used to obtain carbon. Aluminum nitrate served as a base chemical for oxide transformation. Exothermic platform for ignition was provided by propellant urea. Overall explosive decomposition of solution based precursor materials on typical temperature 700°C results in formation of organometallic C-γ-alumina in a well dry …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 11–16 Read article
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Synthesis of Carbon Nanotubes using Laboratory Electric Bunsen Burner
Abstract: The synthesis of carbon nanotubes was carried out by CVD using electric Bunsen burner as the electrical source, at low temperature over cobalt nitrate supported on MgO using ethanol as the carbon source. The morphology, quality and degree of graphitization were analyzed by SEM, TEM and Raman spectroscopy. The TGA analysis with mild acid treatment revealed the burn off temperature of carbon nanotube to be at 392 to 695oC. The …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 1, 2016 · pp. 35–44 Read article
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Physico-Chemical Analysis of Underground Water in Winter Season 2014 of Rewa City (M.P.), India
Abstract: This paper presents physico-chemical analysis of underground water in winter season in the year of 2014 of Rewa district, Madhya Pradesh state, India. Most of samples are within prescribed limits as suggested by World Health Organization (WHO), Indian Standard Institute (ISI) for drinking purpose and BIS desirable limit. Seasonal changes in physical and chemical parameters like colour, odour, taste, pH, total dissolved solids, total hardness, calcium, magnesium, sodium, sulphate, carbonate, …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 6, Issue 1, 2015 · pp. 9–12 Read article
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Reduction of Chemical Oxygen Demand of Industrial Reverse Osmosis (RO) Reject Water by Hydrogen Peroxide Treatment
Abstract: Reverse osmosis (RO) technology is now applied in many industrial water treatment processes for producing low saline water which are required for demineralized water production for boiler operation of thermal power generation plant, metallurgy and many others. The RO reject water having high salinity are mostly rich in sodium, potassium, calcium, magnesium, and other metal salts of chloride, sulphate, sulphite, nitrate, nitrite, silica (SiO2), carbonate, bicarbonate, hydroxide and many other …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 67–73 Read article
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Effect of Nitrite on Oxygen Consumption and Ammonia Excretion of the Fresh Water Crab Paratelphusa jacquemontii (Rathbun)
Abstract: In aquatic ecosystem, nitrite concentrations are elevated by pollution with nitrogenous wastes and imbalances in bacterial nitrification and denitrification processes. Nitrite is transformed by nitrification to nitrate under aerobic condition. The effects of nitrite on physiology were investigated in the fresh water crab, Paratelphusa jacquemontii (carapace length 4–5 cm and weight 50–70 g) for 96 h. The crabs were exposed to sublethal concentration (1/10th and 1/20th of 96 h LC50) …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 4, Issue 1, 2013 · pp. 20–24 Read article
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Effect of Dust Storm on Phytoplankton Productivity in Arabian Sea
Abstract: Dust storm plays an important role as it triggers phytoplankton in the ocean by adding nutrients. In the present study, an attempt has been made to understand the role and relation between dust storm and phytoplankton concentration. Chlorophyll-a concentrations are an indicator of phytoplankton abundance and its biomass. Satellite data gives daily information on Chlorophyll-a concentration and so as phytoplankton abundance in the ocean as well as information about dust …
Published in Journal of Remote Sensing & GIS · Vol. 4, Issue 3, 2013 · pp. 33–44 Read article
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Preparation of Rocket Grade Hydrogen Peroxide and Catalyst Pack for Monopropellant Rocket Thruster
Abstract: Preparation of rocket grade hydrogen peroxide and silver catalyst pack has been realized. The concentration of rocket grade hydrogen peroxide has to be above 85% and free from any kind of stabilizers. Two types of commercially available hydrogen peroxide were purchased for this research. For the preparation of rocket grade hydrogen peroxide, there are two methods: (i) atmospheric pressure boiling and (ii) below atmospheric pressure boiling. The results show that …
Published in Journal of Aerospace Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 1–8 Read article
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Synthesis of Homogenous Colloidal Silver Nanoparticles
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Silver nanoparticles have potential applications in various fields such as biology, medicine, electronics and optical components. Suitability for these applications depends on the size, shape and chemical composition of the nanoparticles. The method of synthesis plays an important role in determining many of these properties. In this study, the formation of silver nanoparticles has been studied via the chemical reduction of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 2, 2011 · pp. 59–66 Read article
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A Synthesis and Characterization of Copper Oxide Nano Hollow Spheres
Abstract: A simple precipitation and calcination method has been evolved for synthesis of copper oxide (CuO) nano hollow spheres in air ambience. Copper nitrate was used as precursor material in the preparation, and sodium hydroxide was used as precipitating agent. The precipitated particles were subjected to calcinations for oxidation. The obtained CuO nanoparticles were characterised by the following analytical methods of XRD, FTIR, DLS, AFM, SEM and TEM for feature of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 2, 2012 · pp. 1–11 Read article
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Combustion Synthesis of NiO-YSZ Precursor Nanocomposites for SOFC Anode and Its Characterization
Abstract: In the present work, the mixture of Nickel Oxide-Yttria Stabilized Zirconia (NiO-YSZ) composites of composition, mNiO–(1–m) Zr0⋅9Y0⋅1 O1⋅95 (m = 0⋅4), anode materials was synthesized by combustion process using glycine as fuel and nitrate as oxidizer. The study of prepared nanocomposites has been done by Fourier transform infrared spectroscopy (FTIR), differential thermal analysis-thermo gravimetric analysis (DTA-TGA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) to determine the powder properties. The …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 3, 2012 · pp. 1–9 Read article
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Synthesis of Silver Nanoparticles by Biological Method and its Application in Protection of Wood from Ganoderma Species
Abstract: The major advancement in the field of nanotechnology during the last decade have resulted in the wide spread application of nanomaterials in the field of science and technology. Nanoparticles were synthesised biologically, which is a pure green chemistry and completely toxic free compared to chemical synthesis. The property of the reductases present in the E. coli culture filtrate reduces silver nitrate to silver oxide and also serves as a capping …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 1, 2013 · pp. 37–43 Read article
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Trichodina Parasites Infections on Gills of Some Freshwater Fishes from Qena, Egypt
Abstract: Freshwater fishes were sampled from different localities in the River Nile at Qena Governorate (Qus, Qift, Dandara, El-Trammsa, El-Maana, Dishna, and Nag-Hammady). The investigated fishes are, Oreochromis niloticus, Tilapia zilli and Ctenopharyngodon idella. Three Trichodina species isolated, Trichodina centrostrigeata Basson and Van As, 1994, Trichodina magna Van As and Basson, 1992, and Trichodina epizootica Raabe, 1950 from the freshwater fishes in Qena, Egypt. The prevalences were 10%, 27.27% and 68.18%, …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 2, Issue 1, 2012 · pp. 53–64 Read article
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Swift heavy Ion Irradiation Effects on Structural and Spectroscopic Properties of Nanocomposites of Polypyrrole Nanotubes and Silver Nanoparticles
Abstract: Polypyrrole nanotubes-silver nanoparticle nanocomposites (PPy-NTs:Ag-NPs) have been synthesized by in-situ reduction of silver nitrate (AgNO3) to suppress the agglomeration of Ag-NPs. The synthesized nanocomposite has been irradiated with 100 MeV Si9+ ion beam. The structural and spectroscopic properties of the nanocomposites after irradiation have been studied by SEM, XRD, Raman and UV-vis spectroscopy. Decrease in size of the nanotubes has been observed from SEM micrographs due to swift heavy ion …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 1–6 Read article
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Synthesis of Nickel Oxide Nanoparticles by Foam Fractionation
Abstract: Nanoparticles of nickel oxide (NiO) have been prepared by foaming technique. Nickel nitrate hexahydrate as a source of nickel and cetyltrimethylammonium bromide (CTAB) as a surfactant were used for the synthesis of nickel oxide. Air flow rate of 0.3 lpm through sparger was controlled by rotameter. NiO is prepared by calcination of nickel hydroxide. The generated foam was collected from the sample outlet provided at the top of the glass …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 3, 2018 · pp. 44–48 Read article
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Synthesis and Synergistic Effects of Ciprofloxacin Conjugated Zinc Oxide Nanoparticles
Abstract: Zinc oxide nanoparticles (ZnO NPs) are known as a multifunctional material because of its unique physical and chemical properties. The result of zinc oxide nano powder was characterized using various analytical techniques, such as UV-Vis spectroscopy, Fourier Transform Infra-Red (FTIR), Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD) patterns. Synthesized zinc oxide nano powder was stored in dried form in the room temperature for further study. …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 61–71 Read article
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Super-earths (Exo-planets): How Much Probability of Colonization of Life is There?
Abstract: On January 4th, 2009 American Astronomical Society in Washington D.C, the Kepler team announced that it had identified first new exo-planet and after that up to 2013, Kepler had identified nearly 4034 exoplanets or Super earth outside our solar system where some chemical conditions that the pre-biotic earth had might have prompted life, at least in form of microbes. Scientists so far announced the lists of earth-sized 4034 exo-planets with …
Published in Journal of Aerospace Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 30–39 Read article
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A Comparative Study of Plant Mediated Synthesis of Silver, Copper and Zinc Nanoparticles from Tiliacora acuminata (lam.) Hook. F. and Their Antibacterial Activity Studies
Abstract: Green synthesis of nanoparticles is becoming more and more popular due to its compensation over physical or chemical methods. This research was carried out to the synthesis of nanoparticles employing three different metals (silver nitrate, copper and zinc sulphate) using Tiliacora acuminata (family: Menispermaceae) fruit powder. The synthesized nanoparticles were characterized through the UV-Vis Spectrophotometer, FT-IR and X-Ray Diffraction studies. The antibacterial activity of nanoparticles was studied against disease causing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 72–83 Read article
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Catalytic Reduction of Organic Dyes with Green Synthesized Silver Nanoparticles using Aloe vera Leaf Extract
Abstract: In this present study, we report a facile, cost-effective and non-toxic method of synthesis of silver nanoparticles using 4mM silver nitrate and aqueous leaf extract of Aloe vera as reducing and capping agent in presence of 25% ammonia solution. Then these green synthesized nanoparticles are used as catalysts for the degradation of organic dyes. The synthesized silver nanoparticles (AVSNPs) were characterized using different techniques like UV-Visible spectroscopy, Fourier infrared spectroscopy …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 2, 2019 · pp. 9–21 Read article