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1992 articles for “Keywords”
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Study of Corrosion Rate in Water Treatment Plant in Oil field
Abstract: The high cost of corrosion, the corrosion engineers concern and its reduction in oil, gas and petrochemical countries is essential about 10% of the cost of producing a barrel of crude oil cost. Corrosion rates in the world costs 42–80 cents a barrel for crude oil is produced, specific climatic conditions, history of the country's refineries and oil production are the main factors affecting the cost of corrosion in oil …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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Synthesis of Zeolites: An Overview
Abstract: Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Zeolite synthesized from CFA is a minor but interesting product, with high environmental applications. Zeolites may be easily obtained from CFA by relatively cheap and fast conversion processes. This paper provides an overview on the methodologies for zeolite synthesis from CFA, and a detailed description of conventional alkaline conversion processes, with special emphasis on the experimental conditions to …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 8–14 Read article
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Chemical Synthesis and Industrial Applications of Catechu
Abstract: Kattha is acquired by crystallization in cold from the water extractives of the heartwood of Acacia catechu. The main constituents of the red heartwood are catechin and catechu tannic acid along with small proportion of brown coloring matter. It also contains tannin, flavotannin, gallotannin, hloratannin etc. (+)-Catechin is a constituent, which decreases the action of some hormones; hence “tyronorman” injected with thyroxin terminates the upsurge in basal metabolism. It has …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 38–42 Read article
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Preparation and Evaluation of Nano pore Faujasite Membranes
Abstract: Nano pore Faujasite zeolite membranes were synthesized by in-situ hydrothermal method on porous ceramic tubes. Hydrothermal crystallization was carried out under an autogenously pressure and at a static condition of 100 oC. Molar composition of the starting gel of Faujasite zeolite membranes were NaX: SiO2/Al2O3=10-27, Na2O/Al2O3=4-9, H2O/Al2O3=250; NaY: SiO2/Al2O3=2.5-4, Na2O/SiO2=1.08-2, H2O/Na2O=30-200. X-ray diffraction (XRD) patterns of the membranes exhibited peaks corresponding to the support and the zeolite. The crystal species …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 15–24 Read article
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MANUFACTURING OF CHLORINATED PARAFFIN WAX AND SULPHO CHLORINATED PARAFFIN WAX
Abstract: The use of chlorinated paraffin wax and sulpho-chlorinated paraffin wax in daily life is increasing day by day. They are used as flame retardant, in rubber industry, paints, adhesives, caulks, sealants, and manufacturing of different types of plastics like PVC. Here in this article, we have presented the manufacturing process for chlorinated paraffin wax (including sulpho) along with chemical reaction and mass balance. Keywords: Chlorinated paraffin wax, Manufacturing process, Mass …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 1, 2018 · pp. 1–4 Read article
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PARABENS AS FUTURE POTENTIAL DRUG
Abstract: Parabens are class of chemicals widely used as preservatives in the cosmetic and pharmaceutical industries. They are effective preservatives in many types of formulas. These compounds and their salts are used primarily for their bacterial and fungicidal properties. They are also used as food additives. Their analogues viz. ethers and hybrid / fused molecules also possess various biological activities which prompted us to synthesize few more analogues for their future …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 1, 2018 · pp. 21–33 Read article
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The new method of purification of the industrial waste waters
Abstract: The main problem in the all existing electrofloatation methods of cleaning is the increase of the alkalization space near the cathode that leads to formation of the salts sediments on the cathode as a result of passing of the electric current through the water environment. The salts so tightly cover cathode’s surface that can cause the total curtailment of the process of electrofloatation. This can be explained by the fact …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 1, 2018 · pp. 34–44 Read article
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EFFECTS OF THE LABORATORY ASSISTED LECTURE METHODS ON ACADEMIC ACHIEVEMENT OF GRADE 8 STUDENTS IN CHEMISTRY SUBJECT IN FINOTE SELAM WOREDA, AMHARA REGION
Abstract: In Science education, laboratories are considerably important because they provide the opportunity for students to perform various hands-on activities. The aim of this study was to examine the comparative effects of the laboratory assisted and lecture methods on primary school students’ achievements in chemistry subject. With this aim, four research questions and four hypotheses guided the study. Sixty six (66) students (12 male and 11 female in the experimental group …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 1–9 Read article
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Synthetic Studies on Fused Benzodiazepines: A Class of Medicinally Privileged Heterocycles
Abstract: 1,4-Benzodiazepine is an important nitrogen heterocyclic scaffold because of its presence in various natural products, drugs and biologically active molecules. Henceforth, it is also known as privileged heterocycle in the field of medicinal to synthetic organic chemistry. Reactions towards the synthesis of five- and six- membered heterocycles are very easy and facile. On the other hand, synthesis of medium ring heterocycles is more difficult because of the thermodynamic limitations. Thus …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 44–59 Read article
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The new methods of degassing fuel liquid in the tank of rocket engine and liquids in the life-support system of automatic spacecraft using the controlled vibration or the specially created temperature gradient in the liquid
Abstract: The paper presents the developed methods of degassing of fuel liquid in the fuel tank of rocket engine and liquids in the life-support system of automatic spacecraft using the controlled vibration or the specially created temperature gradient in the liquid that are simple on their of construction, economically highly effective and productive, mobile, and can be used in any part of the systems of power supply and life-support of automatic …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 28–43 Read article
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Spectrophtometric Study of Catalysed Oxidation of Some Cyclic Alcohols by N-bromophthalimide
Abstract: The spectrophotometric kinetic investigation of cyclohexanol and cycloheptanol catalysed by Keggin type anion [PW12O40]3- with N-bromophthalimide have been carried out in 30% acetic acid medium in absence of mercuric(II) acetate and in presence of sulphuric acid. The observed kinetic data was used for the justification of Beer-Lambert law. The reactions follow a fractional-order with respect to cyclic alcohols, PTA catalyst and first-order with respect to oxidant NBP. The added H+ …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 44–50 Read article
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Review on Chalcone (Preparation ,Reactions, Medical and Bio Applications)
Abstract: This survey provides information on( methods of synthesis , reactions , applications in the medical and biological activities , its uses and its source as (whether natural or synthetic) . Chalcones are chemical compounds or natural molecules have a broad spectrum of bio- activities, which are of great interest in many fields. The chemistry of chalcones appeared information about its preparation methods as a starting material in many reactions like …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 16–27 Read article
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Review in Chemical Structures of Common Compounds
Abstract: Our review deals with chemical structures of common chemical compounds which collected for interesting , There are several different names of chemical compounds , but for example when you for phenol derivative or amine derivatives , you are referring to a great tables from compounds in this field., There are millions of known chemical compounds yet to be discovered due to the great variety of compounds a naming system was …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 1–15 Read article
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ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article
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Studies on corrosion mechanisms of steel wire ropes
Abstract: Degeneration of lubrication by seepage of water to core of ropes produces corrosion to change relevant properties. Corrosion of wire ropes in suspender of cross-sea bridges has induced from sulfur dioxide present in environment. Stress corrosion accident of steel wire in coalmine has studied by stress corrosion behaviors of high strength steel wires in mine trickling water. Keywords Steel, Rope, Corrosion, Fracture, Mine water, Tensile test, Stress corrosion crack
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 28–35 Read article
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Predictive Modelling of a Bioreactor for the Production of Ethanol Using Palmwine
Abstract: This research focuses on the feasibility of biochemical technology with yeast cells (Sacccharomycees cerevisiae) for continuous ethanol production from palm wine. This was carried out in a non-isothermal batch reactor at constant room temperature. 1.5L of palm wine solution was reacted with dry active baker’s yeast until reaction was completed. Biomass, ethanol and glucose concentration were sampled every two hours, and kinetic rate parameters for the fermentation calculated using concentration/time …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 1–8 Read article
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Millard Reaction: The Chemical Reaction of Browning, Flavoring and Aroma Through the Science of Cooking.
Abstract: The Maillard reaction is a step in the formation of advanced glycation endproducts (AGEs). It is tracked by measuring pentosidine. Even though the Maillard reaction has been studied most extensively in food science, it has also displayed and shown correlation in many different diseases in the body of human being, especially in degenerative eye diseases. In normal conditions, these diseases are due to the accumulation of advanced glycation endproducts (AGEs) …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
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Applications of Separation of Materials
Abstract: The main aim in our work deals with the preparation of series of new bio compounds that have interesting in bio and biomedical fields, pharmaceutical drugs, medicinal biochemistry and in other fields also. All compounds have wide applications and the prepared bio compounds were prepared through many steps with various conditions like azetidine, imidazole, thiazine, oxazepine , diazepine , tetrazole. The structure of the newly synthesized compounds were monitored by …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 20–24 Read article
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REVIEW ON PREPARATION & APPLICATIONS OF THIADIAZOLE DERIVATIVES
Abstract: This review has touched on thiadiazole derivatives as it is a basis for the synthesis of many drugs, industrial compounds, chemical dyes, pharmaceuticals and life substances, and as a link to many cyclic reactions and is produced in vitro methods for the hydrolysis of the amine-thiol compounds such as thiosemicarbazide and hydrazo-thion, among others. On the different methods of preparation for thiadiazole derivatives, its reactions and its various biological applications., …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 19–30 Read article
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REVIEW ON PREPARATION METHODS & APPLICATION FIELDS OF OXADIAZOLE
Abstract: This review displays oxadiazole (five-ring) that is of great importance in the fields of pharmacy, medicine, and field of coordinated chemistry and as reagents to estimate the small quantities of trace elements and minerals. Oxadiazole is a primary role and as a basic substance for many pharmacokinetic compounds such as antimalarial drugs, anti- bacterial, and cancerous tumors. This survey described several approach for preparation methods of oxadizole with their applications …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 49–60 Read article