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All published articles 1032

Separation, Analysis and Validation of Metal Ions in Aqueous Samples Using Capillary Electrophoresis

Aron Hailemichael, Andrew Martin Crouch, Arumugam Manohar & Medhanie Afewerki · International Research Journal of Pure and Applied Chemistry · 2019

Capillary  electrophoresis  (CE)  has been developed  as  one  of  the  powerful  separation  techniques  for  the analysis of inorganic and organic ions in complex matrices in the recent past. In aqueous samples, most of the inorganic ions are having weak absorption profiles in...

Open access Research Article 10.9734/irjpac/2019/v18i430098

Impacts of Anthropological Activities on Soils of Some Parts of Rivers State, Nigeria

W. P. Wanjala, L. Odokuma, I. Etela & R. Ramkat · International Research Journal of Pure and Applied Chemistry · 2019

The study is a post project implementation Environmental Monitoring (EM) of impacts of anthropological activities on levels of soil physicochemical parameters. The study evaluates levels of physicochemical parameters in soils of 9 locations in Port Harcourt and its environs in Ri...

Open access Research Article 10.9734/irjpac/2019/v18i430096

Optimized Route for the Synthesis of Derivative of Phenylalanine-azobenzene

Jie Chen, Gao He & Liangchun Li · International Research Journal of Pure and Applied Chemistry · 2019

In this paper, the derivative of phenylalanine-azobenzene was synthesized from p-nitrobenzoic acid and L-ethyl benzoate by condensation, ferric acid reduction and aromatic amine oxidation, and the key compounds were characterized by 1H-NMR and MS. At the same time, we optimized t...

Open access Research Article 10.9734/irjpac/2019/v18i430095

Enumeration of Polyhydroxyalkanoate (PHA) Producing Bacteria from Dairy Sewage Samples

K. Shivalkar Yadav, D. B. Puranik, Mohamed Nadeem Fairoze & R. Prabha · International Research Journal of Pure and Applied Chemistry · 2019

Aims: The synthetic polymer plastics have become an integral part of contemporary life. Excess use of plastics and indiscriminate dumping of it in soil and water is polluting the environment. In order to overcome this problem, the production and applications of eco-friendly biode...

Open access Research Article 10.9734/irjpac/2019/v18i430093

Determination of Selected Water Quality Parameters in River Sio, Busia County, Kenya

K. O. Ondoo, J. K. Kiptoo, A. O. Onditi, S. M. Shivaji, B. E. Omondi & J. K. Ogilo · International Research Journal of Pure and Applied Chemistry · 2019

Water samples were taken from five sampling points and their quality assessed through analysis of physical and chemical characteristics. Turbidity, temperature, conductivity, pH, dissolved oxygen and total suspended solids were determined on site during sample collection, using p...

Open access Research Article 10.9734/irjpac/2019/v18i330092

Biosorption Studies of Cr(VI) Ion from Aqueous Solution using Unmodified and Oxalic Acid Modified African Yam Bean Pod and Groundnut Shell

Humphrey N. Ekeh, Stevens A. Odoemelam & Christopher U. Sonde · International Research Journal of Pure and Applied Chemistry · 2019

This study examines the removal of Cr6+ from aqueous solutions using unmodified and oxalic acid modified African yam bean (AYB) pod and groundnut (G’NUT) shell as adsorbents. The effects of time, pH, temperature, and metal ion concentration were investigated. The amount of metal...

Open access Research Article 10.9734/irjpac/2019/v18i330091

Synthesis and Characterization of Thiazolo Pyridin-2-Amine and Their Schiff Bases

Mangesh Vijay Sonawane, Sandip Balu Chaudhari, Jaywant Prakash Sonawane, Suryakant Sudhakar Patil, Mahesh Rajendra Sonawane & Anil Vinayak Patil · International Research Journal of Pure and Applied Chemistry · 2019

The efficient synthesis of thiazolo pyridine 2-amine(3) by reaction of 2-amino pyridine with ammonium thiocyanate(2). The reaction carried out in presence of ceric ammonium nitrate and Dimethyl Sulphoxide as a solvent. The aromatic aldehyde reacts with synthesized compound thiazo...

Open access Research Article 10.9734/irjpac/2019/v18i330089

Impact of Forest Combustion on Soil Contamination by PAHs Using QuEChERS and GC-MS/MSTQD

Al Fahd, Marzoq Hadi., Al-Sewailem, Mohamed S. & EL-Saeid, Mohamed Hamza · International Research Journal of Pure and Applied Chemistry · 2019

The present study was conducted in one of the most dense forest area of Asir region located in the southwest of Saudi Arabia to study the Impact of Forest Combustion on surface and subsurface soil contamination by Poly Aromatic Hydrocarbons (PAHs). The major toxic effects of PAHs...

Open access Research Article 10.9734/irjpac/2019/v18i330090

Democratic Republic of Congo Moringa Seeds Oil Extraction: Kunyima Method Application

A. B. Kunyima, H. M. Kaseya, M. D. Ntumba & S. N. Lusamba · International Research Journal of Pure and Applied Chemistry · 2019

Background: The poisoning, one of the nowadays most serious problem of public health in Democratic Republic of Congo since two decades, has made many victims because of the lack of information and because of the population impoverishment unable to accede to health care. The Democ...

Open access Research Article 10.9734/irjpac/2019/v18i330088

A Study on the Photocatalytic Reduction of Some Metal Ions in Aqueous Solution Using UV- Titanium Dioxide System

I. O. Ekwere, M. Horsfall & J. O. E. Otaigbe · International Research Journal of Pure and Applied Chemistry · 2019

The photocatalytic reduction of Cu (II), Pb (II), Cd (II) and Cr (VI) ions in aqueous solution has been investigated. The photocatalyst utilized was nano titanium dioxide, composed of 80% anatase and 20% rutile; the UV light source was a 15 W UV bulb with a wavelength of 254 nm....

Open access Research Article 10.9734/irjpac/2019/v18i230087

Response of Nutritional and Phytochemical Constituents of Bitter Leaf to Some Drying Methods

Johnson Odukoya, Uzoma Charles & Julianah Odukoya · International Research Journal of Pure and Applied Chemistry · 2019

Aim: Food processing is one of the post-harvest factors that affect the quality of food products. This research was aimed at evaluating the impact of two drying methods (sun-drying and freeze-drying) on the nutritional and phytochemical contents of Vernonia amygdalina Del. Study...

Open access Research Article 10.9734/irjpac/2019/v18i230086

Adsorption of PB(II) Ions from Aqueous Solution Using Functionalized and Carbonized Groundnut Shell

Ikemefuna Usifoh, Rosemary Odinigwe & M. U. Obidiegwu · International Research Journal of Pure and Applied Chemistry · 2019

Groundnut shells were modified through functionalization and carbonization processes to produce three distinct adsorbents for adsorption of Pb (II) ions from aqueous solution. Adsorption studies was carried out under varying conditions of pH, contact time, adsorbent dosage, metal...

Open access Research Article 10.9734/irjpac/2019/v18i230085

Amalgamation of Novel Schiff Base Ligand and Its Transition Metal Complexes and Their Biological Activity

B. Akila & A. Xavier · International Research Journal of Pure and Applied Chemistry · 2019

Schiff base synthesized from 2-hydroxy-1-naphthaldehyde and 2-2’ (ethylene dioxy) bis ethylenediamine (L1) and its Metal complexes, [M (II) (L)6](where M= Mn(II), Ru(III), Cu(II)and V(V) L= Schiff base moiety), have been prepared and characterized by elemental analysis, spectrosc...

Open access Research Article 10.9734/irjpac/2019/v18i230084

Field Evaluation of Newer Insecticides against Spotted Pod Borer [Maruca vitrata (Geyer)], on Blackgram (Vigna mungo L.) in North Coastal Andhra Pradesh

K. Swathi, P. Seetha Ramu, S. Dhurua & M. Suresh · International Research Journal of Pure and Applied Chemistry · 2019

Aims: To evaluate the efficacy of novel insecticides against the spotted pod borer on rice fallow blackgram. Study Design: Randomised Block Design (RBD) was used in this study. Place and Duration of Work: The present study was carried out at College farm Agricultural College, Nai...

Open access Research Article 10.9734/irjpac/2019/v18i230083