12 articles in this issue
Pawan Raj Shakya, Chirika Shova Tamrakar
Street dust often contains elevated concentrations of heavy metals and can influence on environment and human health. Therefore, a study on the characteristics of heavy metals in street dusts at different localities was carried out in the metropolitan cit... see more
Asif Mahmood, Waqas Muqbool, Muhammad Waseem Mumtaz, Farooq Ahmad
Multivariate statistical techniques such as factor analysis (FA), cluster analysis (CA) and discriminant analysis (DA), were applied for the evaluation of spatial variations and the interpretation of a large complex water quality data set of three cities ... see more
S. T. H. Sherazi, Yawar Latif, M. I. Bhanger
A very sensitive analytical method for the determination of 26 pesticides in some fruits based on solid phase extraction (SPE) cleanup was developed using gas chromatography (GC) coupled with micro electron capture detector (ECD). The identity of the pest... see more
Hasalettin Deligz, Shahabuddin Memon
In this overview, our main aim is to present the design, preparation, characterization, and extraction/sorption properties of chromogenic azocalix[4]arenes (substituted with different groups) toward metal cations. Azocalixarenes, which contain a conjugate... see more
Ferial Mahmood El-Samman, Asma Natiq Al-Irhayim, Enam Ahmed Hamdoon
A simple spectrophotometric method for the determination of primaquine phosphate has been developed. The method is based on the coupling reaction of primaquine phosphate in acidic medium with diazotized p-nitroaniline, to form a yellow-orange water-solubl... see more
Kamran Abro, Najma Memon, M.I. Bhanger, S.A. Mahesar
A rapid and reliable analytical method based on high-performance liquid chromatography (HPLC) with UV detection (221nm) has been developed for the determination of the anti-hyperglycemic agent Pioglitazone in pharmaceutical formulations and biological flu... see more
Muhammad Ali Mallah, S.T.H. Sherazi, Sarfaraz A. Mahesar, Abdul Rauf
A simple, rapid and economical method for azithromycin quantification in solid tablet and capsule formulations has been developed by applying Fourier-transform Infrared (FT-IR) transmission spectroscopy for regular quality monitoring. The newly developed ... see more
Rufus ShaAto, Ishaq S. Eneji, P. A. Annune
Heavy metals concentrations were determined in fish organs of Tilapia zilli and Clarias gariepinus from River Benue along Makurdi metropolis using atomic absorption spectrophotometer. The results indicated that Tilapia zilli gills contained the highest co... see more
M. Ghaedi, K. Niknam, M. Soylak
The proposed method is based on the complexation of the Pb2+, Cd2+ and Pd2+ ions with 3-(1-(1-HIndol-3-Yl)-3-phenylallyl)-1H-indole (IPAI) at pH 8.0 in the presence of Triton X-114. The phase separation occured when micellar solution was heated at 55 ?C. ... see more
Tayyaba Aftab, Tahira Shafiq, Bushra Khan, Muhammad Nawaz Chaudhry
The pollution status of Lahore branch canal was determined by physical, chemical and metal constituents because the water is used for irrigation of lands in and around the city. The average result of each physical, chemical and metal parameter at 12 diffe... see more
Abdelrahman B. Fadhil, Emaad T. Bakir
Chicken fried oil was converted into different biodiesels through single step transesterification and two step transesterification, namely acid-base and basebase catalyzed transesterification. Hydrochloric acid and potassium hydroxide with methanol were u... see more
N. N. Habeb, T. N. Al-Sabha
A spectrophotometric method was developed for the quantitative determination of aminophenol isomers. The method is based on their reaction with 1,2-Naphthoquinone-4-sulphonate (NQS) reagent in aqueous basic medium forming colored products with maximum abs... see more