9 articles in this issue
Ahsan Habib, Atiqur Rehman, Shafiqul Alam
Contamination of the environment by heavy metals is a phenomenon of global importance today. Due to high concentration in the environment, heavy metals may enter the food chain from soils and result in health hazards. Accumulation in the street dust is on... see more
A. M Soomro, G. M Seehar, M. I Bhanger
Prevalent environmental toxicity of various chemical groups of pesticides and their effects leading towards increasing morbidity and mortality in the farmers is of great concerned. In this situation the biochemical biomarkers are regarded as meaningful to... see more
Muzzaffar Khan, Hammid Ullah Shah
The kinetics of sorption of water vapours in chromatographic alumina gel was studied. Water vapours are adsorbed on the gel at temperature (15 °C) at different constant relative pressure from 0.1-0.93 p/p. Rate constant, Effective diffusivities, Knudsen d... see more
F. M. A Rind, M. Y Khuhawar, K. F. Almani, A.D. Rajpar
Isoniazid (INH) anti-tuberculosis drug was determined spectrophotometrically after derivatizing with 2-hydroxy-1,4-naphthoquinone (HNQ) at pH 3 in aqueous-methanolic solution. The reaction conditions were optimized and the derivative absorbed maximally at... see more
M. Shamsuddin Ahmed, M. M. Hasan Shahin, A. F. M. Sanaullah
Some soil samples were collected from Kaliti Tea-Estate of Moulvibazar district, Bangladesh. Total nitrogen, organic carbon, organic matter, carbon-nitrogen ratio and available phosphorus content of the collected soil samples of different depths and of di... see more
Ahsan Habib, Anarul Islam, Dulal Solomon Tudu, A.M Shafiqul Alam
The effects of additives, such as slag, limestone and fly ash on the strength of ordinary Portland cement (OPC) have been studied. The percentages of the additives were varied from 9 to 29%. 2.5% gypsum was used in all preparations. The influence of the a... see more
Iftekhar Al Mahmud Shaibal, Fauzia Khanom, Mohammad Arifur Rahman, A.M. SHAFIQUL Alam
The use of 2-propanol in admixture with formic acid for the selective elution of cations on the ionexchange resin Amberlite IRA-420 in Cl- form is investigated. The elution technique was coupled with absorption spectrometry and atomic absorption spectroph... see more
M. Aslam Mirza, M.Y Khuhawar, A. J Kandhro
District Bhimber shares its borders with Gujrat and Jhelum Districts of the Punjab Province of Pakistan and is situated at the foothills of mountain series of Himalayas. The area falls in subtropical highland type of climate and is away from the reach of ... see more
M. Jamaluddin Ahmed, K. Jakir Hossen, Tasnima Zannat
A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method for the determination of trace amounts of molybdenum(VI) using 2-hydroxyacetophenonebenzoylhydrazone (HAPBH) has been developed. 2-hydroxyacetophenonebenzoylhydra... see more