The bio-adsorbent chitosan-microcrystalline was synthesized from waste materials of shrimp processing industries, and waste cotton rags of garments industries for removal of chromium (VI) ion from tannery effluent. The chitosan was extracted from shrimp shell through the deprotei...
Open access
Research Article10.9734/IRJPAC/2016/23315
With the growth of industrialization and modernization, it has now become essential for any country to construct and develop the basic infrastructure like highways, high speed rails, metro trains, bridges, schools, colleges, hospitals, strong air vehicle network etc. Development...
Open access
Research Article10.9734/IRJPAC/2016/22529
Nigeria is richly endowed with huge solid mineral deposits; there is need therefore, to identify the different types of solid minerals in rock and soil of Mandara Mountains in Mubi region and also to assess their quality by determining their elemental compositions. The quality of...
Open access
Research Article10.9734/IRJPAC/2016/10932
Aim: To evaluate the indicator properties of a synthesized azo compound to be used as a suitable substitute for standard indicators Methodology: Compound, [4-((4-hydroxynaphthalen-1yl)diazenyl) benzoic acid](p-ABAαN) was synthesized using standard diazotization and coupling proce...
Open access
Research Article10.9734/IRJPAC/2016/20229
Aims: The study was carried out to determine the baseline cation and anion concentrations of the groundwater of Kaliganj Upazila of Jhenaidah district of Bangladesh and to evaluate the suitability of these water sources for irrigation, drinking and industrial uses. Study Design:...
Open access
Research Article10.9734/IRJPAC/2016/22111
Topsoil samples were collected along six major roads within Trans-amadi industrial complex within the period of April to May. The pH of the soil had a range of 7.2 to 8.1, while moisture content had a range of 0.3% to 0.9%. Fe was seen to have higher concentration in all the soil...
Open access
Research Article10.9734/IRJPAC/2016/21492
The equilibria of iron (II) and iron (III) extraction with bis(salicylidene) ethylenediamine dissolved in chloroform as non polar diluents from nitric acid solutions were studied in order to develop a chemical based conditions for determining the equilibrium distribution ratios....
Open access
Research Article10.9734/IRJPAC/2016/20005
The densities of aqueous binary mixtures of some alkanols (1-butanol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, 2,3-butanediol and 1,2,4-butanetriol including those of the pure liquids, over a wide composition range of alkanols at temperatures of 293.15, 298.15, 303.15, 308...
Open access
Research Article10.9734/IRJPAC/2016/21863
In this paper, we report synthesis of the new biheterocycles containing 1,2,4-triazole and 1,2,4-oxadiazole or 1,3,4-oxadiazole moiety. Oxadiazole ring is bioisosteric replacement of carboxamide group. In future, these compounds will be used for enzymatic synthesis of ribavirin a...
Open access
Research Article10.9734/IRJPAC/2016/22429
A chitosan-alumina composite was prepared by coating chitosan, a glucosamine biopolymer, on activated alumina to remove chromium (VI) ion from tannery effluent. Chitosan was prepared from by demineralization and deproteinization of indigenous shrimp shell collected from Khulna, B...
Open access
Research Article10.9734/IRJPAC/2016/21856