Browsing by Author "Rafique Ullah, Dr. Md."

Determination of lead (pb ) in trace amount using Ultraviolet - visible spectrophotometric method

Shakil Hossain, Mohammad (Department of Chemistry (Chy), 2011-04)

Trace amount of Lead (Pb) has been determined by spectrophotometric technique using 1-(2-pyridylazo)-2-naphthol [PAN], as a new spectrophotometric reagent. 1-(2-pyridylazo)-2-naphthol reacts in slightly acidic solution ...

Determination of stability constant and biological activity of mixed ligand complexes of ni(ii), cu(ii) and zn(ii) metal ions with some bi- and tri- dentate biologically active ligands

Jahangir Alam, Mohammad (Department of Chemistry , BUET, 2018-03-07)

Mixed ligand complexes play an important role in biological processes, as exemplified by many instances in which enzymes are known to be activated by metal ions. Such complexes have been implicated in the storage and ...

Determination of trace amount of copper (Cu) using UV - VIS spectrophotometric method

Sarker, Khokan Chandra (Department of Chemistry (Chy), 2010-09)

Trace amount of Copper has determined by spectrophotometric technique using 1-(2-pyridylazo)-2-naphthal, as a new spectrophotometric reagent. 1-(2- pyridylazo)-2-naphthal reacts in highly acidic solution at pH 2.45 to ...

Determination of trace Zn (II) ION by forming metal-ligand chelate complex in aqueous medium using UV-VIS spectrophotometric method

Mahbubul Hasan, Mohammad (Department of Chemistry (Chy), 2010-09)

Trace amount of Zinc has been determined by spectrophotometric method using 1,2-dihydroxy anthraquinone-3-sulphonic acid sodium salt (Alizarin Red S) as a spectrophotometric reagent. The ligand Alizarin Red S reacts in ...

Dispersion of nano matrices into cellulose network

Mahamuda Sultana (2016-08)

The nano particles of Nickel Oxides and Manganese Oxides was prepared chemically by precipitation and forced hydrolysis method respectively. NiO particles are synthesized by air calcination of Ni(OH)_2.NiCO_3.xH_2 O; which ...

Measurement of the activation cross sections of the fast neutron induced (N, 2N), (N, P) and (N, a) reactions on the isotopes of molybdenum, cobalt, zirconium and germanium

Abdul Halim, Md. (Department of Chemistry , BUET, 2003-08)

For abstracts please see full text

Studies of some mixed ligand compexes using bi-and tridentate ligands

Alamgir Kabir, Md. (Department of Chemistry , BUET, 2001-11)

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Studies of some novel astatistical factors stabilising ternary complexes

Humayun Kabir (Department of Chemistry , BUET, 1999-02)

Extensive research work on the determination of stability constants of complex compounds have been carried out .The present work was undertaken with the objective of the determination of stability constants of ternary ...

Studies on the treatment of wastewaters containing Cr6+ with ironoxide-silica composite materials prepared by different methods

Deb, Biplob Kumer (Department of Chemistry (Chy), 2012-06)

Chromium is found in many forms, but Cr(VI) is known to be carcinogenic to humans. It is important to ensure the removal of Chromium (VI) from aqueous solutions and industrial effluents. Among the known methods for ...

Synthesis and characterization of appropriate macrocyclic complexes of nickel (II) metal ion

Shahedur Rahman, Md. (Department of Chemistry (Chy), 2017-03)

In this study of some macrocyclic complexes of Ni (II) containing a ligand with tetraaza tetrahydrazin moiety were prepared by template condensation of malonodihydrazide (C3H8N4O2) with different aldehydes. A new macrocyclic ...

Synthesis and characterization of selected copper (II) macrocyclic complexes

Samiul Alam, Md. (Department of Chemistry (Chy), 2017-01)

In this study the template synthesis and characterization of metal ion complexes of Cu (II) are presented. New 16‐membered tetraaza macrocyclic complexes of the type [M (C8H16N8O4) (ClO4)2], [M (C10H20N8O4)(ClO4)2 ], [M ...

Synthesis and characterization of some macrocyclic complexes of nickel(II), copper(II), iron(II) and study of their biological activity

Jakir Hossain, Mohammad (Department of Chemistry (Chy), 2011-12)

Very large field in chemistry especially in bioinorganic chemistry is occupied by macrocyclic complex compounds. Macrocyclic complex compound is such type of a substance which contains macrocyclic ligand. Hemoglobin, ...

Synthesis and physico-chemical studies of some metal chelates using multidentate ligands in solid & solution states

Rehana Ahmed (Department of Chemistry , BUET, 1995-09)

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Synthesis of selected macrocyclic complexes and investigation of their antibacterial and antifungal activities

Jakir Hossain, Mohammad (Department of Chemistry, BUET, 2017-06-01)

The macrocyclic complex compounds of Ag(I) containing a ligand having tetraoxotetrahydrazin moity are synthesized by template condensation of malonodihydrazide (C3H8N4O2) with different aldehydes. The complexes are ...

Synthesis, characterization and biological activity study of some macrocyclic complexes of Co(II), Zn(II) and Cd(II)

Tania Nazneen (Department of Chemistry (Chy), 2012-03)

Macrocyclic chemistry is a growing area of research in inorganic and bioinorganic chemistry in view of its biological significance. The studies of macrocycles have undergone tremendous growth in recent years and ...

Browsing by Author "Rafique Ullah, Dr. Md."

Browsing by Author "Rafique Ullah, Dr. Md."

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