M. Tazul Islam

A Highly Selective and Sensitive Spectrophotometric Method for the Determination of Lead at Ultra-trace Levels in Some Real, Environmental, Biological, Food and Soil Samples Using 5,7-Dibromo-8-Hydroxyquinoline

M. Jamaluddin Ahmed, M. Tazul Islam & Sumaira Aziz · Chemical Science International Journal · 2019

A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method for the determination of trace amounts of lead using 5,7-dibromo-8-hydroxyquinoline (DBHQ) has been developed. DBHQ reacts in a slightly acidic (0.0006-0.0025 M HCl) aqueous solution with...

Open access Research Article 10.9734/CSJI/2019/v26i230087

A Simple Spectrophotometric Method for the Trace Determination of Iron in Some Real, Environmental, Biological, Food, Pharmaceutical and Soil Samples Using 2-aminophenol

M. Jamaluddin Ahmed, M. Tazul Islam, M. Jahir Hossain & M. Faridul Islam · Chemical Science International Journal · 2015

A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method is presented for the rapid determination of iron (III) at trace levels using ortho aminophenol or 2-aminophenol (OAP) as a new spectrophotometric reagent (lmax = 402 nm) in slightly acidi...

Open access Research Article 10.9734/ACSJ/2015/16749

High Sensitive and Selective Spectrophotometric Method for the Determination of Trace Level of Manganese in Some Real, Environmental, Biological, Soil, Food, Fertilizer and Pharmaceutical Samples Using Bis(2-hydroxy-1-naphthaldehyde) Orthophenylenediamin

M. Jamaluddin Ahmed, M. Tazul Islam & Shahanaz Parvin Lucky · Chemical Science International Journal · 2014

A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method is present for the determination of manganese at trace level using bis(2-hydroxy-1-napthaldehyde) orthophenylenediamine (HNA-OPD-HNA) has been proposed as new analytical reagent for the d...

Open access Research Article 10.9734/ACSJ/2014/7313