This article evaluates the use of red mud waste material in the remediation of polluted heavy
metal water to remove copper ions. For studying metal adsorption, 1g of red mud has been …

A highly stable ternary complex of copper (II) with 5-(4-nitrophenylazo) salicylic acid (NPAS)
and 2, 2′-Dipyridyl (Dp) in ethanol medium at room temperature gave a maximum …

A new, simple and sensitive cloud point extraction procedure was presented for the
preconcentration and determination of copper (II) ion in food, water and biological samples …

A simple and selective spectrophotometric method was developed for the determination of
copper (II) with 1-(2′, 4′-dinitro aminophenyl)-4, 4, 6-trimethyl-1, 4-dihydropyrimidine-2 …

Two selective and sensitive reagents, 2-acetylpyridine thiosemicarbazone (2-APT) and 3-
acetylpyridine thiosemicarbazone (3-APT) were used for the spectrophotometric …

3-{2-[2-(2-hydroxyimino-1-methyl-propylideneamino)-ethylamino]-ethyl-imino}-butan-2-one
oxime,(H2mdo) reacts with copper (II) to form a highly stable 1: 1 complex in alkaline …

An Cu (II)-imprinted interpenetrating polymer network (IPN) gel of epoxy-diethylenetriamine
and methacrylic acid-acrylamide-N, N′-methylene-bis-(acrylamide) was synthesized by the …

A new reagent 3, 3′-(1, 3-propanedyldiimine) bis-[3-methyl-2-butanone] dioxime (PnAO)
has been prepared and used for developing a simple spectrophotometric method for the …

The need for highly reliable methods for the determination of trace metals is recognized in
analytical chemistry and environmental science. A method based on the cloud-point …

A highly sensitive method is proposed to determine copper (II) ions by forming a stable
complex through their interaction with 4-(2′-benzothiazolylazo)-salicylic acid (BTAS) at …