Equilibrium, kinetic and thermodynamic modeling for the adsorption of heavy metals onto chemically modified hydrotalcite

TS Anirudhan, PS Suchithra - 2010 - nopr.niscpr.res.in
The adsorption of heavy metals (Cu (II), Zn (II) and Cd (II)) from aqueous solutions with
tannin-immobilized calcined hydrotalcite (TA-HTC) was studied using batch experiment …

Compost and Crude Humic Substances Produced from Selected Wastes and Their Effects on Zea mays L. Nutrient Uptake and Growth

P Palanivell, K Susilawati, OH Ahmed… - The Scientific World …, 2013 - Wiley Online Library
Production of agriculture and timber commodities leads generation of enormous quantity of
wastes. Improper disposal of these agroindustrial wastes pollutes the environment. This …

A new organofunctionalized silica containing thioglycolic acid incorporated for divalent cations removal—A thermodyamic cation/basic center interaction

ALP Silva, KS Sousa, AFS Germano, VV Oliveira… - Colloids and Surfaces A …, 2009 - Elsevier
The silylating agent 3-[2-(2-aminoethylamino) ethylamino] propyl-trimethoxysilane was
previously immobilized onto silica gel in heterogeneous route, followed by incorporation of …

Preparation of entrapment-based microcolumns for analysis of drug-humic acid interactions by high-performance affinity chromatography

S Iftekhar, S Poddar, M Rauhauser, DD Snow… - Analytica Chimica …, 2023 - Elsevier
Reversible interactions between drugs and humic acid in water can be an important factor in
determining the bioavailability and effects of these pharmaceuticals as micropollutants in the …

Solid phase extraction and preconcentration of Cu (II), Pb (II), and Ni (II) in environmental samples on chemically modified Amberlite XAD-4 with a proper Schiff base

B Topuz, M Macit - Environmental monitoring and assessment, 2011 - Springer
A new chelating resin, Amberlite XAD-4 loaded with N, N-bis (salicylidene)
cyclohexanediamine (SCHD), was synthesized and characterized. The resin Amberlite XAD …

New potential humic acid stationary phase toward drug components: Development of a chemometric‐assisted RP‐HPLC method for the determination of paracetamol …

M Topkafa, HF Ayyildiz, FN Memon… - Journal of separation …, 2016 - Wiley Online Library
A new humic acid based stationary phase has been used, for the first time, to achieve the
separation and quantification of paracetamol and caffeine in pharmaceutical preparations …

Application of central composite design for the optimization of on-line solid phase extraction of Cu2+ by calix [4] arene bonded silica resin

FN Memon, HF Ayyilidiz, H Kara, S Memon… - Chemometrics and …, 2015 - Elsevier
Present study deals with the optimization of on-line solid phase extraction of Cu 2+ using
calix [4] arene based silica resin by the assessment of central composite design of response …

Role of different bleaching earths for sunfl ower oil in a pilot plant bleaching system

M Topkafa, HF Ayyıldız, FN Arslan, S Küçükkolbaşı… - 2013 - earsiv.kmu.edu.tr
The purpose of present study is to investigate the effi ciency of different kinds of Turkish
commercial bleaching earth materials for changes in different colour pigment concentrations …

Separation, pre-concentration and determination of trace amounts of lead (II) ions in environmental samples using two functionalised nanoporous silica gels …

M Javanbakht, H Rudbaraki, MR Sohrabi… - … of Environmental and …, 2010 - Taylor & Francis
In this study, two functionalised nanoporous silica gels containing dipyridyl sub-unit (SiL1
and SiL2) as selective solid-phase extraction materials for separation, pre-concentration and …

Extractive and oxidative removal of copper bound to humic acid in soil

BR Hwang, EJ Kim, JS Yang, K Baek - Environmental Science and …, 2015 - Springer
Copper (Cu) is often found strongly bound to natural organic matter (NOM) in soil through
the formation of strong Cu-NOM complexes. Therefore, in order to successfully remediate Cu …