aqueous medium
Enhanced photocatalytic reduction of Hg(II) in aqueous medium by 2-aminothiazole-modified TiO2 particles
... The present paper describes the preparation of titania chemically modified with 2-aminothiazole groups, its characterization, sorption studies and photocatalytic reduction of mercury (II) in aqueous medium. ...
5
Removal of Cu 2+ Ions from Aqueous Medium Using Clinoptilolite/Emeraldine Base Composite
... The results show that the binding of the metal ions with the composite occurs immediately after mixing the composite with the aqueous medium (Fig. 2). Comparing the removal efficiency, which was achieved ...
5
Electrochemical Reduction Using Glassy Carbon Electrode in Aqueous Medium of a Potential Anti-Chagas Drug: NFOH
... to competitive adsorption, preventing the nitro radical anion surface protonation. The performed comparisons with mercury 14 and gold 30 electrodes confirm this behavior. Moreover, the voltammetric study of nitrofurans ...
5
Solid waste from tanneries as adsorbent for the removal of dyes in aqueous medium.
... SOLID WASTE FROM TANNERIES AS ADSORBENT FOR THE REMOVAL OF DYES IN AQUEOUS MEDIUM. The tanning process in the leather industry generates very high quantities of chromium-containing solid waste (“wet blue” ...
5
Microtitrimetric determination of a drug content of pharmaceuticals containing olanzapine in non-aqueous medium
... Two simple, rapid, reliable and cost-effective methods based on titrimetry in non-aqueous medium are described for the determination of olanzapine in pharmaceuticals. In these methods, the drug dissolved in ...
5
Magnetic niobia as adsorbent of organic contaminants in aqueous medium: effect of temperature and pH.
... MAGNETIC NIOBIA AS ADSORBENT OF ORGANIC CONTAMINANTS IN AQUEOUS MEDIUM: EFFECT OF TEMPERATURE AND pH. This work describes novel materials based on pure iron oxide and iron oxide/niobia composite to produce ...
5
Sorption of crystal violet by polyurethane foam from aqueous medium containing sodium dodecylsulfate.
... SORPTION OF CRYSTAL VIOLET BY POLYURETHANE FOAM FROM AQUEOUS MEDIUM CONTAINING SODIUM DODECYLSULFATE. This work presents a detailed study about the sorption of crystal violet (CV) cationic dye onto ...
7
Nitrofurazone and its nitroheterocyclic analogues: a study of the electrochemical behavior in aqueous medium
... in aqueous medium by using a glassy carbon ...acidic medium, being its formation linearly pH ...alkaline medium, is unfolded and a reversible reduction peak at a more positive potential ...
11
The effect of salinity on the sorption of cadmium ions from aqueous medium on Fe(III)-sepiolite
... A number of sorbents have shown high capa- cities for the removal of Cd 2+ from aqueous solutions. However, these sorption capacities have been deter- mined in deionized water, a simple matrix that fails to ...
9
Spray Deposited Bismuth Oxide Thin Films from Non-Aqueous Medium
... 7KHVWUXFWXUDOLGHQWLILFDWLRQRI%LVPXWK2[LGHILOPZDVFDUULHGRXWXVLQJDQ;UD\GLIIUDFWPHWHULQWKH UDQJH 0 ș DQGLVVKRZQLQ)LJ,WZDVIRXQGWKDWWKHILOPVDUHSRO\FU\VWDOOLQHLQQDWXUH7KHCGYDOXHVRI WKH;5[r] ...
6
LEACHING KINETICS OF ULEXITE ORE IN AQUEOUS MEDIUM AT DIFFERENT CO
... The study presented is about the leaching kinetics of ulexite ore in aqueous media under various CO 2 partial pressures. The results show that the leaching rate of ulexite increased with the increase in the ...
12
Electrochemical reduction and voltammetric determination of diloxanide furoate in non-aqueous medium
... The voltammetric techniques have revealed great analytical potentiality for DF determination in non- aqueous solutions. The techniques of LSV and DPV have presented similar sensitivity values and detection limit, ...
6
Braz. J. Chem. Eng. vol.25 número2
... Experimental data for comparison with simulation results were obtained from published work of Annuar et al. (2007), which also elaborated on the bioreactor specifications and experimental conditions (fatty acid ...
12
J. Braz. Chem. Soc. vol.17 número6
... This paper shows that, depending on their nanotexture, carbon materials may have different and very useful functions in electrochemical energy storage systems. Hydrogen can be stored reversibly at ambient conditions in ...
7
Polímeros vol.26 número4
... In aqueous medium, amphiphilic block copolymers self-assemble by association of the hydrophobic blocks giving several types of nanoparticles. Although numerous morphologies have been reported, the most ...
9
Molecular dynamics studies of amylose plasticized with Brazilian Cerrado oils: part I
... In this regard, the present contribution provides a systematic study performed by Molecular Mechanics (MM) and Molecular Dynamics methods with the Polymer Consistent Force Field (PCFF) on the assembly of multiple amylose ...
9
Electrolytic treatment applied to the industrial effluent containing persistent wastes monitored by Bartha respirometric assays
... in aqueous medium, simulated in laboratory through respirometric tests in closed erlenmeyers showed that the degradation rate was dependent of the effluent type used, of the amount and quality of the ...
7
J. Braz. Chem. Soc. vol.17 número4
... chemical stability within a wide range of pH values, and its low risk to human health and to the environment. However, TiO 2 has been used with good results in the treatment of waters with high organic vegetable or ...
4
J. Braz. Chem. Soc. vol.25 número2
... In the absence of LA, redox processes were observed from −0.90 V to 0.00 V in both mediums. In aqueous medium, two peaks were observed during positive potential sweep, at −0.40 V and −0.05 V. Clearly, both ...
8
Mat. Res. vol.10 número1
... Synthesis and Characterisation of Polyvinyl alcohol (PVA)/Silica Hybrid Composites Derived Through the Sol-Gel Method in Aqueous Medium: Effect of Acid Content, Silica Content and Visc[r] ...
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