搜索结果: 1-15 共查到“aqueous solutions”相关记录40条 . 查询时间(0.062 秒)
From popular culture to basic science, water and its solutions feature prominently. Indeed, our fascination with water ranges from epic films chronicling the devastating impact of tidal waves and floo...
Removal of health hazards causing acidic dyes from aqueous solutions by the process of adsorption
Acidic dyes Adsorbents Health hazard
2015/7/29
The association of dyes, particularly acidic dyes with health related problems is not a new phenomenon. A lot of well established literature is already available on the role of dyes as a major cause i...
Cr(VI) Ions Removal from Aqueous Solutions Using Natural Adsorbents – FTIR Studies
FTIR Chromium (VI) Rice Straw Hyacinth Roots Saw Dust
2013/3/12
The ability of eight natural adsorbents were investigated for adsorptive removal of Cr(VI) from aqueous solutions. Various physico-chemical parameters such as pH, initial metal ion concentration, adso...
Prediction of equilibrium Li isotope fractionation between minerals and aqueous solutions at high P and T: an efficient ab initio approach
Li isotope fractionation equilibrium minerals aqueous
2011/8/11
Abstract: The mass-dependent equilibrium stable isotope fractionation between different materials is an important geochemical process. Here we present an efficient method to compute the isotope fracti...
Prediction of equilibrium Li isotope fractionation between minerals and aqueous solutions at high P and T: an efficient ab initio approach
equilibrium isotope fractionation aqueous solutions efficient initio approach
2011/10/14
The mass-dependent equilibrium stable isotope fractionation between different materials is an important geochemical process. Here we present an efficient method to compute the isotope fractionation be...
Adsorption behavior of Cu2+ from aqueous solutions onto starch-g-poly (acrylic acid)/sodium humate hydrogels
Starch Sodium humate Hydrogel Cu2+ adsorption Complexation
2011/12/14
A series of starch-g-poly(acrylic acid)/sodium humate (St-g-PAA/SH) hydrogels were prepared and used to adsorb Cu2+ from the aqueous solution. The batch adsorption experiments were carried out by vary...
Sorption of radiocobalt(II) from aqueous solutions to Na-attapulgite
Co(II) Sorption Na-attapulgite pH Thermodynamic parameters
2011/11/10
The sorption of Co(II) on Na-attapulgite as a function of contact time, solid content, pH, ionic strength, foreign ions, fulvic acid (FA) and temperature under ambient conditions was studied. The kine...
Adsorption of cationic dye on N,O-carboxymethylchitosan from aqueous solutions: equilibrium, kinetics,and adsorption mechanism
N,O-carboxymethyl-chitosan Adsorption Methylene blue Equilibrium Kinetics Mechanism
2011/12/15
In order to improve the adsorption capacity of chitosan (CTS) for methylene blue (MB) cationic dye, a series of N,O-carboxymethyl-chitosans (N,O-CMCTS) were prepared under heterogeneous conditions by ...
Synthesis of Novel Chelating Adsorbents for Boron Uptake from Aqueous Solutions
boron adsorbent chelating resin uptake capacity
2009/11/13
Two kinds of novel chelating adsorbents have been synthesized to separate boron from aqueous solutions. One is the boron-specific chelating resin, synthesized by the functionalization of macroporous p...
A simple spectrophotometric method for the determination of iron(II) aqueous solutions
Spectrophotometry iron determination morin alloys steels environmental biological samples soil samples
2010/4/8
An ultra-sensitive and highly selective non-extractive spectrophotometric method is presented for the rapid determination of iron(II) at trace levels using 2', 3, 4', 5, 7-Pentahydroxyflavone (morin) ...
KINETICS AND EQUILIBRIUM STUDIES ON THE BIOSORPTION OF HEXAVALENT CHROMIUM FROM AQUEOUS SOLUTIONS USING BACILLUS SUBTILIS BIOMASS
Biosorption Bacillus subtilis hexavalent chromium adsorption isotherms biomass
2010/3/26
Heavy metal contamination of industrial effluents is one of the significant environmental
problems due to their toxic nature and accumulation throughout the food chain as non-biodegradable pollutants...
Biosorption of Chromium, Copper, Nickel and Zinc Ions onto Fungal Pellets of Aspergillus niger 405 from Aqueous Solutions
fungus Aspergillus niger 405 heavy metals biosorption
2009/3/23
Fungal mycelium pellets of Aspergillus niger 405 were used for adsorption of different metal ions. The biosorption of Cu2+, Zn2+, Ni2+ and CrO42- was studied over a range of metal ion concentrations, ...
Hydrolysis of N-Phenylimide Herbicide Flumioxazin and Its Anilic Acid Derivative in Aqueous Solutions
hydrolysis of flumioxazin reaction mechanism of hydrolysis kinetic analysis column-switching HPLC
2009/3/7
Hydrolysis of the N-phenylimide herbicide flumioxazin was studied at pH 2.5-9.0 and 25±1°C by directly analyzing a buffered aqueous solution with column-switching high performance liquid chromatogra...
Effect of ethanol on interactions of bitter and sweet tastes in aqueous solutions
sweetness bitterness ethanol sucrose Aspartame Neotame sensory analysis
2014/3/3
Experimental samples simulated the composition of vermouths. In all experiments, 0.01% quinine was used as a standard bitter substance. Sucrose increased the acceptability in the concentration range o...
Solvent Effects on Complexation of Molybdenum(VI) with Nitrilotriacetic Acid in Different Aqueous Solutions of Propanol
solvent effect molybdenum(VI)
2007/12/20
摘要 By using spectrophotometric and potentiometric techniques the formation constants of the species formed in the systems H＋＋Mo(VI)＋nitrilotriacetic acid and H＋＋nitrilotriacetic acid have been determi...