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Determination of kinetic properties of polyphenol oxidase from Thymus (Thymus longicaulis subsp chaubardii var. chaubardii)
(Elsevier Science Sa, 2004)
A partial characterization of polyphenol oxidase (PPO) activity of Thymus longicaulis subsp. chaubardii var. chaubardii is described. Polyphenol oxidase of Thymus was isolated by (NH4)(2)SO4 precipitation and dialysis. The ...
Removal of acid yellow 49 from aqueous solution by adsorption
(Parlar Scientific Publications (P S P), 2004)
In this study, the removal of an acid dye, acid yellow 49, used in the textile industry with sepiolite was investigated as a function of ionic strength, pH and temperature. Adsorption process was attained to the equilibrium ...
Some physicochemical properties of perlite as an adsorbent
(Parlar Scientific Publications (P S P), 2004)
Perlite is a glassy volcanic rock, which will, upon rapid controlled heating, expand into a frothy material of bulk density. Considering the fact that the uses of perlite are based primarily upon its physical and chemical ...
Dissolution Kinetics and Mechanism of Ulexite in Oxalic Acid Solutions
(Amer Chemical Soc, 2004)
The dissolution rates of ulexite in oxalic acid solutions were investigated statistically and graphically using homogeneous and heterogeneous reaction models at different stirring speeds, particle sizes, acid concentrations, ...
Kinetics and mechanism of removal of methylene blue by adsorption onto perlite
(Elsevier Science Bv, 2004)
The kinetics and mechanism of methylene blue adsorption on perlite have been studied. The effects of various experimental parameters, such as initial dye concentration, temperature and pH on the adsorption rate were ...
Dissolution kinetics of colemanite in oxalic acid solutions
(Elsevier Science Bv, 2004)
Colemanite is one of the most important underground riches of Turkey, having approximately 60% of the world boron deposits, and it has a large portion in the deposits. When colemanite having a 2CaO(.)3B(2)O(3)(.)5H(2)O ...
Sorption of acid red 57 from aqueous solution onto sepiolite
(Elsevier Science Bv, 2004)
Sepiolite, a highly porous mineral, is becoming widely used as an alternative material in areas where sorptive, catalytic and rheological applications are required. High ion exchange capacity and high surface area and more ...
