Results 61 to 70 of about 215,852 (161)

Pseudo first-order reaction rate constant for the formation of hydroxymethylhydroperoxide from formaldehyde and hydrogen peroxide

Atmospheric Environment (1967), 1988
Abstract H2O2(0.5−4.0 × 10−5M) and H2CO (0.0075–0.1 M) were reacted in aqueous solutions buffered at pH between 4.0 and 6.9. The reaction rate constant (k) in d[H 2 O 2 ] dt = k[H 2 O 2 ] [H 2 CO] [H + was determined to be (6.47 ±0.11) × 10 −8 s −1 at 22°C.
Benner, W.H., Bizjak, M.
openaire   +2 more sources

Adsorption of Acid Red 18 (AR18) by Activated Carbon from Poplar Wood- A Kinetic and Equilibrium Study

E-Journal of Chemistry, 2010
Adsorption process by activated carbon is widely used for removal of dyes. Because of economical limits, activated carbon derived from low cost materials seem to be economical.
Reza Shokoohi, Vahid Vatanpoor, Mansuor Zarrabi, Akram Vatani   +3 more
doaj   +1 more source

CQDs/ZnO composites based on waste rice noodles: preparation and photocatalytic capability. [PDF]

RSC Adv, 2022
Jin XY, Ying WY, Che RJ, Xiao P, Zhou YQ, Liu Y, Liu MY, Chen SP.   +7 more
europepmc   +1 more source

PSEUDO-FIRST-ORDER PHASE TRANSITION IN ONE DIMENSION

PSEUDO-FIRST-ORDER PHASE TRANSITION IN ONE DIMENSION
A study is made of the one-dimensional Landau-Ginzburg system with Ψ^6 term, a model of the first-order phase transition. Fluctuations are taken into account by means of the WKB method. It is pointed out that the first-order phase transition is smeared by the formation of soliton or domain walls between two coexisting phases.
openaire   +1 more source

Metoprolol Tartrate Drug Loading and Release from Prepared Mesoporous Silica; Kinetic of Adsorption and Release

Ibn Al-Haitham Journal for Pure and Applied Sciences
Mesoporous silica was developed to transport metoprolol tartrate (MPT). The data obtained from the kinetic experiments of adsorption of 15 ppm of MPT drug at 293 K was fitted in the pseudo-first-order, pseudo-second-order, and intraparticle diffusion ...
Manar Abdulameer Sachit, Sameer Hakeem Kareem   +1 more
doaj   +1 more source

Aqueous Cymbopogon citratus Extract Mediated Silver Nanoparticles: Part II. Dye Degradation Studies

Eng
This study investigates the catalytic potential of silver nanoparticles (AgNPs) synthesized using aqueous Cymbopogon citratus (lemongrass) extract for the degradation of toxic textile dyes, offering an eco-friendly solution to industrial wastewater ...
Himabindu Kurra, Aditya Velidandi, Ninian Prem Prashanth Pabbathi, Vikram Godishala   +3 more
doaj   +1 more source

An Ozone Consumption Model with Two Second-Order Reactions: Extending the Initial Ozone Demand/Pseudo-First-Order Model

Ozone: Science & Engineering
In the study and management of ozonation, a model that describes ozone (O3) concentration dynamics is a fundamental framework. However, the conventional initial O3 demand/pseudo-first-order model (IPM) is strongly dependent on the O3 dose and consequently constrains both basic and applied research.
Kohei Kawaguchi, Taira Hidaka, Fumitake Nishimura   +2 more
openaire   +1 more source

A Kinetic Signature for Parallel Pathways: Conformational Selection and Induced Fit. Links and Disconnects between Observed Relaxation Rates and Fractional Equilibrium Flux under Pseudo-First-Order Conditions. [PDF]

Biochemistry, 2016
Galburt EA, Rammohan J.
europepmc   +1 more source

The Michaelis-Menten Reaction at Low Substrate Concentrations: Pseudo-First-Order Kinetics and Conditions for Timescale Separation. [PDF]

Bull Math Biol
Eilertsen J, Schnell S, Walcher S.
europepmc   +1 more source

Preparation and characterization of natural gum nanomuscovite nanocomposite for removal of heavy metals. [PDF]

Sci Rep
Rashed MN, Arifien ASA, El-Dowy FA.
europepmc   +1 more source