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Rapid and Accurate Determination of Stern-Volmer Quenching Constants
fluorescence quenching instrumentation Polycyclic aromatic hydrocarbons
2015/1/7
In this work, a novel system has been designed, characterized, and validated for the determination of fluorescence quenching constants. Capillary flow injection methods are used to automate the prepar...
Voltammetric determination of ascorbic acid in the presence of acetaminophen and tryptophan using an improved carbon nanotube paste electrode（图）
Ascorbic acid Acetaminophen Tryptophan Carbon nanotube paste electrode Electrocatalysis
2013/9/26
A carbon paste electrode (CPE) modified with carbon nanotubes and 5-amino-3',4'-dimethyl- biphenyl-2-ol (5ADB) is prepared. Under the optimum pH of 7.0, the oxidation of ascorbic acid (AA) on the modi...
Carbon Paste Electrode Prepared from Chemically Modified Multiwall Carbon Nanotubes for the Voltammetric Determination of Isoprenaline in Pharmaceutical and Urine Samples（图）
isoprenaline carbon nanotube electrode electrocatalytic effect voltammetry
2013/10/4
A carbon paste electrode with added multiwall carbon nanotubes chemically modified with N-(3,4-dihydroxyphenethyl)- 3,5-dinitrobenzamide was used as the electrochemical sensor for the determination of...
A Carbon Nanotube Modified Electrode for Determination of Caffeine by Differential Pulse Voltammetry（图）
caffeine electrocatalysis electrochemical determination single-walled carbon nanotube carbon-ceramic electrode
2013/10/4
A simple and sensitive electrochemical detection of caffeine (CAF) using a single-walled carbon nanotubes on carbon-ceramic electrode (SWCNT/CCE) is reported. CAF was oxidized at the surface of the mo...
New Modified-Multiwall Carbon Nanotubes Paste Electrode for Electrocatalytic Oxidation and Determination of Hydrazine Using Square Wave Voltammetry（图）
hydrazine determination modified carbon nanotubes paste electrode electrocatalytic measurement voltammetry
2013/10/8
The application of p-aminophenol as a suitable mediator, as a sensitive and selective voltammetric sensor for the determination of hydrazine using square wave voltammetric method were described. The m...
Sensitive Voltammetric Determination of Captopril Using a Carbon Paste Electrode Modified with Nano-TiO2/Ferrocene Carboxylic Acid（图）
electrocatalysis modified electrode nano-TiO2 ferrocene carboxylic acid captopril cyclic voltammetry
2013/10/10
A carbon paste electrode (CPE) modified with ferrocene carboxylic acid (FcCA) and TiO2 nanoparticles was constructed by incorporating TiO2 nanoparticles and ferrocene carboxylic acid into the carbon p...
Determination of Interfacial Parameters of Copolyamide Membrane Material by HPLC
high performance liquid chromatography
2009/11/16
The High Performance Liquid Chromatography (HPLC) method is employed with copolyamide-170 (PA-170) membrane material as packing to determine the retention volume (V?R) and equilibrium distribution coe...
RESEARCH NOTE ON A PARABOLIC HEAT-BALANCE INTEGRAL METHOD WITH UNSPECIFIED EXPONENT: AN ENTROPY GENERATION APPROACH IN OPTIMAL PROFILE DETERMINATION
heat-balance integral method parabolic profile unspecified exponent
2009/10/14
The heat-balance integral method of Goodman is studied with two simple 1-D heat conduction problems with prescribed temperature and flux boundary conditions. These classical problems with well known e...
One-Sided Single-Cell Technique for the Determination of Henry's Constant
Henry's constant solubility olive oil one-sided single-cell technique
2009/10/13
In this work it was shown that it is possible to determine Henry's constant for gases in non-volatile liquids by using the one-sided single-cell technique used in analysing di usion and adsorption in ...
Determination of the Methanol Decomposition Mechanism on a Polycrystalline Platinum Electrode
Methanol Decomposition Tafel E-transfer Rate determining step
2009/10/10
Direct 4-electron and single-electron transfer mechanisms are proposed for methanol decomposition.Kinetic models showed that the water-gas shift reaction was the rate determining step for both mechani...
Determination of Susceptibility to Intergranular Corrosion of UNS 31803 Type Duplex Stainless Steel by Electrochemical Reactivation Method
Duplex stainless steel Sigma phase Secondary austenite Electrochemical potentiostatic reactivation
2009/9/30
Specimens taken from a hot rolled cylindrical duplex stainless steel (DSS) bar with 22% Cr and 5% Ni
grade were solution annealed at 1050 ◦ C and then sensitization heat treatments were conduct...
Drop Distribution Determination in a Liquid-Liquid Dispersion by Image Processing
Liquid-Liquid Dispersion Image Processing
2009/9/2
This paper presents the implementation of an algorithm for automatic identification of drops with different sizes in monochromatic digitized frames of a liquid-liquid chemical process. These image fra...
Determination of Thermodynamic Parameters of Some Fluorochlorohydrocarbons in Acetone by Gas Chromatography at Low Temperature and Pressurization
low temperature pressurization chromatography
2009/4/27
Determination of Thermodynamic Parameters of Some Fluorochlorohydrocarbons in Acetone by Gas Chromatography at Low
Temperature and Pressurization。
Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System
polyacrylamide colloidal dispersion gel crosslinking system
2009/4/23
Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System.
Determination of the optimal rankine cycle for waste heat recovery
waste heat recovery Rankine cycle process integration
2009/4/23
Determination of the optimal rankine cycle for waste heat recovery.