搜索结果: 1-12 共查到“物理化学 spectrophotometric”相关记录12条 . 查询时间(0.078 秒)
Determination of Trace Amounts of Vanadium by Kinetic-Catalytic Spectrophotometric Methods
kinetic-catalytic method SPADNS methylthymol blue vanadium
2007/12/19
摘要 Kinetic-catalytic spectrophotometric methods were proposed for the determination of trace amounts of vanadium element as vanadium(IV) and/or V(V) ions. The vanadium(IV) as VO2＋ ion and/or vanadium(...
Catalytic Kinetic Spectrophotometric Method for Determination of Phosphate Ion
kinetic spectrophotometric method sodium pyrogallol-5-sulphonate phosphate oxygen oxidation determination water soil
2007/12/19
摘要 The kinetic method for the determination of phosphate microamounts was described. The developed method is based on catalytic effect of phosphate on sodium pyrogallol-5-sulphonate (PS) by dissolved ...
Extraction-Spectrophotometric Determination of Trace Amounts of Barium and Strontium by 18-Crown-6 and Rose Bengal Using Partial Least Squares
Partial least squares Extraction-spectrophotometric determination Barium Strontium
2010/4/19
Partial least squares modeling is a powerful multivariate statistical tool applied to extraction-spectrophotometric simultaneous determination of mixtures of barium and strontium. The method is based ...
Spectrophotometric Study of the Interaction Between Aza-15-Crown-5 and Some p-Acceptors in Chloroform Solution
Spectrophotometry Azacrown ethers TCNQ DDQ Bromanil TCNE
2010/4/19
A spectrophotometric study concerning the interaction between A15C5 as n-donor and TCNE, DDQ, TCNQ and bromanil as p -acceptor was been performed in chloroform at 25 °C. The results of TCNE indicate t...
Catalytic Spectrophotometric Determination of Chromium
Chromium catalytic determination sulfanilic acid hydrogen peroxide tap and industrial waters
2010/4/20
The catalytic effect of chromium(III) and chromium(VI) on the oxidation of sulfanilic acid by hydrogen peroxide was studied. The reaction was followed spectrophotometrically by measuring the absorbanc...
A Novel Method for the Spectrophotometric Determination of Thallium Using Methiomeprazine Hydrochloride
Methiomeprazine hydrochloride (MMH) thallium(III) determination spectrophotometry
2010/4/20
A new, simple, sensitive, and rapid spectrophotometric method is proposed for the determination of trace amounts of thallium(III). The method is based on the oxidation of methiomeprazine hydrochloride...
The Atomic Absorption Spectrophotometric Method for Indirect Determination of Nimodipine in Tablets
Aromatic nitro compounds Cadmium ion Pharmaceutical analysis Indirect determination
2010/4/20
A simple indirect atomic absorption spectrophotometric (AAS) method is described for the analysis of nimodipine in tablet formulations. The method is based on the reduction of the antihypertensive dru...
Determination of Trace Amounts of Iodide by an Inhibition Kinetic Spectrophotometric Method
Co(III)-EDTA inhibition kinetic iodide initial rate method and spectrophotometry
2010/4/21
Determination of Trace Amounts of Iodide by an Inhibition Kinetic Spectrophotometric Method.
Novel Method for the Spectrophotometric Determination of Isoniazid and Ritodrine Hydrochloride
Department of Studies in Chemistry University of Mysore
2010/4/22
A simple, rapid and sensitive spectrophotometric method for the determination of isoniazid (INH) and ritodrine hydrochloride (RTH) in pure form as well as dosage forms is described. The method is base...
Spectrophotometric Studies of the Behavior of P-Amino-N, N-Dimethyl Aniline with Ferric Nitrate in Methanol
UV-visible spectrophotometry charge transfer complex Benesi-Hildebrand
2010/4/22
The UV-visible absorption bands of the new complex were obtained using p-amino-N, N-dimethyl aniline as an electron donor with ferric nitrate as an electron acceptor in methanol at 25°C. The values o...
Derivative Spectrophotometric Determination of Caffeine in Some Beverages
Caffeine Beverages Derivative Spectrophotometry
2010/4/22
Caffeine content was determined in cola, coffee and tea by second and third order derivative spectrophotometry without using any separation or background correction technique and reagent. The method i...
Determination of Trace Amounts of Gold(III) using Ethopropazine Hydrochloride and Isothipendyl Hydrochloride: A Spectrophotometric Study
Trace Amounts of Gold Ethopropazine Hydrochloride A Spectrophotometric Study
2010/4/22
Two simple, sensitive and accurate spectrophotometric methods have been proposed for the determination of micro amounts of gold (III) using ethopropazine hydrochloride (EPH) and isothipendyl hydrochlo...