Exchangeable aluminum evaluation in acid soils
One of the main factors limiting agricultural production in tropical climate regions is mainly related to the presence of exchangeable aluminum (Al3+) in highly weathered acid soils.
Cassio Hamilton Abreu Jr. +2 more
doaj
Homo- and Heteroligand Nickel(II) Complexes with Benzoic and para-Methoxybenzoic Acid Hydrazides and L-Histidine [PDF]
Complex formation of nickel(II) with benzoic, para-methoxybenzoic acid hydrazides, and L-histidine have been studied by the methods of pH-metric titrimetry, spectrophotometry, and mathematical modelling in aqueous solutions with 1.0 mol dm–3 KNO3 as ...
N.V. Troshanin +4 more
doaj
Simple and Rapid Methods for the Analysis of Captopril in Dosage Forms
Two indirect methods are described for the micro determination of captopril using hexacyanoferrate (III) as reagent. The reaction used for titrimetry proceeds at room temperature and will be complete in 10 minute with a stoichiometry of 1:1 with respect ...
H. Chandru, A. C. Sharada
doaj +1 more source
The Challenge of Measuring Sweet Taste in Food Ingredients and Products for Regulatory Compliance: A Scientific Opinion. [PDF]
Starkey DE +18 more
europepmc +1 more source
Sensing with FETs - once, now and future [PDF]
In this paper a short overview is given of the several FET-based sensor devices and the operational principle of the ISFET is summarized. Some of the shortcomings of the FET sensors were circumvented by an alternative operational mode, resulting in a ...
Berg, A. van den +3 more
core +1 more source
In titrimetric analysis costlier organic solvents are more often employed to solubilize the poorly water-soluble drugs. Volatility and pollution are drawbacks of such solvents.
R K Maheshwari, Shruti Moondra
doaj +2 more sources
Experiments in thermometric titrimetry and titration calorimetry (Eatough, Delbert J.; Christensen, James J.; Izatt, Reed M.) [PDF]
William F. Kieffer
openalex +1 more source
O alendronato de sódio é um composto aminodifosfonado capaz de se fixar à matriz óssea e inibir a reabsorção mediada por osteoclastos. A escassez de metodologias oficiais para a determinação quantitativa deste fármaco levou ao desenvolvimento de diversos
ANA FERREIRA RIBEIRO +1 more
doaj
François-Antoine-Henri Descroizilles (1781-1825), demostrador real de química, boticario, inventor y químico industrial: padre del análisis volumétrico. Parte 1ª [PDF]
In this contribution the life and work of François-Antoine-Henry Descroizilles is reviewed. He is recognized as a multifaceted person, and as a skilled and wise chemist by eminent scientists of his time.
García Asuero, Agustín +2 more
core +1 more source
Elaboration of techniques for analysis of antioxidant preparation «Vitaox»
Techniques of analysis of new antioxidant preparation «Vitaox» which contains dihydroquercetin and ascorbinic acid have been developed. It has been proposed to determine dihydroquercetin by method of high-performance liquid chromatography and an ...
A V Prostolupova +3 more
doaj

