Results 51 to 60 of about 340,902 (203)

THIOCYANATE ION-SELECTIVE PVC MEMBRANE ELECTRODE [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2010
A potentiometric selective sensor based on trinuclear chromium(III) complex as a novel ionophore for the thiocyanateselective electrode is reported. The sensor displays a near Nernstian slope of 57 ± 2 mV per decade, over a wide pH range 3 - 11.
Mihail Revenco   +2 more
doaj  

Investigation of the Equilibrium Constant and Thermodynamic Properties of Borax Dissolution Using Titration Techniques

open access: yesDera Natung Government College Research Journal
This experiment uses the method of titrating saturated Borax aqueous solution with hydrochloric acid to determine the equilibrium constant of Borax as well as its enthalpy change, entropy change, and standard free energy of dissolution. Using this method,
Rimmo Loyi Lego, Lily Achumi
doaj   +1 more source

CHARACTERIZATION OF THE MECHANISM OF 6-PHOSPHOGLUCONATE DEHYDROGENASE FROM TRYPANOSOMA BRUCEI AND ITS INTERACTION WITH INHIBITORS BY ISOTHERMAL TITRATION CALORIMETRY [PDF]

open access: yes, 2009
6-Phosphogluconate dehydrogenase (6PGDH) converts 6PG to ribulose 5-phosphate and concomitantly provides NADPH, inside the pentose phosphate pathway. Its presence has been shown essential for growth of bloodstream form Trypanosoma brucei, a parasite ...
Montin, Katy
core  

Acid-Base Titration [PDF]

open access: yes, 2019
Titration is an analytical method used in biomedical sciences and analytical chemistry laboratories to determine the quantity or the concentration of a known or unknown substance.
Pierre, David
core   +1 more source

Autonomous Titration for Chemistry Classrooms: Preparing Students for Digitized Chemistry Laboratories [PDF]

open access: yes, 2020
The digitalization of the economy is one of the drivers of the fourth industrial revolution. This trend is already heavily permeating biology laboratories and rapidly moving into chemistry as well.
Jonathan, Romero   +11 more
core   +2 more sources

A coulometric-titration coulomeler

open access: yes, 1959
A highly precise coulometer is described which permits time integration of currents totaling 100 coulombs or more with a precision of about 1 part in 100,000.
Smith, Stanley W. ; Taylor, John K.
core   +1 more source

Quantitative analysis of total alkaloids by titration and Hyoscyamine by HPLC in indigenous Datur species inNorth of Iran [PDF]

open access: yesJournal of Mazandaran University of Medical Sciences, 2005
Background and purpose :.There are ten identified species of Datura in the world. Datura stramonium L. (Torn apple or Jimsonweed) and D.innoxia Mill. (Hindudatura) are endemic species of Datura in Iran, especially in the North (Caspian Sea region).
M. Azadbakht, S.M. Hoseinzadeh
doaj  

The sulphur and chlorine contents of grass and maize silage

open access: yesActa Agriculturae Slovenica, 2001
In seven defined samples of grass and in six samples of maize silage the contents of sulphur and chlorine were determined by two analytical procedures: both elements with X-ray fluorescence spectrometry (XRF), sulphur separately with inductively coupled ...
Marija RAJČEVIČ   +4 more
doaj   +1 more source

Comparison of salt titration and potentiometric titration methods for the determination of zero point of charge

open access: yes, 1988
the salt ritration metod was evaluated as a method to determine zpc in comparison with the potentiometric titration method for 26 soil with variable charge clays,i.e.,Oxisols and Ultisols from Thailand and Andisols from Japan.
and Kazutake KYUMA   +2 more
core  

Prescribing and up-titration in recently hospitalized heart failure patients attending a disease management program [PDF]

open access: yes, 2016
Background Heart failure (HF) medications improve clinical outcomes, with optimal doses defined in clinical trials. Patient, provider and system barriers may limit achievement of optimal doses in real life settings, although disease management programs ...
Carroll, Robert   +4 more
core   +1 more source

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