Results 21 to 30 of about 253,535 (258)

CENTRE OF ISOTOPIC AND GEOCHEMICAL RESEARCH (IGC SB RAS): CURRENT STATE OF MICRO- AND MACROANALYSIS

open access: yesГеодинамика и тектонофизика, 2022
Centre of Isotopic and Geochemical Research based on the Analytical Department of Vinogradov Institute of Geochemistry SB RAS (Irkutsk) performs a wide range of analytical studies to solve mineralogical and petrological, geochemical, prospecting ...
S. Yu. Skuzovatov   +7 more
doaj   +1 more source

RESEARCH OF THE ENTRANCE ANGLE EFFECT ON THE REFLECTANCE SPECTRA OF THE STAINLESS STEEL SURFACE OXIDIZED BY PULSED LASER RADIATION [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
Subject of Research.Oxide films on the metal surfaces can be obtained both by surface-uniform infrared heating and local laser treatment e.g. by sequence of nanosecond laser pulses.
V. P. Veiko   +5 more
doaj   +1 more source

Spectrophotometric Determination of Erdosteine at Capsule Dosage Forms

open access: yesBezmiâlem Science, 2021
Objective:Two simple, rapid and sensitive methods were developed for determination of Erdosteine (ERD) in pure form as well as in their pharmaceutical formulations.Methods:The methods were based on formation of colored charge transfer complexes with ERD ...
Cem ÖNAL, Demet DİNÇEL
doaj   +1 more source

Development of Voltammetry Analysis Method of Copper Metal Ions by Solid-State Membrane with Carbon Nanotube

open access: yesIndonesian Journal of Chemistry, 2021
This study was aimed to develop a method for metal analysis in continuous integration using voltammetry techniques. The research subject was copper(II) ions.
Suyanta Suyanta   +5 more
doaj   +1 more source

DEVELOPMENT OF THE TECHNIQUE OF QUANTITATIVE DEFINITION OF TRIAZAVIRIN IN WATER SOLUTIONS WITH USE OF THE SPECTROPHOTOMETRY METHOD

open access: yesБюллетень сибирской медицины, 2014
Authors of article developed techniques of quantitative definition Triazavirin in water solutions with use of a method of a spectrophotometry. Three options of a method of a s spectrophotometry are used: direct spectrophotometry, spectrophotometry ...
M. Yu. Kinev   +3 more
doaj   +1 more source

Room temperature cloud point extraction: An application to preconcentration and spectrophotometric determination of copper(II) [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
The novel cloud point extraction procedure for preconcentration of copper(II) was discovered. A simple chemical method for initiating the cloud point extraction (CPE) has been proposed.
Snigur Denys   +4 more
doaj   +1 more source

An analysis of the shapes of interstellar extinction curves. VII Milky Way spectrophotometric optical-through-ultraviolet extinction and its R-dependence [PDF]

open access: yes, 2019
We produce a set of 72 NIR-through-UV extinction curves by combining new Hubble Space Telescope/STIS optical spectrophotometry with existing International Ultraviolet Explorer spectrophotometry (yielding gapless coverage from 1150 to 10000 ?) and NIR ...
Bohlin, Ralph   +4 more
core   +4 more sources

Electrochemical measurements of the levels of nitric oxide metabolites in the blood serum [PDF]

open access: yesКлиническая практика, 2023
Background: Sepsis is a serious clinical condition caused by a dysregulated immune response to infection resulting in multiple organ failure. In the pathogenesis of sepsis, especially that of septic shock, great importance is given to the endothelial ...
Irina V. Goroncharovskaya   +6 more
doaj   +1 more source

Spectrophotometric methods for the determination of letrozole in bulk and pharmaceutical dosage forms

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2010
Ultraviolet (UV), first derivative, second derivative, and AUC-spectrophotometric methods for the determination of letrozole in pharmaceutical formulations have been developed.
Sasmita Kumari Acharjya   +4 more
doaj   +1 more source

Spectrophotometry for cerebrospinal fluid pigment analysis [PDF]

open access: yes, 2006
The use of spectrophotometry for the analysis of the cerebrospinal fluid (CSF) is reviewed. The clinically relevant CSF pigments--oxyhemoglobin and bilirubin--are introduced and discussed with regard to clinical differential diagnosis and potentially ...
Keir, G., Petzold, A., Sharpe, L.T.
core   +1 more source

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