Results 171 to 180 of about 4,605 (199)

Rapid qualitative analysis of metallic alloys by electrospot chromatography

Chromatographia, 1979
Electrography and paper chromatography were combined to analyse rapidly metallic alloys in an almost non destructive technique. Using anodic dissolution the sample is applied on the start point of the chromatographic paper. Known ketones-HCl-water mixtures are usually used as solvents to analyse electrospots of different alloys and metal coatings and a
João A. Medeiros, R. N. Damasceno
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A Rapid and Precise Computer Method for Qualitative X-ray Fluorescence Analysis

Advances in X-ray Analysis, 1980
AbstractThis paper describes a computer method for wavelength dispersive (WD) qualitative X-ray fluorescence (XRF) analysis. It determines the elements, spectral lines, wavelengths, reflection angles and peak intensities of the first and second order reflections in less than half a minute of time using an IBM Series/1 minicomputer.
T. C. Huang, W. Parrish, G. L. Ayers
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A rapid method for the qualitative analysis of mixtures of inorganic ions by paper electromigration

Journal of Chromatography A, 1964
Abstract A method for qualitative analysis of mixtures of inorganic ions by paper electromigration in 1 N citric acid at 30 V/cm is described. A thread technique for the application of the sample is described, which gives narrow initial zones. Thirty-eight ions are characterized by their relative mobilities with respect to the Co2+ ion and their ...
G, DE VRIES, G P, SCHUETZ, , VAN DALEN
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Rapid qualitative phase analysis in highly textured thin films by x-ray diffraction

Review of Scientific Instruments, 2008
Phase analysis of highly out-of-plane textured specimens using x-ray diffraction is usually complicated due to the disappearance of most of the x-ray peaks in a common θ∕2θ diffraction geometry. In this paper, we propose a technique, where powderlike spectra of textured samples are obtained by multiaxial x-ray diffraction scans.
Borgia C, Olliges S, Spolenak R
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Qualitative analysis of a predator–prey model with rapid evolution and piecewise constant arguments

International Journal of Biomathematics, 2017
The qualitative analysis of a predator–prey model with rapid evolution and piecewise constant arguments is investigated in this work. The discrete model, which determines the dynamical behavior of the corresponding differential model, is achieved by calculation. First, the sufficient conditions for the existence and local stability of the equilibriums
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Rapid qualitative and quantitative analysis of methamphetamine, ketamine, heroin, and cocaine by near-infrared spectroscopy

Forensic Science International, 2018
Rapid and nondestructive near infrared spectroscopy (NIR) methods have been developed for simultaneous qualitative and quantitative analysis of methamphetamine, ketamine, heroin, and cocaine in seized samples. This is the first systematic report regarding a qualitative and quantitative procedure of applying NIR for drug analysis.
Cui-mei Liu, Yu Han, Shun-geng Min, Wei Jia, Xin Meng, Pei-pei Liu   +5 more
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[Rapid spectrochemical qualitative analysis of simple OMA system].

Guang pu xue yu guang pu fen xi = Guang pu, 2010
Simple optical multichannel analyzer (OMA) system which is formed by ordinary one dimension CCD camera, spectrograph and microcomputer was introduced in this paper. Spectrochemical analysis feasible of this OMA system was studied. The applied software programed, by us can realize wavelength calibration, spectral line identification and give out ...
C, Yang, Y, Lin, H, Xu, X, Wen, L, Lin
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A rapid HPLC–ESI-MS/MS for qualitative and quantitative analysis of saponins in “XUESETONG” injection

Journal of Pharmaceutical and Biomedical Analysis, 2006
'XUESETONG' injection, one of the most widely used proprietary medicines in traditional Chinese medicine, consists of total saponins made from Panax notoginseng, which is a highly valued and important Chinese medicinal herb. It is used to treat cardiovascular diseases.
C M, Lai, S P, Li, H, Yu, J B, Wan, K W, Kan, Y T, Wang   +5 more
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Development of a Rapid Test Kit for Qualitative Analysis of Rancidity in Fats and Oils

SSRN Electronic Journal, 2022
Ali Raza, Tauqeer Ahmad, Zahid Mehmood, Muhammad Asim Irshad, Maazullah Khan   +4 more
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Use of Rapid Assessment Procedures when analyzing qualitative data in pharmacy research

Research in Social and Administrative Pharmacy, 2022
Kenneth Hohmeier, Chelsea Renfro, Justin Gatwood   +2 more
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