Zobrazeno 1 - 10
of 114
pro vyhledávání: '"G. F. Kirkbright"'
Autor:
T. S. West, G F Kirkbright
Publikováno v:
Applied optics. 7(7)
Premixed hydrocarbon-air flames invariably show two separate reaction zones. In the primary zone, the combustible gas mixture burns principally to carbon monoxide, hydrogen, and water, and in the outer mantle, or secondary diffusion flame, the hot ga
Autor:
Venkatesh Iyengar, Ade Omololu, A. R. Byrne, G. F. Kirkbright, Gerhard Schöch, Henri-Louis Vis, Yngve Hofvander, Lauri Niinistö, R. M. Parr, Edouard E.M. DeMaeyer, Oscar Pineda
Publikováno v:
Biological Trace Element Research. 29:51-75
Concentrations of As, Ca, Cd, Cl, Co, Cr, Cu, F, Fe, Hg, I, K, Mg, Mn, Mo, Na, Ni, P, Pb, Sb, Se, Sn, V, and Zn were determined in human whole milk samples from Guatemala, Hungary, Nigeria, Phillippines, Sweden, and Zaire; in most of these countries,
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 39:1141-1147
A simple technique for the determination of trace concentrations of arsenic is described; a miniature hydride generation device is employed for sample introduction of the gaseous hydride directly to a microwave induced helium plasma operating at atmo
Publikováno v:
Applied Spectroscopy. 32:201-204
A study has been made of the determination of sulfide by generation of hydrogen sulfide from acidified sample solutions followed by measurement of the chemiluminescence of the S2 species produced on introduction of the H2S into an argon-hydrogen flam
Publikováno v:
Analytical Chemistry. 50:1371-1374
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 41:741-749
Thermal wave imaging is a non-destructive testing technique which uses optically induced transient heat fluxes to probe the optical and physical properties of solid samples. This paper describes the application of the technique to the characterisatio
Autor:
T. H. Ryan, A. W. Hartley, F. C. Shenton, P. L. Bailey, C. D. Usher, A. L. Lakin, G. K. Buckee, G. F. Kirkbright, T. C. A. McGann, R. A. Lowe
Publikováno v:
Journal of the Science of Food and Agriculture. 26:549-558
Autor:
G. F. Kirkbright, D. G. Bevan
Publikováno v:
Applied Spectroscopy. 30:162-167
The profile and integrated intensity of the calcium 422.67 nm resonance line from a commercially available demountable hollow cathode lamp have been examined using several filler gases at pressures between 1 and 7 Torr and operating currents in the r
Publikováno v:
Applied Spectroscopy. 37:250-254
A microprocessor-controlled graphite rod direct sample insertion device for use with an inductively coupled plasma is described and the accompanying software design is illustrated. The energy of the rf field and the plasma itself is used to carry out
Autor:
C.G. De Lima, G. F. Kirkbright
Publikováno v:
Chemical Physics Letters. 37:165-171
The fluorescence and phosphorescence emission spectra of 31 polynuclear aromatic hydrocarbons and a number of heterocyclic compounds have been studied in tetrahydrofuran and in n -paraffin solvents at 77 K. A comparison of the characteristics of the