Absorption and emission spectroscopic investigation of the phyto-extraction of europium(III) nitrate from aqueous solutions by alfalfa biomass

2002 ◽  
Vol 71 (2-3) ◽  
pp. 175-183 ◽  
Author(s):  
J.G. Parsons ◽  
J.L. Gardea-Torresdey ◽  
K.J. Tiemann ◽  
J.H. Gonzalez ◽  
J.R. Peralta-Videa ◽  
...  
Keyword(s):  
Aqueous Solutions ◽  
Spectroscopic Investigation ◽  
Absorption And Emission

Some Results of the Spectroscopic Study of Four Close Binary Systems of Early Spectral Types

1965 ◽  
Vol 5 ◽  
pp. 120-130
Author(s):  
T. S. Galkina
Keyword(s):  
Spectroscopic Study ◽  
Spectral Type ◽  
Spectroscopic Investigation ◽  
Binary Systems ◽  
Quantitative Information ◽  
Close Binary ◽  
Physical Parameters ◽  
Absorption And Emission ◽  
Close Binary Systems ◽  
Quantitative Estimates

It is necessary to have quantitative estimates of the intensity of lines (both absorption and emission) to obtain the physical parameters of the atmosphere of components.Some years ago at the Crimean observatory we began the spectroscopic investigation of close binary systems of the early spectral type with components WR, Of, O, B to try and obtain more quantitative information from the study of the spectra of the components.

Some Results of the Spectroscopic Study of Four Close Binary Systems of Early Spectral Types

1971 ◽  
Vol 5 ◽  
pp. 120-130
Author(s):  
T. S. Galkina
Keyword(s):  
Spectroscopic Study ◽  
Spectral Type ◽  
Spectroscopic Investigation ◽  
Binary Systems ◽  
Quantitative Information ◽  
Close Binary ◽  
Physical Parameters ◽  
Absorption And Emission ◽  
Close Binary Systems ◽  
Quantitative Estimates

It is necessary to have quantitative estimates of the intensity of lines (both absorption and emission) to obtain the physical parameters of the atmosphere of components.Some years ago at the Crimean observatory we began the spectroscopic investigation of close binary systems of the early spectral type with components WR, Of, O, B to try and obtain more quantitative information from the study of the spectra of the components.

scholarly journals A Raman spectroscopic investigation of speciation in La2(SO4)3(aq)

RSC Advances ◽  
2015 ◽  
Vol 5 (103) ◽  
pp. 84999-85008 ◽  
Author(s):  
Wolfram W. Rudolph ◽  
Gert Irmer
Keyword(s):  
Aqueous Solutions ◽  
Heavy Water ◽  
Spectroscopic Investigation ◽  
Frequency Region ◽  
Terahertz Frequency ◽  
Raman Spectroscopic ◽  
Low Concentrations

Raman spectroscopic speciation studies were conducted of aqueous solutions of La(ClO4)3, La2(SO4)3, and Na2SO4 in water and heavy water, in the terahertz frequency region (40–1400 cm−1) and down to low concentrations (0.000263 mol L−1).

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