Experimental exposure of plankton suspensions to polychromatic ultraviolet radiation for determination of spectral weighting functions

2002 ◽  
Author(s):  
Patrick J. Neale ◽  
Jennifer J. Fritz
Keyword(s):  
Ultraviolet Radiation ◽  
Experimental Exposure ◽  
Weighting Functions ◽  
Spectral Weighting

Determination of Malathion in Formulations

1964 ◽  
Vol 47 (2) ◽  
pp. 248-252
Author(s):  
E J Orloski
Keyword(s):  
Ultraviolet Radiation ◽  
Temperature Change ◽  
Copper Complex ◽  
Collaborative Study ◽  
Colorimetric Method ◽  
Standard Curve ◽  
Extraction Solvent

Abstract A second collaborative study was made of the Norris colorimetric method for malathion as modified by Upham to use acetonitrile as extraction solvent and by Ware to use a procedural standard instead of a standard curve. The following variables were evaluated: temperature change, levels of malathion, volume of alkali, shaking time, volume of ferric reagent, oxidizing time, deterioration of copper complex, interference of lubricant, effect of ultraviolet radiation, interference of other pesticides. The method was rewritten to take account of these variables. On the basis of collaborative results, the method is recommended for adoption as official, first action.

Quantifying the response of phytoplankton photosynthesis to ultraviolet radiation: Biological weighting functions versus in situ measurements in two Swiss lakes

2001 ◽  
Vol 63 (3) ◽  
pp. 265-285 ◽  
Author(s):  
Patrick J. Neale ◽  
Elena Litchman ◽  
Cristina Sobrino ◽  
Cristiana Callieri ◽  
Giuseppe Morabito ◽  
...  
Keyword(s):  
Ultraviolet Radiation ◽  
In Situ Measurements ◽  
Weighting Functions ◽  
Phytoplankton Photosynthesis

Calculation of spectral weighting functions for the solar photobleaching of chromophoric dissolved organic matter in temperate lakes

2001 ◽  
Vol 46 (6) ◽  
pp. 1455-1467 ◽  
Author(s):  
Christopher L. Osburn ◽  
Horacio E. Zagarese ◽  
Donald P. Morris ◽  
Bruce R. Hargreaves ◽  
Walter E. Cravero
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Chromophoric Dissolved Organic Matter ◽  
Temperate Lakes ◽  
Weighting Functions ◽  
Spectral Weighting

Determination of Ionization Energies of Small Silicon Clusters with Vacuum Ultraviolet Radiation†

2010 ◽  
Vol 114 (9) ◽  
pp. 3176-3181 ◽  
Author(s):  
Oleg Kostko ◽  
Stephen R. Leone ◽  
Michael A. Duncan ◽  
Musahid Ahmed
Keyword(s):  
Ultraviolet Radiation ◽  
Vacuum Ultraviolet ◽  
Silicon Clusters ◽  
Ionization Energies ◽  
Vacuum Ultraviolet Radiation
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