Zobrazeno 1 - 1
of 1
pro vyhledávání: '"M. L. Degtew"'
Publikováno v:
Analytical Letters. 5:265-272
A new method for concentrating of microgram amounts of elements before their spectral determination is described. The method is based on the diantipyrilethanes property to divide the organic solvent into two phases, i. e., during the extraction of el