Determination of silica coating efficiency on metal particles using multiple digestion methods

Talanta ◽  
2011 ◽  
Vol 85 (5) ◽  
pp. 2655-2661 ◽  
Author(s):  
Jun Wang ◽  
Nathan Topham ◽  
Chang-Yu Wu
1999 ◽  
Vol 47 (12) ◽  
pp. 5072-5077 ◽  
Author(s):  
I. Lavilla ◽  
A. V. Filgueiras ◽  
C. Bendicho

Author(s):  
M. E. Waitlevertch ◽  
K. W. Guardipee ◽  
J. E. Paterson ◽  
A. L. Wolfe

1983 ◽  
Vol 15 (11) ◽  
pp. 193-205 ◽  
Author(s):  
Merete Reuss

Literature on the different leaching methods for estimating the heavy metal content in coal fly ash was studied and is herein summarized. Attention is given to some of the practical problems which must be addressed in planning a leaching test. Strong acid digestion and several methods for the determination of total metal concentration are discussed. Results of leaching experiments with 6 different fly ashes are reported. Ag, As, Cd, Cr, Cu, Hg, Mo, Ni, Pb, Se, V, Zn, Na, K, Ca, and Mg were determined. These same metals were determined by atomic absorption spectrophotometry after both nitric acid and hydrofluoric acid digestion. The two digestion methods are compared.


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