The main constraints of the dry ashing procedure include low micro-minerals recovery and the possibility of volatilization losses due to high temperature ashing (Pomeranz and Meloan, 1978; Jones Jr.
Comparison of microwave digestion with conventional wet ashing and dry ashing digestion for analysis of lead, cadmium, chromium, copper, and zinc in shellfish by flame atomic absorption spectroscopy.
The principal sample preparation methods used for V determination in petroleum and petroleum products by spectroanalytical techniques, besides direct analysis, are dilution with organic solvents, dilution in three-component systems (emulsion or micro-emulsion), dry ashing and wet acid digestion.
Dry ashing is used for the almost complete elimination of organic materials prior to analyte determination.
The sample preparation method used in this study for determination of V in asphaltite by spectroanalytical technique includes dry ashing and wet acid microwave digestion.
The sample preparation method developed in this study for V determination in asphaltites by spectroanalytical technique includes dry ashing and wet acid microwave digestion.