Recently,acidification was established as a rapid and simple pre-treatment for infusions such as ground roast coffees, prior to the determination of Ca, Cu, Fe, Mg, Mn and Zn by FAAS
Recently,acidification was established as a rapid and simple pre-treatment for infusions such as ground roast coffees, priorto the determination of Ca, Cu, Fe, Mg, Mn and Zn by FAAS