Severalmethods have been used to evaluate tin concentration in canned food and beverages namely: spectrophotometric [4–9] and fluorimetric [10,11] most of them using surfactants to increase the sensitivity of the determinations.
Severalmethods have been used to evaluatetin concentration in canned food and beverages namely: spectrophotometric[4–9] and fluorimetric [10,11] most of them usingsurfactants to increase the sensitivity of the determinations.