[Measuring the lead, arsenic, copper, zinc, selenium, sodium, potassium, nickel, and magnesium ions in black tea]

ABSTRACT

Background: high intake of some elements results in toxicity for human. Investigations has been shown that in some species of tea [Camellia sinensis L] the level of certain elements are higher than standard. This study aimed to measure the amount of K, Cu, Pb, Ni, Na, Mg, Zn, Ar, and Se ions in black tea