Occurrence, exposure and health risk assessment of heavy metals in green tea samples cultivated in Hangzhou area

Chemicals and equipment

The standard stock solution of mixed Al, As, B, Ba, Be, Bi, Cd, Co, Cr, Cu, Fe, Ga, Li, Mg, Mn, Ni, Pb, Sb, Sn, Sr, Ti, Tl, V, and Zn metals (100 µg/mL) was purchased from Bruker and the National Center of Analysis and…