Is the paper tea bags chemically contaminated?
By: Nur, Suhayr Fuad; Uthman, Khalid Ahmad; Abd al-Fattah, Najla…[et al.]. . Alexandria Science Exchange Journal. Vol. 43, Special issue conference (Mar. 2022), pp.1-8, 8 p.
Subjects: Black tea; Compact disks; Drinking water; Heavy minerals; Persons