Uzbekistan Exports of sulfates, alums, peroxosulfates (persulfates) to Tajikistan was US$2.93 Million during 2022, according to the United Nations COMTRADE database on international trade. Uzbekistan Exports of sulfates, alums, peroxosulfates (persulfates) to Tajikistan - data, historical chart and statistics - was last updated on May of 2024.