Trinidad And Tobago Exports of sulfates, alums, peroxosulfates (persulfates) to Guyana was US$32.47 Thousand during 2022, according to the United Nations COMTRADE database on international trade. Trinidad And Tobago Exports of sulfates, alums, peroxosulfates (persulfates) to Guyana - data, historical chart and statistics - was last updated on May of 2024.