Laeborari ea Naha ea Fora e behile libuka tse 'ne ho tloha lekholong la bo19 la lilemo "ka tlas'a quarantine", ho tlaleha AFP.
Lebaka ke hore likoahelo tsa tsona li na le arsenic.
Ho sibolloa ho entsoe hoo e ka bang lilemo tse hlano tse fetileng. Bo-rasaense ba univesithi ba sibolotse motsoako oa lik'hemik'hale ka har'a likoahelo.
Lenaneo la lipatlisiso la Jeremane-Amerika Poison Book Project le sebetsana le lingoliloeng tse joalo. Boholo ba libuka tse nang le arsenic tse sibolotsoeng ho tla fihlela joale li fumaneha United States.
Laeborari ea Sechaba ea Fora e bapisitse libuka tse khethiloeng linaheng tse ling le lethathamo la tsona ho ea ka lihlooho. Ka mor'a tlhahlobo, ho ile ha fumaneha hore ke meqolo e mene feela ea 28 e neng e khethiloe qalong e na le palo e lekaneng ea ntho e chefo.
Likhatiso li behiloe ka thoko 'me li tla etsoa tlhahlobo e felletseng ea laboratori ho fumana palo ea arsenic ho e' ngoe le e 'ngoe, setsi sa setso se boletse polelong.
Libuka tse ’nè tseo likoahelo tsa tsona li nang le arsenic li ile tsa hatisoa Great Britain. Tsena ke li-volume tse peli tsa li-ballad tsa Ireland tse bokelletsoeng ke Edward Hayes ka 1855, anthology ea lipuo tse peli ea thothokiso ea Seromania e hatisitsoeng ka 1856, hammoho le libuka tsa saense tse bokelitsoeng tsa British Royal Society of Horticulture ho tloha 1862-1863. Arsenic e fumaneha ka botala ba Schweinfurt, bo neng bo sebelisetsoa ho koahela nakong ea 1790-1880. 'Mala o ne o sebelisoa linaheng tse buang Senyesemane le Jeremane, hangata Fora.
Ka khopolo, ho na le monyetla oa hore babali ba libuka ba kula kapa ba hlatse. Laeborari ea Sechaba e phatlalalitse ho AFP hore kotsi e nyane. Lilemong tsa morao tjena, ha ho chefo e nang le likoahelo tse joalo e fumanoeng kae kapa kae lefatšeng.
Lilaebrari tsa Jeremane li ile tsa qala ho phenyekolla thepa ea tsona ka Hlakubele bakeng sa ho sibolloa ha likoahelo tse chefo. Ho entsoe litlhahlobo tse ngata. Ha ho liphetho tse seng li phatlalalitsoe, AFP e re.
Senepe sa Suzy Hazelwood: https://www.pexels.com/photo/four-pile-of-books-on-top-of-brown-wooden-surface-1290828/
