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i-monobutyltin

Olunye uhlobo lwe-tin compound eyaziwa ngokuba yi-Monobutyltin, i-MBT isetyenziswa kakhulu kwimveliso eninzi yabathengi. Ngokukodwa kwimeko ye-MBT, isetyenziswe njenge-stabilizer (yeeplastiki zePVC) kunye ne-antimicrobial agent; Ngelixa unyango lwe-fungicide kunye ne-molluscicide lunokuba luqheliselo olusebenzayo kusetyenziso oluthile lwezolimo lwe-MBT ukusetyenziswa kwayo okwandisiweyo kubangele iinkxalabo zokusingqongileyo ngenxa yeziphumo ebezilindelekile kwimpilo yabantu.

Kwiimodeli zezilwanyana ukuvezwa kwe-MBT kuye kwadibaniswa neendawo zokugqibela ezifunyenwe kwinqanaba lokuphazamiseka kumsebenzi we-endocrine system, ukuphazamiseka kophuhliso kunye nokuzala kunye nemiphumo ye-immunotoxic. Lo monakalo unokuzenza waziwe ngamandla kubantu abohlukeneyo abachanabeke kwi-MBT ngezinto ezithile.

Impembelelo ye-MBT kwizinto eziphilayo zasemanzini

Ukongeza, indalo esingqongileyo ithwaxwa ziingozi ezimandundu zezinto eziphilayo zasemanzini ezibangelwa yi-MBT eqokelelweyo ngokukodwa i-ecosystem yaselwandle. Uphando luye lwafumanisa iziphumo ezibi ezinokuba nazo i-MBT kubomi bolwandle njengentlanzi, i-shellfish kunye nezilwanyana zaselwandle. Ezi zizinto ezibalulekileyo xa ucinga ukuba ukuvezwa kwe-MBT ngexesha lobomi bokuqala beentlobo ezichasene ne-antifouling-sensitive, njengama-invertebrates olwandle okanye intlanzi (umzekelo), ngokutya okungcolileyo kunye namanzi kunokubangela ukuzala, ukukhula kunye nokuphazamiseka kokuziphatha okuchaphazela impilo yonke.

Ngenxa yoko, uninzi lwezizwe kunye namashishini achaphazelekayo mhlawumbi alawule ngokungqongqo okanye akuthintele ngokupheleleyo ukungeniswa kweemveliso eziqulethe i-MBT. Ngokukodwa, kwi-European Union MBT iye yavinjelwa ekusebenziseni ezifana namathoyizi (MFHPDT 2009), izinto zokuthambisa kunye neempahla. Izithintelo ezongezelelweyo ziye zaphunyezwa ukunciphisa inani le-MBT elivumelekileyo ekutyeni kwethu, kunye namanzi okusela enzelwe ukukhusela abantu.

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