Ezimweni zokusetshenziswa kwansuku zonke, abantu cishe abajwayelene negama elithi “ama-fluorescent brighters”. Kusukela ezingutsheni ezimhlophe njengeqhwa kuya emikhiqizweni yephepha ekhanyayo nehlanzekile, ama-fluorescent brighters abelokhu esebenza ngokuthula ngomlingo wawo. Muva nje, lo mkhiqizo wamakhemikhali uphinde waba yinto ebalulekile embonini.
Uma ingena endaweni yokunyathelisa nokufaka umbala ezindwangu, imiqulu yezindwangu ezinombala ongavuthiwe iba nokukhanya okumhlophe okukhazimulayo ngemva kokubhekana nezinqubo ezithile. Imfihlo ilele kuma-lighter akhanyayo afakwe kahle. Njengesengezo esisebenzayo, ingamunca ukukhanya okungabonakali kwe-ultraviolet bese ikuguqula kube ukukhanya okuluhlaza okwesibhakabhaka okubonakalayo, okube sekuhlangana nokukhanya okuphuzi kwasekuqaleni kwendwangu, okudala umphumela obonakalayo wokwenza mhlophe nokukhanyisa. Eminyakeni yamuva nje, njengoba imboni yezindwangu iqhubekela phambili ekukhiqizeni okuphezulu nokucwengisisiwe, ukulawulwa kwekhwalithi kwama-lighter akhanyayo kube nzima nakakhulu. Ama-lighter akhanyayo anobungani nemvelo aseqalile ukuvela. Lezo zinhlobo ezingase zibe nezingozi zemvelo esikhathini esidlule ziyancishiswa kancane kancane, zithathelwe indawo yimikhiqizo emisha ebolayo futhi ebangela ukungcola okuncane kwamanzi.
Insimu yokwenza iphepha nayo “iyindawo enkulu yokulwa” yama-fluorescent brighter. Ukuze kuhlangatshezwane nezidingo zomphakathi eziphezulu zobumhlophe nokuthungwa kwemikhiqizo yephepha, izinkampani ezinkulu zephepha zihlala zithuthukisa izinhlelo zokusetshenziswa kwama-fluorescent brighter. Ochwepheshe baveze ukuthi isilinganiso esifanele sama-fluorescent brighter asigcini nje ngokuthuthukisa ukubukeka kwephepha kodwa futhi sithuthukisa ukuphrinta kwephepha ngezinga elithile, okwenza uyinki unamathele ngokulinganayo nemibala ikhanye kakhudlwana.
Kodwa-ke, ukuthuthukiswa kwezibani ezikhanyisa ukukhanya akubanga bushelelezi ngokuphelele. Emikhiqizweni yamakhemikhali yansuku zonke, ikakhulukazi leyo esondelene nesikhumba, njengezihlanzi zobuso nama-cream, ukuphepha kwazo sekuyisikhathi eside kungqubuzana. Ngenxa yalesi sizathu, iziphathimandla ezilawulayo bezilokhu ziqinisa imizamo, ziqinisa ubukhali bokuhlolwa okungahleliwe, futhi zilawula ngokuqinile ukulebula kwemikhiqizo yamakhemikhali yansuku zonke equkethe izibani ezikhanyisa ukukhanya. Amaqembu ocwaningo lwesayensi nawo ahlola ngokujulile idatha, esebenzisa izifundo ezinemininingwane yobuthi kanye nokuhlolwa kokucasuka kwesikhumba ukuze kuqinisekiswe izibani ezikhanyisa ukukhanya ezihambisanayo, kucaciswe imingcele phakathi kwemithamo ephephile namazinga ayingozi, ukuze kubekwe izingqondo zabathengi ekhululekile.
Uma sibheka emhlabeni jikelele, iShayina isivele ingumkhiqizi omkhulu kanye nomthengisi wezinto zokukhanyisa ezikhanyayo. Amabhizinisi ahamba phambili asekhaya abelokhu ekhulisa ukutshalwa kwezimali kwawo ocwaningweni nasekuthuthukisweni, kusukela ekukhetheni izinto zokusetshenziswa zamakhemikhali eziyisisekelo kuya ekuthuthukisweni kwezinqubo ezintsha zokwenziwa, ephula njalo ubuchwepheshe bangaphandle, enciphisa izindleko zokukhiqiza, futhi ethuthukisa ukuncintisana komkhiqizo. Ngokusho kwedatha yentela, kwikota edlule, ukuthunyelwa kwamanye amazwe kwezinto zokukhanyisa ezikhanyayo ezikhanyayo eShayina kukhuphuke ngaphezu kuka-15% unyaka nonyaka, futhi imikhiqizo yathengiswa ezifundeni eziningi ezifana neYurophu, i-United States, kanye neNingizimu-mpumalanga ye-Asia. Ngenkathi ithola indawo eqinile emakethe yamazwe ngamazwe, iphinde yaqhuba intuthuko ehlelekile yezintambo zezimboni ezikhuphukayo neziphansi, ifaka amandla amasha embonini yamakhemikhali.
Kungabikezelwa ukuthi ngokuphindaphinda kobuchwepheshe kanye nokuthuthukiswa kokusetshenziswa, ama-lighter akhanyayo azovula amathuba amaningi okusebenzisa ngaphansi kwesisekelo sokunamathela ngokuqinile ezisekelweni zekhwalithi nokuphepha, akhanyise zonke izici zokuphila kwethu njalo futhi abhale isahluko esisha embonini.
Isikhathi sokuthunyelwe: Disemba-26-2024
