Ezweni lamakhemikhali elihlala lishintsha, ukuphishekela ezinye izindlela ezihambisana nemvelo sekubaluleke kakhulu.Njengoba ukuqwashisa kwethu ngokushintsha kwesimo sezulu kanye nomthelela wemvelo kuqhubeka kukhula, ososayensi baphendule ukunaka kwabo ekutholeni izixazululo ezisimeme.Phakathi kwazo,sodium borohydrideisibe nguzakwethu onamandla ekufuneni ikusasa eliluhlaza, elisimeme.
Iyini i-sodium borohydride?
I-sodium borohydride, eyaziwa nangokuthi i-NaBH4, iyinhlanganisela esetshenziswa kakhulu.Isetshenziswa kakhulu njenge-ejenti yokunciphisa futhi ibalulekile ekuphenduleni kwamakhemikhali okuhlukahlukene.Njenge-ejenti yokunciphisa ephumelelayo, ekhethiwe, izakhiwo zayo eziyingqayizivele ziyenza ibe yingxenye ebalulekile yezinqubo eziningi zezimboni.
I-green Chemistry:
Ikhemikhali eluhlaza ihlose ukuklama imikhiqizo yamakhemikhali nezinqubo zokunciphisa umthelela wazo endaweni ngaphandle kokubeka engcupheni ukusebenza kwayo kahle.I-sodium borohydride ihambisana ngokugcwele nalezi zimiso.Ngokwesiko, ama-organic compounds aye asetshenziswa njengama-ejenti okunciphisa, okuvame ukuholela ekukhiqizweni kwemikhiqizo enobuthi.Ukwethulwa kwe-sodium borohydride njengendlela ephephile, ehambisana nemvelo kuyisihluthulelo sokuvula ukusabela kwamakhemikhali okuluhlaza, okuzinzile.
Izixazululo ezisimeme:
Enye yezinzuzo ezibalulekile ze-sodium borohydride amandla ayo okukhiqiza igesi ye-hydrogen lapho ithintana namanzi noma eminye imithombo ye-proton.Uphethiloli we-hydrogen unamathuba amahle njengomthombo wamandla ovuselelekayo nohlanzekile.Indima ye-sodium borohydride ekukhiqizweni kwe-hydrogen inamandla okuguqula imboni yamandla, inciphise ukuncika kwethu emafutheni ezinto ezimbiwa phansi kanye nokunciphisa ukukhishwa kwesisi esibamba ukushisa.
isicelo:
Ngaphezu kokukhiqizwa kwe-hydrogen, i-sodium borohydride nayo isetshenziswa kabanzi ezimbonini ezahlukahlukene.Iqhaza layo kumakhemikhali emithi ivumela ukuhlanganiswa kwezidakamizwa ezisindisa ukuphila, okwandisa ukufinyeleleka kuyilapho kunciphisa ukulimala endaweni ezungezile.Ibuye isetshenziswe ezinqubweni zokuhlanza amanzi angcolile ukuze kususwe ngempumelelo izinsimbi ezisindayo eziyingozi kanye nokungcola.
I-sodium borohydride iyisisusa esijabulisayo soshintsho emhlabeni wamakhemikhali.Ngamandla ayo akhethekile okunciphisa ukungcola kanye nomthelela omncane kwezemvelo, inesithembiso esihle sekusasa elisimeme.Ukwamukelwa kwalesi sithako kuvula indlela yezinqubo zezimboni eziluhlaza, ukukhiqizwa kwamandla ahlanzekile kanye nokukhiqizwa kwemithi ephephile.Njengoba siqhubeka nokuhlola amandla e-sodium borohydride, sisondela emhlabeni lapho amakhemikhali nokusimama kuhambisana khona, kudala iplanethi engcono, enempilo yezizukulwane ezizayo.
Isikhathi sokuthumela: Sep-19-2023