I-oksijini (O2)

Amapharamitha obuchwepheshe

I-oxygeniyigesi engenambala futhi engenaphunga. Iwuhlobo oluvame kakhulu lwe-oxygen. Ngokuphathelene nobuchwepheshe, i-oxygen ikhishwa enkambisweni yokuncibilika komoya, kanti i-oxygen esemoyeni ilinganiselwa ku-21%.I-oxygeniyigesi engenambala futhi engenaphunga enefomula yamakhemikhali i-O2, okuyindlela ejwayelekile kakhulu ye-oxygen. Indawo yokuncibilika ingu-218.4°C, kanti indawo yokubila ingu-183°C. Ayincibiliki kalula emanzini. Cishe i-30mL ye-oxygen incibilika ku-1L yamanzi, kanti i-oxygen ewuketshezi iluhlaza okwesibhakabhaka. Izakhiwo zamakhemikhali ze-oxygen zisebenza kakhulu. Ngaphandle kwamagesi angavamile nezinto zensimbi ezinomsebenzi ophansi njengegolide, iplatinum, nesiliva, iningi lezinto lingasabela ne-oxygen. Lezi zindlela zokusabela zibizwa ngokuthi i-oxidation reactions. I-Redox reactions ibhekisela ekuphenduleni lapho ama-electron edluliselwa khona noma eshintshwa khona. I-oxygen inezakhiwo zokusekela ukushisa kanye ne-oxidation. I-oxygen yezokwelapha idlala indima ebalulekile ekwelashweni esibhedlela kanye nokunakekelwa kwezokwelapha, njengokuvuselela, ukuhlinzwa, kanye nokwelashwa okuhlukahlukene. I-oxygen ingasetshenziswa futhi njengegesi yokuphefumula yokuntywila ngemuva kokuhlanganiswa ne-nitrogen noma i-helium. I-oxygen yezentengiselwano ingatholakala ngokucwilisa nokucwilisa umoya endaweni ezungezile esitshalweni sokuhlukanisa umoya. . Ukusetshenziswa okuyinhloko kwezimboni kwe-oxygen ukushisa. Izinto eziningi ezivame ukungashi emoyeni zingasha emoyeni, ngakho-ke ukuxuba umoya-mpilo nomoya kuthuthukisa kakhulu ukusebenza kahle kokushisa embonini yensimbi, izinsimbi ezingenayo insimbi, ingilazi kanye nekhonkrithi. Ngemva kokuthi ixutshwe negesi kaphethiloli, isetshenziswa kabanzi ekusikeni, ekushiseni, ekubhakeni nasekuvutheleni ingilazi ukuze kunikezwe izinga lokushisa eliphakeme kunokushisa komoya, ngaleyo ndlela kuthuthukiswe ukusebenza kahle. Izinyathelo zokugcina: Gcina endaweni yokugcina epholile, enomoya. Gcina kude nomlilo kanye nemithombo yokushisa. Izinga lokushisa lokugcina akufanele lidlule ku-30°C. Kufanele ligcinwe ngokwehlukana nezinto ezivuthayo, impuphu yensimbi esebenzayo, njll., futhi ugweme ukugcina okuxubile. Indawo yokugcina kufanele ifakwe imishini yokwelapha ephuthumayo evuzayo.

Isicelo:

①Ukusetshenziswa Kwemboni:

Ukwenza insimbi, ukuncibilikisa insimbi engenansimbi. Ukusika izinto zensimbi.

②Ukusetshenziswa Kwezokwelapha:

Ekwelapheni izimo eziphuthumayo njengokuphefumula kanye nokuhlaselwa yinhliziyo, ekwelapheni iziguli ezinezinkinga zokuphefumula kanye ne-anesthesia ngosizo lokuqala.

③Ukwenziwa kwe-semiconductor:

Ukufakwa kwe-silicon dioxide ngamakhemikhali, ukukhula kwe-thermal oxide, ukugqwala kwe-plasma, ukukhipha i-photoresist kanye negesi yokuthwala igesi nge-plasma emisebenzini ethile yokufaka/yokusabalalisa.

Iphakheji evamile:

Inzuzo:

①Iminyaka engaphezu kweyishumi emakethe;

②Umkhiqizi wesitifiketi se-ISO;

③Ukulethwa okusheshayo;

④Umthombo wezinto zokusetshenziswa eziqinile;

⑤Uhlelo lokuhlaziya oluku-inthanethi lokulawula ikhwalithi kuzo zonke izinyathelo;

⑥Isidingo esiphezulu kanye nenqubo ecophelelayo yokuphatha isilinda ngaphambi kokugcwalisa;