Kumiswa, Isayensi
Zinc nitrate
Abaningi bethu abazi chemistry uphelele, kodwa ekuphileni kwansuku zonke thina ngandlela-thile kufanele ubhekane imikhiqizo kanye izinto ezivezwa izindlela amakhemikhali. Kulesi sihloko sizogxila zinc nitrate, ngaphandle okuyinto kunzima ukucabanga ukuthi izinto ngeke khona ngokugcwele abanye imikhakha yezomnotho. zinc nitrate kuyinto zinhlayiya kungekho nto enemibala emihle, kwakwakhe umphumela hydroxide, i-nitrous noma ukhethe carbonate ne nitric acid. I kwaphumela crystalline hydrates, ngokungafani izinto kokuqala, kalula encibilikayo otshwaleni namanzi. Ngenxa yalaba izakhiwo kwenkululeko zinc nitrate zazingafani.
Abantu ukuyisebenzisa hhayi kuphela laboratories ngamakhemikhali, kodwa futhi ekuphileni kwansuku zonke, ngezinye izikhathi ngaphandle ngisho nokucabanga ngalokho asetshenziswe kuwo. zinc nitrate itholakala imikhiqizo eminingi ukuthi abantu ukusebenzisa ingadi. Ngaphezu kwalokho, lokhu izidakamizwa eyilungu yezingxenye ezinkulu amathuluzi amaningi asetshenziswa ngesikhathi imisebenzi ehlukahlukene. Zinc oxide kuyinto luyibhuqu lwezinyawo umbala esobala, ehlanganisa sebuningini zinhlayiya ezincane. Khumbula ukuthi izakhiwo zinc ne-zinc nitrate zihluke kakhulu, ngakho le ngxenye akuyona oncibilikayo emanzini futhi liba tinge ophuzi lapho sishiswa ngakho.
Hydroxides futhi kabi encibilikayo emanzini, bona zibukeke zifane oxide - powder kungekho nto enemibala emihle. Nokho, inzuzo enkulu ye hydroxide wukuthi kuba amorphous, lapho kuhlangene amanzi, liveza eziningi izakhiwo amphoteric. Zinc carbonate zingaxazululeki emanzini ngokuphelele futhi ubola lapho ukufuthelana ngenkuthalo. Phakathi compounds efakwe izinto nge nitric acid ukulungele crystalline hydrates. Ububanzi zinc nitrate zazingafani. Ngaphandle microchemistry lezi izinto kungatholakala ekuphileni kwansuku zonke. zinc nitrate isetshenziselwa ukwelapha zokuzivikela zensimbi steel, kusukela zinc ukuminyana futhi kwabantu steel lihlukile. Ngemva ukwelashwa ukushisa ezishelelayo steel, kuba Sinemandla futsi kancane ekuthonyweni imiphumela emibi imvelo.
It linendawo ekhethekile zinc emkhakheni zezindiza. Through ukucutshungulwa ezinjalo, encishisiwe ukugqwala metal futhi kwandisa ukuqina yayo. Ngaphezu kwalokho, izindawo eliyingqayizivele zinc nitrate esetshenziswa ingadi nayizimfundamakhwela. Kulokhu, izidakamizwa kuyingxenye ezihlukahlukene umquba enhlabathini. Futhi asetshenziswa cishe emhlabeni wonke, njengoba kungase kutholakale kahle, futhi izindleko zabo lingaphansi kakhulu uma ziqhathaniswa nozakwabo kusukela ezinye izinto. Ngakho-zinc nitrate akunamthelela womuntu nhlobo umphumela kuleli cala, le nkulumo ayinankinga. Izitshalo isuswa Umanyolo nitrogen, edingekayo ukuze ikhule. Nokho, ukusetshenziswa izinto equkethe zinc nitrate kufanele aphathe ngokucophelela ngezabelo. I ukulimala isitshalo zingasetshenziswa njengoba kuncipha umthamo zinc kanye izithelo zawo.
Esimweni sokuqala, lolo kuyoba engenamsebenzi, okusho ukuthi umphumela kulindeleke ngeke ufinyelelwe futhi wensimu noma umlimi uzohlupheka ezinye ukulahlekelwa. Esimeni sesibili, lapho nitrate zinc kakhulu, kuyoba nomphumela engathandeki ephinde esilimaza ukukhula kwezitshalo kanye kokuthola sokuvuna. Esinye isici esibangela isicelo zinc nitrate - iziqhumane ezithinta izici hhayi ikakhulukazi ezinkulu elimazayo. compounds ezinjalo zivame esetshenziswa ukwenza, isibonelo, umsebenzi wokwakha, uma udinga ngokushesha futhi kuqhathaniswa elishibhile ahlukanisa lokhu noma lokhuya into. Zinc nitrate ekusabeleni nezinye izinto futhi engase aqhume ngu ukuthungela futhi ngosizo laser. Isikhathi esining impela isetshenziswa nokuqhuba ucwaningo kwamakhemikhali.
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