Lokhu ukuhlukaniswa kwengilazi yeziqukathi, okuye kwamukelwa yi-pharmacopeia ehlukene ukuze kunqunywe ukusetshenziswa okufanele kakhulu kwengilazi ngokusekelwe kokuqukethwe kweziqukathi. Kunezinhlobo zengilazi I, II, kanye no-III.
Uhlobo I - Borosilicate Glass
Ingilazi ye-borosilicate ye-Type I inokumelana nokushaqeka okungcono kakhulu okushisayo kanye nokumelana namakhemikhali okuhle kakhulu. Lolu hlobo lwengilazi luyisitsha sengilazi esisebenza kancane esitholakalayo. Lolu hlobo lwengilazi lunikeza ukuqina okuphakeme, nokumelana namakhemikhali nokushisa. Ivame ukusetshenziswa emishini yaselabhorethri yamakhemikhali.
Ingilazi ye-Borosilicate iqukethe inani elikhulu le-boron oxide, i-alumina, i-alkali, kanye/noma i-alkaline yomhlaba oxides.Isitsha seglasi se-Borosilicateimelana kakhulu ne-hydrolysis ngenxa yokwakheka kwayo kwamakhemikhali.
Ingilazi yohlobo I ingasetshenziselwa ukupakisha imikhiqizo ene-acidic, engathathi hlangothi, kanye ne-alkaline. Amanzi omjovo, imikhiqizo engahluziwe, amakhemikhali, imikhiqizo ebucayi, kanye nemikhiqizo edinga ukubulawa amagciwane ngokuvamile apakishwa ngohlobo lwengilazi ye-borosilicate. Ingilazi yohlobo I ingase iguguleke ngamakhemikhali ngaphansi kwezimo ezithile; ngakho-ke, iziqukathi kufanele zikhethwe ngokucophelela kukho kokubili izicelo eziphansi kakhulu neziphezulu kakhulu ze-pH.
Uhlobo III - Ingilazi yeSoda-Lime
Ingilazi yohlobo lwe-III ingilazi ye-silicon equkethe i-alkali metal oxides. Ingilazi ye-soda-lime ibonisa ukumelana kwamakhemikhali okusesilinganisweni kanye nokumelana okuphakathi kwe-hydrolysis (amanzi). Le ngilazi ayibizi futhi izinzile kumakhemikhali, okwenza ilungele ukugaywa kabusha ngoba ingilazi ingashintshwa futhi yenziwe kabusha izikhathi ezimbalwa.
Lolu hlobo lwengilazi lwaziwa ngentengo yalo ephansi, ukuzinza kwamakhemikhali, ukufakwa kahle kukagesi, nokucubungula kalula. Ngokungafani nezinye izinhlobo zengilazi, ingilazi ye-soda ye-lime ingathambisa kaningi ngokudingekayo. Kanjalo, isetshenziswa kabanzi emikhiqizweni eminingi yengilazi yokuhweba njengamalambu okukhanya, amafasitelana, amabhodlela, nemisebenzi yobuciko. Nokho, phawula ukuthi ingilazi ye-sodium-calcium isengozini yokuguquka kungazelelwe ezingeni lokushisa futhi ingase iphuke.
Uhlobo IIIukupakisha ingilaziisetshenziswa kakhulu eziphuzweni nasekudleni.
Ingilazi yohlobo lwe-III ayifanele imikhiqizo ye-autoclaving ngoba inqubo ye-autoclaving ingasheshisa ukusabela kokugqwala kwengilazi. Inqubo yokuvala inzalo yokushisa okomile ngokuvamile ayiyona inkinga ezitsheni zohlobo lwe-III.
Uhlobo II -UlashiweI-Soda-Lime Glass
Ingilazi yohlobo lwe-II ingilazi yohlobo lwe-III eye yalashwa ngaphezulu ukuze kwandiswe ukuzinza kwayo kwe-hydrolytic ukusuka kokumaphakathi kuya ezingeni eliphezulu. Uhlobo lwesitsha lufanelekile ukulungiselela i-asidi nokungathathi hlangothi.
Umehluko phakathi kweziqukathi zengilazi zohlobo lwe-II kanye nohlobo lwe-I ukuthi ingilazi yohlobo II inephuzu elincibilikayo eliphansi. Benza umsebenzi omuhle wokuvikela okuqukethwe esimweni sezulu. Ingilazi yohlobo lwe-II, nokho, ilula ukwakha kodwa ayikwazi ukumelana namazinga okushisa aphezulu.
Umehluko phakathi kohlobo II nohlobo IIIizitsha zengilaziukuthi ingaphakathi leziqukathi zohlobo lwe-II liphathwa ngesibabule.
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Silandele Ukuze uthole Ulwazi Olwengeziwe
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Isikhathi sokuthumela: Oct-28-2022