Ukuvavanywa komlilo yinkqubo esemgangathweni yoshishino lokufumana idatha yohlalutyo lwegolide kunye neqela leplatinam (PGE) ukusuka kwi-ores yomgangatho ophezulu. Yinkqubo ephuculweyo kodwa ngeyona ndlela ilula, ibisetyenziswa kangangeenkulungwane. Uvavanyo lomlilo lusetyenziswa ekumiselweni kwegolide kuzo zonke iindidi zesampulu, kubandakanywa undoqo wokuqhuba, umhlaba kunye neesampulu zetshiphu.
INKQUBO
I-FUSION
Isampulu ehlatyiweyo ilinganiswe kwaye ixutywe ne-agent eguquguqukayo. I-flux inceda ekunyibilikeni, inceda ukudibanisa isampuli kwiqondo lokushisa elifanelekileyo kwaye ikhuthaze ukuhlukana kwezinto ze-ganggue kwiintsimbi ezixabisekileyo. Ukongeza kwi-flux, i-lead okanye i-nickel yongezwa njengomqokeleli. Isampuli ke ishushu kwiziko apho idibanisa kwaye ihlukanise 'iqhosha' lezinto zomqokeleli, eliqulethe iiminerali ezixabisekileyo.
UKUKHIWA KWEMETALI OKUXABISEKILEYO
Emva kokuba iqhosha lihlulwe kwi-ganggue, iintsimbi ezixabisekileyo zikhutshwa kumqokeleli ngenkqubo ebizwa ngokuba yi-cupellation. Emva kokuba iqhosha lipholile, lihlulwe kwi-slag kunye
Cupeled.
• Xa ilothe isetyenziswa njengomqokeleli, ilothe i-oxidize kwaye ifunxelwe kwikomityi ishiya iliso lentsimbi elixabisekileyo. I-bead iye inyibilikiswe kwi-aqua regia ukuze ihlaziywe.
• Xa i-nickel isetyenziswa njengomqokeleli, iqhosha liyatyunyuzwa kwaye linyibilike kwi-hydrochloric acid kwaye intsalela iyahluzwa ukuze kususwe imathiriyeli engaphandle, ishiya intsalela yentsimbi exabisekileyo kwisihluzo.
UKUHLALUTYWA NOKUFUMANA
Igolide kunye ne-PGE inokuhlalutywa ngabaninzi
iindlela:
UKUFUSHA KWEATOMIKI YEDALA (AA)
• Isampulu inyibilikiswa kwi-aqua regia kwaye emva koko ifakwe kwidangatye le-acetylene. Umtha wokukhanya olingana nobude begolide udlula edangatyeni. Igolide kwisampulu ifunxa ukukhanya ngokulinganayo ngokuxhomekeke kugxininiso lwento kwisisombululo. Ukufunxa kuthelekiswa nezisombululo ezisemgangathweni ukumisela ugxininiso lwegolide kwisampulu.
NGENXA YE-PLASMA-ATOMIC
I-EMISSION SPECTROMETRY (ICP-AES)
• Isampulu enamanzi irhawulwa kwiplasma kwaye igolide equlethwe kwisampulu ikhupha ukukhanya kwiimpawu zamaza. Ukuqina kokukhanya okukhutshiweyo kulinganiswa kwaye kuthelekiswe ngesoftware kwezo zisombululo eziqhelekileyo ezinegolide. Isoftware ke
ibala ugxininiso lwegolide kwisampulu.
NGENXA YE-PLASMA-MASS
I-SPECTROMETRY (ICP-MS)
• Igolide equlethwe kwisampulu enamanzi i-ionized. Ubunzulu bomqondiso kubunzima be-186 bulinganiswa, kunye nemiqondiso yazo naziphi na ii-isotopi ezinokuthi ziphazamise. Ubunzulu be-186µ bulinganiswa kwaye buthelekiswe ngesoftware kwezo zegolide eziqhelekileyo- ukuthwala izisombululo zokumisela ukuxinana kwegolide kwisampulu.
UKUSEBENZA KWEZIXHOBO NEUTRON
UHLALUTYO (INAA)
• Intsalela itsalwa kwiphepha lokuhluza kwaye ikhanyiswe kumbindi wereactor yenyukliya. Izinto ezininzi ziba yiradioactive kwaye zikhupha i-gamma- imitha yemitha yobude obukhethekileyo.
Ubude begolide bulinganiswa kwaye buthelekiswa nemigangatho yegolide ukumisela
ugxininiso lwegolide kwisampulu.
IMETALI EZIKHIWEYO
Igolide nge-metallics fire assay ibandakanya ukuhlolwa kwe-500g yesampuli ukuya kwi-106 microns. I-plus fraction yi-fire tested for gold kwaye uphinda-phindo lwe-assay lwenziwa kwi-minus fraction. Ubungakanani bobunzima beqhezu, umxholo wegolide orhabaxa kunye neqhekezana elicolekileyo kunye nomxholo wegolide uwonke.
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