
Selelekela
Sodium cyanide (NaCN) ke motsoako oa bohlokoa o sa pheleng sebakeng se seholo sa lisebelisoa tse tala tsa lik'hemik'hale. Ka thepa ea eona e ikhethang ea lik'hemik'hale, e bapala karolo e ke keng ea nkeloa sebaka makaleng a mangata a indasteri. Sengoloa sena se hlahloba litšobotsi, lits'ebetso, tlhahiso le polokeho ea Sodium cyanide , e ikemiselitse ho fana ka kutloisiso e felletseng ea k'hemik'hale ena ea bohlokoa.
Lintho tse molemo tsa sodium cyanide
Matlo a 'mele
Sodium cyanide e hlaha e le lintho tse tiileng tse tšoeu tse kristale, li-cups, kapa phofo. E na le monko o bobebe o babang oa almonde. E qhibiliha haholo metsing, e nang le hoo e ka bang 0.4 kg ea Sodium Cyanide e tiileng e khonang ho qhibiliha ka har'a 1 kg ea metsi ka mocheso oa 30 °C. E boetse e na le ho qhibiliha ho itseng ka har'a ethanol. Motsoako ona o na le boima ba limolek'hule ba 49.007 g/mol, ntlha ea ho qhibiliha ea 564 °C, le ntlha ea ho belisa ea 1469 °C, ka khatello ea mouoane ea 0.1 kPa ho 800 °C.
Mefuta ea Lik'hemik'hale
Sodium cyanide ke motheo o matla - letsoai le fokolang la asiti. Tharollo ea eona ea metsi e ka kristaleha ho etsa sodium cyanide hydrates e nang le molek'hule e le 'ngoe kapa tse peli tsa metsi tse ka tlase ho 1.34 °C. Ha mocheso o feta 34.7 °C, e lahleheloa ke metsi a kristale mme e fetoha letsoai le sa naetrojene. E arabela habonolo le li-acid, esita le li-acid tse fokolang haholo. Litšepe tse kang tšepe, zinki, nickel, koporo, cobalt, silevera le cadmium li ka qhibiliha litharollong tsa sodium cyanide, e leng se fellang ka ho thehoa ha li-cyanide tse tsamaellanang . Ha oksijene e le teng, e ka qhala litšepe tsa bohlokoa tse kang khauta le silevera ho etsa letsoai le rarahaneng. Ha e lumellane le li-acid 'me e ka arabela le carbon dioxide. Moeeng o mongobo kapa metsing, e ka 'na ea bola. Ha e futhumatsoa ha oksijene e le teng, e hlahisa likhase tse chefo tse kang hydrogen cyanide, carbon monoxide, carbon dioxide le nitrogen oxides. E arabela ka matla le li-nitrate, nitrites le chlorate, e leng se bakang kotsi ea ho phatloha.
Lisebelisoa tsa sodium cyanide
Indasteri ea Meepo
Indastering ea merafo , haholo-holo ho ntšoeng ha litšepe tsa bohlokoa tse kang khauta le silevera, sodium cyanide ke ea bohlokoa ka ho fetisisa. Ts'ebetso ea cyanidation, e kenyeletsang ho sebelisa litharollo tsa sodium cyanide ho qhala khauta le silevera ho tsoa litšepeng, e amoheloa haholo ka lebaka la bonolo ba eona le litšenyehelo tse tlase. Bakeng sa k'hilograma e 'ngoe le e 'ngoe ea khauta e hlahisoang, ho ka hlokahala lithane tse ka bang 'ne ho isa ho tse hlano tsa sodium cyanide. Tlhoko ea sodium cyanide tšimong ena e amana haufi-ufi le ho feto-fetoha ha litheko tsa litšepe tsa bohlokoa 'marakeng oa lefats'e. Ha moruo oa lefats'e o ntse o hlaphoheloa 'me litheko tsa tšepe ea bohlokoa li ntse li phahama, mesebetsi e eketsehileng ea merafo e lebisa tlhokong e phahameng ea sodium cyanide.
K'hemik'hale ea Lik'hemik'hale
1.Pharmaceutical Manufacturing
Sodium cyanide e sebetsa e le thepa ea bohlokoa ka ho fetisisa ea ho kopanya meriana. E sebelisoa ho hlahisa lithethefatsi tse tloaelehileng le li-additives tsa lijo tse kang penicillin, vithamine B6. folic acid, guanine le caffeine. Indastering ea meriana, karolo ea eona ea ho theha metsoako e khethehileng ea lik'hemik'hale ka har'a limolek'hule tsa lithethefatsi ke ea bohlokoa haholo, e kenya letsoho haholo ntlafatsong le tlhahisong ea meriana e phekolang mafu a sa tšoaneng.
2.Tlhahiso ea Likokoana-hloko
Indastering ea chefo e bolaeang likokoanyana, sodium cyanide e sebelisoa ho etsa chefo e tloaelehileng e kang glyphosate, fenvalerate, paraquat, atrazine le isoprothiolane. Likokoana-hloko tsena li phetha karolo ea bohlokoa ho sireletseng lijalo ho tse senyang lijalo le lehola, ho tiisa hore ho na le lijo tse sireletsehileng. Litsela tsa maiketsetso tse kenyelletsang sodium cyanide li etsa hore ho thehoe metsoako e bolaeang likokoanyana e nang le metsoako e itseng ea lik'hemik'hale.
3.Synthesis of Other Chemical Compounds
Ke motheo oa motheo oa tlhahiso ea mefuta e mengata ea Cyanides tse sa pheleng le tse phelang . Ka ho sebelisa sodium cyanide ka kotloloho, li-cyanide tsa bohlokoa tse sa pheleng tse kang sodium ferrocyanide, potassium ferrocyanide, potassium cyanide, zinc cyanide, barium cyanide, cuprous cyanide, sodium thiocyanate, le potassium thiocyanate li ka hlahisoa. Sebakeng sa li-cyanide tsa organic, metsoako e kang cyanoacetic acid, malononitrile, methionine, benzyl cyanide, le cyanuric chloride ea etsoa. Ho phaella moo, ka tlhahiso ea hydrogen cyanide ho tsoa ho sodium cyanide, lihlahisoa tse kang methyl methacrylate, butyl methacrylate, methacrylic acid, azobisisobutyronitrile, azobisisoheptanenitrile, nitrilotriacetic acid, le glycolonitrile li ka etsoa hape. Metsoako ena e sebelisoa haholo tlhahisong ea thepa ea maiketsetso, ho kenyeletsoa polasetiki, rabara le likhoele.
Indasteri ea Electroplating
Ho electroplating, sodium cyanide ke karolo ea bohlokoa libate tsa electroplating bakeng sa tšepe tse kang koporo, silevera, cadmium le zinki. E ka fokotsa phello ea anodic polarization, e netefatsa ho qhibiliha ho tloaelehileng ha anode. Ka nako e ts'oanang, e ka ntlafatsa phello ea cathodic polarization, e thusa ho fumana seaparo sa tšepe se tšoanang holim'a setsi sa mosebetsi. Sena ha se ntlafatse feela ho hanyetsa ho bola ha likarolo tsa tšepe empa hape se ntlafatsa ponahalo ea tsona, ho etsa hore lihlahisoa tsa electroplated e be tse ntle le tse tšoarellang haholoanyane.
Tlhahiso ea Sodium Cyanide
Ho hlahisa sodium cyanide ke mokhoa o rarahaneng oa lik'hemik'hale. Mokhoa o mong o tloaelehileng ke ts'ebetso ea Andrussow, e kenyelletsang karabelo ea methane, ammonia, le oksijene holim'a platinum - rhodium catalyst mochesong o phahameng. Mokhoa o mong ke mokhoa oa Castner, o sebelisang karabelo ea sodium amide le k'habone seboping sa motlakase. Leha ho le joalo, ka lebaka la chefo e phahameng le likotsi tse ka bang teng tikolohong tsa sodium cyanide, tlhahiso ea eona e laoloa ka thata ke mafapha a amehang a mmuso lefatšeng ka bophara. Bahlahisi ba hloka ho fihlela litekanyetso tse tiileng tsa polokeho le ts'ireletso ea tikoloho ho netefatsa tlhahiso e bolokehileng le e tsitsitseng ea k'hemik'hale ena.
Tšireletseho le Tšebeliso ea Sodium Cyanide
Toxicity
Sodium cyanide e chefo haholo. Esita le tekanyo e nyenyane, e ka bang 100 - 200 mg, e ka bolaea haeba e ka kenngoa, e hema, kapa e kenngoa ka letlalo. Hang ha e kena 'meleng oa motho, e ntša li-ion tsa cyanide (CN-), tse nang le kamano e matla ea li-ion tsa tšepe liseleng. Sena se sitisa ts'ebetso e tloaelehileng ea oxidation liseleng, e lebisang ho felloa ke matla ha lisele le hypoxia ea lisele, e qetellang e baka lefu. Ho pepeseha ka matla ho ka baka matšoao a kang bofokoli, ho tsekela, hlooho e opang, ho nyekeloa ke pelo, ho ba le sefuba se thata, ho hema ka thata, ho otla ha pelo le ho lahleheloa ke kelello.
Litšireletso tsa tšireletso
1. Ho boloka
Sodium cyanide e lokela ho bolokoa sebakeng se pholileng, se omeletseng, se nang le moea o pholileng, hole le mehloli ea mocheso, mollo le li-acids. E lokela ho bolokoa ka lijaneng tse tiisitsoeng ka thata tse entsoeng ka thepa e nepahetseng ho thibela ho lutla le ho sebetsana le tikoloho. Mehaho ea polokelo e lokela ho hlomelloa ka mokhoa oa ho lutla - pokello le matšoao a tlhokomeliso ho thibela ho pepeseha ka phoso.
2.Lipalangoang
Nakong ea lipalangoang, sodium cyanide e tlameha ho latela melao e thata. Likoloi tse khethehileng tsa lipalangoang tse nang le likarolo tse nepahetseng tsa polokeho lia hlokahala. Tsamaiso ea lipalangoang e lokela ho behoa leihlo ka hloko ho thibela ho qhalana kapa likotsi tse ka bang teng. Meralo le lisebelisoa tsa ho arabela maemong a tšohanyetso li lokela ho ba teng haeba ho ka ba le maemo a sa lebelloang.
3.Ho sebetsana le Litlhophiso tsa Indasteri
Basebetsi ba sebetsanang le sodium cyanide limela tsa indasteri ba tlameha ho fumana koetliso e phethahetseng ea polokeho. Ba lokela ho apara lisebelisoa tse loketseng tsa ho itšireletsa, tse akarelletsang litšepe tse phefumolohang, liaparo tse sireletsang, liatlana le likhalase. Ts'ebetso ea limela e tlameha ho latela mekhoa e thata ea ts'ebetso ho fokotsa kotsi ea ho pepeseha. Haeba ho tšoloha kapa ho lutla, mehato ea hang-hang ea karabelo e lokela ho nkuoa, joalo ka ho sebelisa hydrogen peroxide ho fokotsa sodium cyanide.
Tšusumetso ea tikoloho
Ho lahla ho sa lokelang ha sodium cyanide kapa lihlahisoa tsa eona tsa litšila ho ka ba le litlamorao tse mpe tsa tikoloho. Cyanide - e nang le metsi a litšila le masalla a litšila e ka silafatsa mehloli ea mobu le ea metsi, ea beha bophelo ba limela, liphoofolo, le lintho tse phelang metsing kotsing. Ka indasteri ea merafo ea khauta, mohlala, palo e kholo ea cyanide - e nang le mehatla e hlahisoa selemo le selemo. Mehatla ena, ha e sa laoloe hantle, e ka baka likotsi tsa nako e telele tsa tikoloho. Ka hona, mehato e tiileng ea ts'ireletso ea tikoloho le mahlale a kalafo ea litšila a bohlokoa ho fokotsa tšusumetso ea tikoloho ea mesebetsi e amanang le sodium cyanide.
fihlela qeto e
Sodium cyanide, ho sa tsotellehe chefo ea eona e phahameng, ke k'hemik'hale ea bohlokoa liindastering tse fapaneng. Litšobotsi tsa eona tse ikhethang tsa lik'hemik'hale li e nolofalletsa ho bapala karolo ea bohlokoa ho ntšeng tšepe ea bohlokoa, ho qaptjoa ha lik'hemik'hale le ho polata ka motlakase. Leha ho le joalo, ka lebaka la likotsi tse ka bang teng bophelong ba batho le tikolohong, melaoana e thata ea polokeho le mekhoa e nepahetseng ea ho e sebetsana e tlameha ho lateloa nakong eohle ea tlhahiso ea eona, lipalangoang, polokelo le ts'ebeliso. Ha theknoloji e ntse e tsoela pele, boiteko bo lokela ho etsoa ho nts'etsapele mekhoa e meng e mosa le e sireletsehileng haholoanyane kapa mekhoa e ntlafalitsoeng ho fokotsa ho itšetleha le likotsi tse amanang le sodium cyanide ha e ntse e fihlela litlhoko tsa nts'etsopele ea indasteri.
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