sodium cyanide (NaCN) yog ib qho tshuaj sib xyaw nrog cov ntawv thov kev lag luam tseem ceeb tab sis kuj muaj toxicity heev. Thaum xav txog nws lub cev lub cev ntawm chav tsev kub (feem ntau txhais tau tias kwv yees li 20 - 25 ° C), Sodium cyanide muaj raws li ib tug khoom.
Physical Properties Indicating Solid State
Melting Point thiab Boiling Point: Sodium cyanide muaj cov ntsiab lus siab melting ntawm li 563.7 ° C txog 564 ° C. Nws qhov kub ntawm qhov kub yog siab dua, nyob ib ncig ntawm 1496 ° C. Txij li thaum chav tsev kub nyob deb ntawm nws qhov melting point, nws tseem nyob rau hauv ib qho khoom crystalline daim ntawv. Nyob rau hauv lub xeev cov khoom, cov sodium (Na⁺) thiab cyanide (CN⁻) ions nyob ua ke nyob rau hauv ib tug lattice qauv los ntawm muaj zog ionic bonds.
tsos: Feem ntau, Sodium Cyanide zoo nkaus li dawb crystalline solids, uas tuaj yeem ua tiav rau hauv cov hmoov los yog cov ntaub ntawv pob. Qhov kev pom pom no yog tus yam ntxwv ntawm cov khoom siv hauv chav tsev kub.
Qhov tshwm sim ntawm Liquid Sodium Cyanide
thaum sodium cyanide yog ib qho khoom ntawm chav tsev kub, nws tuaj yeem muaj nyob rau hauv ib daim ntawv ua kua nyob rau hauv tej yam kev mob. Piv txwv li, nyob rau hauv kev lag luam chaw, thaum sodium cyanide yog yaj nyob rau hauv ib tug haum hnyav los tsim ib tug kua, nws muaj peev xwm yuav nyob rau hauv cov kua - zoo li lub xeev rau ntau yam tshuaj. Tsis tas li ntawd, yog tias qhov kub thiab txias tau nce siab tshaj nws qhov melting point, nws yuav hloov mus rau hauv cov kua. Tab sis cov no tsis yog cov xwm txheej ntawm chav tsev kub.
Hauv kev xaus, nyob rau hauv ib qho chaw txias txias, sodium cyanide yog cov khoom. Vim nws cov toxicity heev, ib qho kev tuav ntawm sodium cyanide, txawm nyob rau hauv cov khoom siv los yog kua, yuav tsum tau ua nrog kev saib xyuas zoo tshaj plaws, ua raws li cov txheej txheem kev nyab xeeb nruj kom tsis txhob muaj kev puas tsuaj rau tib neeg kev noj qab haus huv thiab ib puag ncig.
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