CIANURI: putina informare: NaCN - actioneaza rapid in lipsa - TopicsExpress



          

CIANURI: putina informare: NaCN - actioneaza rapid in lipsa primului ajutor, ducand la deces in cateva minute. Doza mortala pentru un om - o lingurita de concentratie 2% din acest cianat de sodiu. Se absoarbe prin: ingerare, contact cu ochii, prin piele taiata / zgariata, mucoase umede ( inclusiv mucoasa nazala ). HCN - se lipeste de o enzimain lipsa careia celulele nu mai pot folosi oxigenuldin sange, ducamd la asfixia celulelor ( vizibil necroze ). Acumularea de acid lactic ( acidoza lactica ) afecteaza sistemul nervos central si duce la stop respiratoe si moarte. Intoxicatiile ( ingerarea sub doza mortala ) cu cianuri are ca efecte: reducerea memoriei, slabirea inimii, dureri de cap, somnolenta, ameteli, varsaturi, convulsii, puls crescut sau scazut, leziuni pe nervul optic. Se ajunge la hiperoxigenarea sangelui, acesta nu mai ajunge la tesuturi, rezultand hipoxia celulara.
Posted on: Thu, 31 Oct 2013 15:10:51 +0000

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