Formalin. Chii zvinhu ichi?

Vakawanda vakanzwa nezvenyaya iyi, sezvo formalin. Chii ichi remubatanidzwa makemikari? Unowanzonzi formol. Zviri mhinduro kubva formaldehyde (36,5-40%). Sezvo stabilizer, rine methyl doro (4-12%). Izvi Hauoneki läpinäkyvä mvura ane kunzwa zvakanaka. Inogona yakavhenganiswa doro uye mvura chero reshiyo.

Formalin: chii?

fuma iri kushandiswa senzira sanitizer kakawanda. zvingaitwa yaro (0.5-1%) rinoshandiswa vashambemo ganda ane simba vangadikitira (makumbo, muhapwa) uye bromidrosis (unopinza munhuwi ziya). Formalin riri kubudirira kuderedza secretion pamusoro epidermal omumuviri, asi hazvigoni kushandiswa zuva nezuva. Mune zvimwe zviitiko, rinoshandiswa yokudiridzira (pa wevasungwa pamusoro 0,05%), kugeza ndimbo crypt (0.25%). fuma Ichi chikamu "Lysoform" kugadzirira "Formidron" "Mafuta formalin", "namatidza Teymurova".

Marwadzo apo kushandisa mhinduro iyi: kutsamwa uye overdrying ganda, iyo haazombotaurwi kana lubricating nazvo mafuta ruomba kana mafuta muriwo. Formalin, iro kushanda iri contraindicated mu kuzvimba kana kutsamwa ari Epiderme e zvinogona kushandiswa chete pashure rokubviswa.

Nokuti disinfection zvokurapa zviridzwa uye zvinhu varwere uyewo kushandisa ichi chigadzikiso. Kushandiswa muchiitiko ichi envisages 0.5 chete% formalin. Chii chinodhaka ichi? Kushandiswa mune zvokurapa zvinangwa chete zvinobudisa 10% mhinduro iri girazi ndiro pamusoro 100 ml. Formalin zvikachenge- patsime namahwindo mudziyo munzvimbo ine rima pane tembiricha kwete zvishoma 9˚S. fuma iri kuonekwa chepfu vanhu nemhuka.

Makemikari anoumba formalin

Sei formalin? The yemaitiro iyi zvinhu - CH ₂ O. The formaldehyde (formic aldehyde acid) inova Hauoneki gasi ane cheYangon kwakanaka, apo kutonhora kusvika -21 ° C iri rinochinjwa kuva mvura yakachena. ayo utsotso ndeyekuti -92 ° C. The oxidation kwayo iri dzikwanise formic acid. Formaldehyde inotengwa nevanhu kuitwa mhepo okisijeni kuti methanol ari mhute muchimiro pamberi catalysts. Izvi, sirivha akaratidza kunyanya zvibereko, kunyange indasitiri anoshandisa zvakawanda iripo mhangura. The vakawana kwakadonhera mvura rinoungana, zvichiguma formalin. It ingasanganisira netsvina acetone, acetic kana formic acid. Kusimuka kwemvura of akanzwirwa Zvakasara formalin gobvu guru Polymers dziri insoluble mumvura inotonhora.

ehupfumi formalin

fuma iyi kunokonzera kusingarapiki kuchinja mapurotini ose protoplasm. Muchiitiko chino, zviri necrotizing uye mummified tishu. Achifuridzirwa mhinduro iyi kuna kwemabhakitiriya masero ari denatured mapurotini dzavo. At 5% formol nokuda 0.5h vanofa spore notumwe. Nokupesvedzera formalin Chizenga anova methemoglobin (chepfu oxidation chigadzirwa). Panguva kwenguva refu okuchengetera muchando mukamuri, mushonga kunova Cloudy. Izvi zvikonzero whitish precipitate - paraformaldehyde.

Kushandisa formaldehyde mhinduro

Formalin rinoshandiswa senzira nyore rine formaldehyde, anoshandiswa kugadzirwa polyvinyl yokuchikoro. Uyewo kushaika sezvo akambozvishandisa kuuraya utachiona kuti disinfection pamusoro kwakavakirwa, maturusi zvipfeko, kusukuta matehwe matehwe. Rinoshandiswa yokusasika Organic zvinhu (zvinenge uye nhengo). Formalin, izvo chikumbiro kuti ndichengetedze kugadzirira anatomic hazvishamisi, zvakare senzira fungicide. vachengeti zhinji chinopinda iri mhinduro, mbeu, tubers, midzi vasati kudyara uye rokudyara.

Formalin, iyo inotongwa unhu GOST 1625-89, akashandiswa zvaAtemisi chakaita zvokugadzirwa Inogadzirwa nemasiridzi anobuda mumiti, surfactants, rabha, polyhydric alcohols , uye vamwe nomukaka zviri methylene. formaldehyde mhinduro yakanga kushandiswa Whitehead Textile indasitiri. Rinoshandiswa kuvandudza mutengi ehupfumi ari zvinyama kuramba shrinkage uye kuunyana. Mupepa indasitiri formalin kunonatsiridza bepa yepamusoro uye ayo simba.

Safety patinoungana kushanda formalin

By kutenga nyaya iyi hatifaniri kukanganwa kuti zvingava formaldehyde ngozi. Zvakadini zvokungwarira mhando? Garandi nguva kuchengetera pafuma kubva mukugadzira musi - mazuva 90. Formalin akatengeswa muhombodo, magaba, ngoma. formaldehyde mhinduro inofanira kuchengetwa kure nevana. Kana kugamuchira formalin mukati pane unopfuta manzwiro uye kurwadziwa yegurokuro uye mudumbu. Pashure kune kurutsa ropa. Uyewo, kana formalin chepfu kunoitika chikosoro, sneezing, hyperthermia ako, kupfupika mweya. Munhu tinganetseka chinyamunhari chinorwadza, dzungu, vhunduka. Mune zvimwe zviitiko, formalin chepfu zvinouraya, kunoitika nokuda kufema rutivi rwomuviri uye kubitirwa. Zvinouraya dose - 10-15 ml 35% mhinduro. Munhuwi formaldehyde pamatunhu kuwanda kunogonawo kukonzera munhu sema kuita.