Formalin. Kodi zinthu izi?

Ambiri anamva za nkhaniyi, monga formalin. Kodi pawiri izi mankhwala? Amangonena kuti formol. Ndi njira ya formaldehyde (36,5-40%). Monga stabilizer, izo lili methyl mowa (4-12%). Izi colorless mandala madzi ali ndi fungo Fungo lamphamvu lamankhwala. Iwo akhoza wothira mowa ndi madzi mu chiŵerengero iliyonse.

Formalin: ndichiyani?

mankhwala ntchito monga sanitizer zambiri. njira zake (0.5-1%) ntchito kutsuka khungu ndi thukuta amphamvu (miyendo, m'khwapa) ndi bromidrosis (lakuthwa fungo la thukuta). Formalin othandiza kuchepetsa katulutsidwe wa zopangitsa epidermal, koma sangathe ntchito tsiku ndi tsiku. Mu zina, ntchito ulimi wothirira (pa ndende ya 0,05%), kuchapa tonsil crypt (0,25%). mankhwala ndi mbali ya "Lysoform" kukonzekera "Formidron" "mafuta formalin", "Ikani Teymurova".

Zotsatira zoyipa za mankhwalawa pamene ntchito njira: kuyabwa ndi overdrying khungu, amene Mwamsanga pamene lubricating ndi mafuta kirimu kapena masamba mafuta. Formalin, amene ntchito ndi contraindicated mu kutupa kapena kukhumudwa kwa khungu angagwiritsidwe ntchito pokhapokha kuchotsa awo.

Pakuti tizirombo pa zipangizo zachipatala ndi zinthu odwala komanso kugwiritsa ntchito njira imeneyi. Ntchito mu nkhani iyi envisages 0.5 okha% formalin. Kodi mankhwala? Ntchito mankhwala zolinga kokha kupereka yankho 10% mu mbale galasi 100 ml. Formalin kusungidwa mu chidebe bwino chatsekedwa mu mdima pa kutentha 9˚S osati zochepa. mankhwala akuti ndi poizoni anthu ndi nyama.

Mipweya ya formalin

Kodi formalin? Chilinganizo cha nkhaniyi - CH ₂ O. The formaldehyde (formic aldehyde acid) zomwe ndi gasi colorless ndi fungo lokhuthala lolepheretsa anthu kupuma, pamene yozizira kwa -21 ° C adziwonetsa madzi bwino. mfundo zake limatsogolera ndi -92 ° C. The makutidwe ndi okosijeni a iwo n'kukhala asidi formic. Formaldehyde analandira ndi zochita za mpweya mpweya methanol mu mawonekedwe nthunzi mu kukhalapo kwa catalysts. Awa, siliva anasonyeza makamaka zipatso, ngakhale makampani amagwiritsa mkuwa zambiri zilipo. The analandira madzi otchezedwa amasonkhana, chifukwa mu formalin a. Mwina muli zosafunika wa acetone, acetic kapena asidi formic. Evaporation wa zotsalira zopezera wandiweyani misa formalin wa ma polima amene ali insoluble m'madzi ozizira.

katundu formalin

mankhwala amachititsa inasinthiratu mu mapuloteni a protoplasm. Pankhaniyi, ndi necrotizing ndi mummified minofu. Mothandizidwa ndi njira kwa maselo bakiteriya ndi denatured mapuloteni awo. Pa 5% formol kwa 0.5h kufa spore bowa. Mothandizidwa hemoglobin formalin amakhala methemoglobin (ziphe makutidwe ndi okosijeni mankhwala). Pa yosungirako yaitali mu chipinda ozizira, yankho limakhala mitambo. Izi ndipamene precipitate yochitidwa - paraformaldehyde.

Kugwiritsa formaldehyde njira

Formalin ntchito ngati gwero yachidule formaldehyde, ntchito yopanga polyvinyl ofunda. Ndi chofunika kwambiri monga antiseptic kwa disinfection wa malo, zipangizo, zovala, khungu zikopa. Izo ntchito mankhwala zinthu organic (zamoyo ndi ziwalo). Formalin, amene yofunsira kuteteza kukonzekera anatomic n'zosadabwitsa ntchito ngati fungicide a. alimi ambiri unazokotedwa mwa njira imeneyi, mbewu, tubers, mizu asanadzalemo ndi yofesa.

Formalin, amene amatsogozedwa ndi khalidwe la GOST 1625-89, ntchito kupanga resins kupanga, surfactants, labala alcohols polyhydric , ndi ena ofanana nawo ena a methylene. formaldehyde njira ankagwiritsidwanso ntchito pa mafakitale nsalu. Izo ntchito pokonzanso ogula katundu wa minofu kukana kuti shrinkage ndi makwinya. Makampani pepala formalin bwino khalidwe pepala ndi mphamvu yake.

tipewe ngozi pamene ntchito ndi formalin

Agule nkhani imeneyi sitiyenera kuiwala kuti koopsa formaldehyde. Kodi mtundu wa kusamalitsa? Chitsimikizo nthawi kusunga mankhwala kuchokera tsiku kupanga - masiku 90. Formalin chogulitsidwa mabotolo, zitini, ng'oma. formaldehyde njira asungike kutali ana. Pamene kulandira formalin mkati pali woyaka kutengeka ndi ululu mu mmero ndi m'mimba. Pambuyo kuti pali kusanza magazi. Komanso, pamene formalin poyizoni amapezeka chifuwa, sneezing, hyperthermia cha maso, kupuma movutikira. Munthu akhoza kuona omangana, chizungulire, amantha. Nthawi zina, formalin poyizoni amapha, kumene kumachitika chifukwa ziwalo kupuma ndi asphyxiation. Woopsa mlingo - 10-15 ml 35% njira. Fungo la formaldehyde mu woipa mkulu zina chifukwa sayanjana.