
PTFE haanta kaydinta dahaaran ee Nitric Acid
Xudunta badeecada: Iyada oo leh RANA sare-waxqabadka PTFE dahaarka isku dhafan ee xudunta u ah, waxaa loogu talagalay oksaydhka xooggan iyo sifooyinka daxalka ee nitric acid (HNO₃). Iyadoo loo marayo habka cadaadiska kulul, "eber permeation" ee isku dhafka ah ee u dhexeeya dahaarka iyo taangiga waa la xaqiijiyay. Dareen-la'aanta kiimikada ee PTFE waxay si buuxda u diidi kartaa nabaad-guurka HNO₃ waxayna hubin kartaa badbaadada kaydinta.
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Xudunta badeecada: Iyada oo leh RANA sare-waxqabadka PTFE dahaarka isku dhafan ee xudunta u ah, waxaa loogu talagalay oksaydhka xooggan iyo sifooyinka daxalka ee nitric acid (HNO₃). Iyadoo loo marayo habka cadaadiska kulul, "eber permeation" ee isku dhafka ah ee u dhexeeya dahaarka iyo taangiga waa la xaqiijiyay. Dareen-la'aanta kiimikada ee PTFE waxay si buuxda u diidi kartaa nabaad-guurka HNO₃ waxayna hubin kartaa badbaadada kaydinta.
Edge Tartan: Shirkaddu waxa ay haysaa shatiyo ay ku jiraan "Anti{0}Qalabka daxalka ee leh Tiirarka Xoojinta Cadaadiska Xun", taas oo u sahlaysa badeecadaha in ay u adkeystaan xaaladaha faakuumka (-0.1MPa) ee kaydinta nitric acid. Intaa waxaa dheer, alaabta dahaarka ah waxaa shahaado ka helay noocyada caalamiga ah sida DuPont iyo Daikin, oo muujinaya guryaha ka hortagga gabowga ee gaarka ah (aan dillaacin 500 saacadood ka dib soo-gaadhista UV), hubinta xalalka kaydinta dibadda ee sugan.
Xaaladaha codsiga: Ku habboon kaydinta nitric acid iyo wareejinta warshadaha kiimikada iyo macdanta. Daawaynta dusha birta ah (tusaale, birta qashin-qaadista), iska caabbinta heerkulkeeda ({6}}196 darajo ilaa 250 darajo ) waxay la kulmeysaa shuruudaha kulaylinta ama qaboojinta ee nitric acid. Soo saarista walxaha qarxa, qaraxyadeeda-naqshadeeda caddaynta (taangiyada dhulka dejisa + dahaadhka lidka-static) waxay yaraynaysaa khatarta kaydinta waxayna hubisaa badbaadada wax soo saarka.
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