Hydrofluoric acid (hf)
Nkọwa nke ngwaahịa
Nkọwapụta enyere
Mmiri mmiri Ọdịnaya ≥ 35% -55%
(Akara nke ngwa ahịa ")
A na-akpọ mmanụ hydrogen na mmiri, yana ihe o mepere ya hydroflueric acid. Ngwaahịa a na-abụkarị 35% -50% hydrogen fluoride gas gas, ịta ahụ kachasị elu nwere ike iru 75%, maka mmiri mmiri na-enweghị atụ. Na-esi isi na-esi ísì ụtọ, na-ere ọkụ, na-acha ọcha na ikuku. Ọ bụ ike na-adịkarị ike nke ukwuu na-enwe ike iko ma nwee ike corrode iko na silcates iji mepụta silicon Tetraflioride. Ọ nwekwara ike iji ọlakọọ na ọla, na igwe metals na hydroxides iji mepụta nnu dị iche iche, mana mmetụta ahụ adịghị ka ike dị ka hydrochloric acid. Gold, platinum, onye ndu, paraffin na ụfọdụ plastik enweghị ike iji ya, yabụ enwere ike iji ya. Gas hydrogen fluoride dị mfe polymezed na-etolite (hf) 2 (hf) 3boochain moleculas, na ebe mmiri na-abawanye. Na-echekwa na arịa ndị emere nke ndu, wax ma ọ bụ plastik. Ọ bụ nke ukwuu na-egbu egbu ma nwee ọnya afọ.
Deberight® 'LL na-enye ahaziri iche: ọdịnaya / whiteness / Phvalue / Fillegsto / ngwaahịa ndị ọzọ dị mma maka ọnọdụ gị, ma nye nlele n'efu.
Nkuku ngwaahịa
7664-39-3
231-634-8
20.01
Inorganic acid
1.26G / cm³
soluble na mmiri
120 (35.3%)
-83.1 (dị ọcha)
Iji ngwaahịa
Quartz aja
Ọ na-arụ ọrụ kachasị mma mgbe ejiri hydrofluoric acid, mana achọrọ dị elu. Enwere ike iji sodium na-emegharị sodium. Enwere ike iji gị dị ala. A gwakọtara ụfọdụ ịta hydrochloric acid na hydrofluoric ọ ga-agwa ya na ngwa agha Quarchz n'otu oge ahụ dịka nke ọma. Enwere ike mesoo ya na ngwọta acidiyo buru ụzọ, saa ya ma mesoo ya na oke okpomọkụ nke aja na-eme ka ọ dị ọcha ma melite ịdị ọcha na ịdị mma nke Quarch ájá.
Metal ọgwụgwọ
Wepu adịghị mma oxygen-nwere ọghọm oxygen, acidfluoric acid bụ acid na-adịghị ike, yiri ya na ike ịhazi acid. Generalmentkwụ ịta nke acidcluoric acid dị na azụmahịa dị 30% ruo 50%. Ihe njiri mara nke iwepu ahihia acid dị ka ndị a:
(1) nwere ike igbari silicon-nwere ogige nwere ogige, aluminom, chromium na ọla ndị ọzọ na-enwekarị ọkaibe, a na-ejikarị ya na-akụ, igwe anaghị agba nchara na ọrụ ọrụ ndị ọzọ.
(2) maka ọrụ ọrụ nchara, a ga-eji hydrofluoric acid nwere ike iji ya maka iwepụ nchara. Hydrofluoric acid nwere 70% ịta nwere mmetụta ị ga-enwe mmetụta na steel
(3) hydrofluoric acid na ịta ihe dị ka 10% nwere mmetụta na-adịghị ike na magnesium na alloys, yabụ a na-ejikarị ya na etchedium nke Magtọsi.
(4) Ndu na-eduzighi uzo site na hydrofluoric acid; Nickel nwere nguzogide siri ike na ngwọta acid acid na ndọpụ uche karịrị 60%. Acidfluoric acid bụ oke egbu egbu ma na-agbanwe agbanwe, ma na-ejikwa mmanụ mmiri acid na gas na-acha uhie uhie, a ga-enwe ike ịchanye ya.
Nhazi eserese
Hydrofluoric acid bụ acid siri sie ike na ihe fọrọ nke nta ka ọ bụrụ ihe na-adịghị ọcha na eserese aciditi, nwere ike iguzo hydrofluic acid, nke na-ekpebi eserese acid acid. Usoro isi nke usoro acid na-eme ka mịkọ na-egosipụta na acid acid, ma meghachi omume hydrofluoric na-eme ka ọ dị ọcha, mmiri na-egbu egbu iji nweta eserese ọcha.
Pụrụ iche maka ndị na-egwu egwu ụwa
Usoro nkwadebe nke ainddrous ritere ụwa fluoride bụ ihe a na-apụ n'anya ụwa nke ụwa na-eme mkpọtụ ma ọ bụ ịgha mkpụrụ ụwa ozugbo na-akwụ ụgwọ na-akwụghị ụgwọ. Nkwado nke oke fluoride dị obere, ọ nwere ike ibute ya na hydfuric acid, ma ọ bụ mkpụrụ osisi na-ehicha nke fluated hydrated).
Ihuenyo LCD LCD dị nro (ọkwa elektrọnik)
N'okpuru nchebe nke ụtọ foto na onu gluu, ịta acid nke hdric acid, a na-etinyekwa ọnọdụ ultrasonic acid, a na-agbakwunye ọnọdụ ultrasonic, o doro anya na ọnụego etchidiary ka mma. Ibelata nhicha nwere ike belata ala ike dị ala ma belata ọdịda nke mgbakwunye elu elu. Nsogbu nke elu elu na elu elu elu elu elu ihu.
Corrosion
Hydrofluoric acid jupụtara corrosion craric crystal eriri (PCF). Hydrofluoric acid juputara n'ime pores nke crulstal contonic cricstal. Site na igbanwe ihe owuwu uzo uzo ya, a na-emeputa ahiri okari circtal kristal. Nsonaazụ na-egosi na ndị na-enweghị ike na-efu na mgbasa ozi na-agbadata na ogo mpaghara corrosion ogo, ọnụ ọgụgụ ndị na-adịghị akwụ ụgwọ nke cladding na-agbadata nke ọma, na mgbasawanye ndị na-asọ oyi na-agbanwe.
