Hydrofluoric acid (HF)
Cikakken Bayani
An bayar da ƙayyadaddun bayanai
Ruwan gaskiya Abun ciki ≥ 35% -55%
(Isalin bayanin aikace-aikacen 'amfani da samfur')
Gas ɗin hydrogen fluoride yana narkewa cikin ruwa, kuma maganinsa mai ruwa ana kiransa hydrofluoric acid.Samfurin yawanci shine 35% -50% hydrogen fluoride gas aqueous bayani, mafi girman taro zai iya kaiwa 75%, don ruwan hayaki mai haske mara launi.Kamshi mai kamshi, mai jujjuyawa, farin hayaki a cikin iska.Yana da matsakaicin ƙarfi inorganic acid wanda yake da lalata sosai kuma yana iya lalata gilashin da silicates don samar da tetrafluoride na siliki na gas.Hakanan yana iya yin hulɗa da ƙarfe, ƙarfe oxides da hydroxides don samar da gishiri iri-iri, amma tasirin ba shi da ƙarfi kamar hydrochloric acid.Zinariya, platinum, gubar, paraffin da wasu robobi ba za su iya amfani da shi ba, don haka ana iya yin kwantena.Hydrogen fluoride gas yana da sauƙi polymerized don samar da (HF) 2 (HF) 3 · kwayoyin homochain, kuma a cikin yanayin ruwa, matakin polymerization yana ƙaruwa.Ajiye a cikin kwantena da aka yi da gubar, kakin zuma ko filastik.Yana da guba sosai kuma yana iya haifar da kumburin fata.
EVERBRIGHT®'ll kuma samar da musamman: abun ciki / fari / barbashi / PHvalue / launi / packagingstyle / marufi bayani dalla-dalla da sauran takamaiman kayayyakin da suka fi dace da your amfani yanayi, da kuma samar da free samfurori.
Sigar Samfura
7664-39-3
231-634-8
20.01
Inorganic acid
1.26g/cm³
mai narkewa cikin ruwa
120 (35.3%)
-83.1 (mai tsarki)
Amfanin Samfur
Yashi na quartz pickling
Yana aiki mafi kyau idan aka bi da shi tare da hydrofluoric acid, amma ana buƙatar babban taro.Lokacin da aka raba tare da sodium disulfite, ana iya amfani da ƙananan ƙididdiga na hydrofluoric acid.An gauraya wani yanki na hydrochloric acid da hydrofluoric acid a cikin turmi quartz a lokaci guda bisa ga rabo;Hakanan za'a iya magance shi da maganin hydrochloric acid da farko, a wanke sannan a bi da shi da hydrofluoric acid, a bi da shi a cikin zafin jiki na tsawon sa'o'i 2-3, sannan a tace shi kuma a tsaftace shi, wanda zai iya kawar da ƙazanta da oxides a saman yashi na quartz da kyau sosai. tsarki da ingancin yashi ma'adini.
Metal surface jiyya
Cire ƙazanta masu ɗauke da iskar oxygen, hydrofluoric acid acid ne mai rauni, kama da ƙarfi ga formic acid.Babban taro na hydrofluoric acid na kasuwanci shine 30% zuwa 50%.Babban halaye na cire tsatsa na hydrofluoric acid sune kamar haka:
(1) Za a iya narkar da mahadi masu ɗauke da siliki, aluminum, chromium da sauran oxides na ƙarfe kuma suna da kyakkyawan solubility, waɗanda aka saba amfani da su don fitar da simintin gyare-gyare, bakin karfe da sauran kayan aiki.
(2) Domin karfe workpieces, low maida hankali hydrofluoric acid za a iya amfani da tsatsa kau.Hydrofluoric acid bayani tare da 70% maida hankali yana da passivation sakamako a kan karfe
(3) Hydrofluoric acid tare da maida hankali na kusan 10% yana da rauni mai rauni sakamako a kan magnesium da gami, don haka ana amfani da shi sau da yawa a cikin etching na magnesium workpieces.
(4) Gabaɗaya gubar ba ta lalacewa ta hydrofluoric acid;Nickel yana da juriya mai ƙarfi a cikin maganin hydrofluoric acid tare da ƙima fiye da 60%.Hydrofluoric acid yana da guba sosai kuma yana da ƙarfi, kuma ana amfani dashi don hana hulɗar ɗan adam tare da ruwa na hydrofluoric acid da iskar hydrogen fluoride, tankin etching yana da kyau a rufe kuma yana da na'urar samun iska mai kyau, kuma ana iya fitar da ruwan dattin da aka yi da fluorined.
sarrafa Graphite
Hydrofluoric acid wani acid ne mai karfi wanda zai iya amsawa da kusan kowane datti a cikin graphite, kuma graphite yana da tsayayyar acid mai kyau, musamman ma yana iya tsayayya da acid hydrofluoric, wanda ke ƙayyade cewa za'a iya tsarkake graphite da hydrofluoric acid.Babban tsari na hanyar hydrofluoric acid shine hada graphite tare da acid hydrofluoric, da amsa hydrofluoric acid tare da ƙazanta na ɗan lokaci don samar da abubuwa masu narkewa ko marasa ƙarfi, bayan wankewa don cire ƙazanta, bushewa da bushewa don samun graphite mai tsabta.
Musamman don hakar ma'adinan ƙasa da ba kasafai ba
Hanyar shiri na anhydrous rare earth fluoride shi ne a hado hydrated rare earth fluoride daga ruwa bayani, sa'an nan kuma dehydrate ko fluorinate da rare earth oxide kai tsaye tare da fluorinating wakili.Solubility na ƙananan fluoride na ƙasa kaɗan ne, kuma ana iya haɗe shi daga hydrofluoric, sulfuric, ko nitric acid mafita na ƙasa mai wuya ta amfani da acid hydrofluoric (haɓaka yana haɗe a cikin nau'in fluoride mai ruwa).
TPT-LCD Bakin allo (Matsa na lantarki)
A karkashin kariyar photoresist da gefen manne, an daidaita taro na hydrofluoric acid, wani adadin nitric acid, maida hankali sulfuric acid da hydrochloric acid an kara, da ultrasonic karin yanayi da aka kara, da etching kudi a fili an inganta.Matsakaicin tsaftacewa na iya yadda ya kamata ya rage girman yanayin da kuma rage hazo na haɗe-haɗe na farin saman.An warware matsalar m surface da fari saman mannewa hazo.
Lalata fiber
Hydrofluoric acid cike da lalata photonic crystal fiber (PCF).Hydrofluoric acid yana cika cikin ramukan fiɗaɗɗen fiber na kristal photonic.Ta hanyar canza tsarin sashe na giciye, ana haɓaka fiber na kristal na photonic tare da takamaiman tsari kuma ana canza halayensa na gani.Sakamakon ya nuna cewa raguwar zubar da ruwa da asarar watsawa yana raguwa tare da karuwan digiri na lalatawar porosity, ƙimar da ba ta dace ba tana ƙaruwa a fili, ingantacciyar ƙididdiga mai mahimmanci na core mold da daidaitaccen ma'auni na cladding yana raguwa daidai, da tarwatsewar rukuni. kuma yana canzawa.
