leqephe_banner

lihlahisoa

Boric acid

tlhaloso e khuts'oane:

Ke phofo e tšoeu ea kristale, e nang le maikutlo a boreleli ebile ha e na monko.Mohloli oa eona o nang le asiti ha o fane ka proton ka boeona.Hobane boron ke athomo e haelloang ke elektronike, e ka eketsa li-ion tsa hydroxide ea limolek'hule tsa metsi le ho lokolla li-proton.Ho sebelisa monyetla oa thepa ena e haelloang ke elektronike, metsoako ea polyhydroxyl (e kang glycerol le glycerol, joalo-joalo) e kenngoa ho theha li-complexes tse tsitsitseng ho matlafatsa acidity ea tsona.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Lintlha tsa Sehlahisoa

1

Litlhaloso tse fanoeng

Khalase ea anhydrous(litaba ≥99%)

Khalase ea monohydrate(litaba ≥98%)

 (Bophahamo ba referense ea kopo 'ts'ebeliso ea sehlahisoa')

Oxalic acid ke acid e fokolang.Taelo ea pele ea ionization kamehla Ka1 = 5.9 × 10-2 le ea bobeli ea ionization kamehla Ka2 = 6.4 × 10-5.E na le sebopeho sa acid.E ka fokotsa motheo, ea senya letšoao, 'me ea lokolla carbon dioxide ka ho sebelisana le carbonates.E na le reducibility e matla 'me e bonolo ho e kenya ka har'a carbon dioxide le metsi ka oxidizing agent.Tharollo ea asiti ea potassium permanganate (KMnO4) e ka ntšoa 'me ea fokotsoa ho 2-valence manganese ion.

EVERBRIGHT® 'e tla boela e fane ka lintlha tse ikhethileng: content/whiteness/particlesize/PHvalue/color/packagingstyle/ lintlha tsa sephutheloana le lihlahisoa tse ling tse loketseng maemo a hau a ts'ebeliso,' me e fane ka lisampole tsa mahala.

Parameter ea sehlahisoa

CAS Rn

10043-35-3

EINECS Rn

233-139-2

FORMULA wt

61.833

MOKHATLO

Asiti ea inorganic

TŠOANELO

1.435 g/cm³

H20 TŠEBELETSO

E sa keneng ka metsing

PHELELA

300 ℃

KHAHLISOA

170.9 ℃

Tšebeliso ea Sehlahisoa

boli
玻纤
陶瓷

Khalase / fiberglass

E sebelisoa bakeng sa tlhahiso ea khalase ea optical, khalase e thibelang acid, khalase ea organoborate le likhalase tse ling tse tsoetseng pele le fiber ea khalase, e ka ntlafatsa ho hanyetsa mocheso le ho pepeseha ha khalase, ho ntlafatsa matla a mochine, ho khutsufatsa nako ea ho qhibiliha.B2O3 e bapala karolo e 'meli ea ho phalla le ho theha marang-rang ha ho etsoa khalase le fiber ea khalase.Mohlala, tlhahisong ea fiber ea khalase, mocheso o qhibilihang o ka theoleloa ho thusa ho taka terata.Ka kakaretso, B2O3 e ka fokotsa viscosity, ho laola katoloso ea mocheso, ho thibela ho phunyeletsa, ho ntlafatsa botsitso ba lik'hemik'hale, le ho ntlafatsa ho hanyetsa ho tsieleha ha mechine le mocheso oa mocheso.Ka tlhahiso ea khalase moo ho hlokahalang sodium e tlaase, boric acid hangata e kopantsoe le sodium borates (e kang borax pentahydrate kapa borax anhydrous) ho laola tekanyo ea sodium-boron ka khalase.Sena ke sa bohlokoa bakeng sa khalase ea borosilicate hobane boron oxide e bontša ho qhibiliha ho hotle tabeng ea sodium e tlaase le aluminium e phahameng.

Enamel/ceramic

Enamel, indasteri ea ceramic bakeng sa tlhahiso ea glaze, e ka fokotsa katoloso ea mocheso oa glaze, ea fokotsa mocheso o folisang oa glaze, e le ho thibela ho phatloha le ho putlama, ho ntlafatsa ho benya le ho potlaka ha lihlahisoa.Bakeng sa likhalase tsa ceramic le enamel, boron oxide ke 'mele o motle oa ho phalla le ho theha marang-rang.E ka theha khalase (ka mocheso o tlase), ea ntlafatsa ho ikamahanya le maemo ha glaze e se nang letho, ea fokotsa viscosity le tsitsipano ea holim'a metsi, ea ntlafatsa index ea refractive, ea ntlafatsa matla a mochini, ho tšoarella le ho hanyetsa, ke karolo ea bohlokoa ea glaze e se nang lead.Boron frit e phahameng e butswa kapele mme e etsa glaze e boreleli ka potlako, e loketseng ho etsa mebala.Ka frit ea lithaele tse benyang ka potlako, B2O3 e hlahisoa e le boric acid ho netefatsa tlhokahalo e tlase ea sodium content.

Indasteri ea tlhokomelo ea bophelo

E sebelisoa ha ho etsoa setlolo sa boric acid, sebolaea likokoana-hloko, astringent, preservative joalo-joalo.

E thibelang lelakabe

Ho eketsa borate ho thepa ea celluloid ho ka fetola karabelo ea eona ea oxidation le ho khothaletsa sebopeho sa "carbonization".Ka hona e thibela lelakabe.Asiti ea boric, e le 'ngoe kapa e kopane le borax, e na le phello e khethehileng ho fokotsa ho chesa ha celluloid insulation, lehong, le lithaere tsa k'hothone ka materaseng.

Metallurgy

E sebelisoa e le tlatsetso le cosolvent tlhahiso ea tšepe ea boron ho etsa hore tšepe ea boron e be le boima bo phahameng le ductility e ntle ea rolling.Boric acid e ka thibela oxidation ea bokaholimo ba tšepe, brazing le casing welding.Hape ke thepa e tala ea ferroboron alloy.

Indasteri ea lik'hemik'hale

E sebelisoa ha ho etsoa liborate tse fapa-fapaneng, tse kang sodium borohydride, ammonium hydrogen borate, cadmium borotungstate, borohydride ea potasiamo joalo-joalo.Tlhahisong ea li-intermediate tsa nylon, asiti ea boric e bapala karolo ea matla ho oxidation ea hydrocarbons mme e hlahisa li-ester ho eketsa chai ea ethanol, ka hona e thibela ho tsoela pele ha oxidation ea lihlopha tsa hydroxyl ho hlahisa ketone kapa hydroxic acid.Indasteri ea manyolo bakeng sa tlhahiso ea likhoele tsa likerese, boron e nang le manyolo.E sebelisoa e le sesebelisoa sa ho hlahloba lik'hemik'hale bakeng sa ho lokisa buffer le mecha ea litaba e fapaneng bakeng sa ho ikatisa ha haploid.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona