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samfurori

Boric acid

taƙaitaccen bayanin:

Farin lu'ulu'un foda ne, mai santsi kuma babu wari.Tushen sa na acidic ba shine ya ba da protons da kansa ba.Saboda boron zarra ne na ƙarancin lantarki, yana iya ƙara ions hydroxide na kwayoyin ruwa da sakin protons.Yin amfani da wannan ƙarancin lantarki, ana ƙara mahaɗan polyhydroxyl (kamar glycerol da glycerol, da sauransu) don samar da barga masu ƙarfi don ƙarfafa acidity ɗin su.


Cikakken Bayani

Tags samfurin

Cikakken Bayani

1

An bayar da ƙayyadaddun bayanai

Anhydrous crystal(abun ciki ≥99%)

Monohydrate crystal(abun ciki ≥98%)

 (Isalin bayanin aikace-aikacen 'amfani da samfur')

Oxalic acid acid ne mai rauni.Ƙididdigar ionization na farko-oda Ka1 = 5.9 × 10-2 da ionization akai-akai Ka2 = 6.4 × 10-5.Yana da babban adadin acid.Yana iya kawar da tushe, canza launi mai nuna alama, da sakin carbon dioxide ta hanyar hulɗa tare da carbonates.Yana da ƙarfi redicibility kuma yana da sauƙin zama oxidized cikin carbon dioxide da ruwa ta oxidizing wakili.Acid potassium permanganate (KMnO4) bayani za a iya canza launi da kuma rage zuwa 2-valence manganese ion.

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

CAS Rn

10043-35-3

EINECS Rn

233-139-2

FORMULA wt

61.833

KASHI

Inorganic acid

YAWA

1.435 g/cm³

H20 SAUKI

Mara narkewa a cikin ruwa

TAFARU

300 ℃

NArke

170.9 ℃

Amfanin Samfur

boli
玻纤
陶瓷

Gilashi / fiberglass

An yi amfani da shi don samar da gilashin gani, gilashin acid-resistant, gilashin organoborate da sauran gilashin ci gaba da gilashin gilashi, zai iya inganta ƙarfin zafi da kuma nuna gaskiyar gilashi, inganta ƙarfin injiniya, rage lokacin narkewa.B2O3 yana taka rawar dual na juyi da haɓakar hanyar sadarwa a cikin kera gilashi da fiber gilashi.Misali, a cikin samar da fiber na gilashi, ana iya saukar da zafin narke don sauƙaƙe zanen waya.Gabaɗaya, B2O3 na iya rage danko, sarrafa haɓakar thermal, hana haɓakawa, haɓaka kwanciyar hankali na sinadarai, da haɓaka juriya ga girgiza injina da girgiza zafi.A cikin samar da gilashin inda ake buƙatar ƙananan abun ciki na sodium, ana haɗe acid boric sau da yawa tare da sodium borates (kamar borax pentahydrate ko borax anhydrous) don daidaita rabon sodium-boron a cikin gilashi.Wannan yana da mahimmanci ga gilashin borosilicate saboda boron oxide yana nuna kyakkyawan narkewa a cikin yanayin ƙarancin sodium da babban aluminum.

Enamel / yumbu

Enamel, masana'antar yumbu don samar da glaze, na iya rage haɓakar thermal na glaze, rage yawan zafin jiki na glaze, don hana fashewa da lalatawa, inganta haske da sauri na samfurori.Don yumbu da enamel glazes, boron oxide yana da kyau juzu'i da tsarin jiki na cibiyar sadarwa.Yana iya samar da gilashin (a low yanayin zafi), inganta adaptability na blank glaze, rage danko da surface tashin hankali, inganta refractive index, inganta inji ƙarfi, karko da kuma sa juriya, shi ne wani muhimmin bangaren da gubar-free glaze.Babban boron frit yana girma da sauri kuma yana samar da kyalkyali mai santsi da sauri, wanda ya dace da canza launi.A cikin tayal mai walƙiya mai ƙyalƙyali da sauri, an gabatar da B2O3 azaman boric acid don tabbatar da ƙarancin abun ciki na sodium.

Masana'antar kula da lafiya

Ana amfani da shi wajen samar da maganin shafawa na boric acid, maganin kashe kwayoyin cuta, astringent, preservative da sauransu.

Mai hana wuta

Ƙara borate zuwa kayan celluloid na iya canza yanayin iskar oxygen da inganta samuwar "carbonization".Don haka yana hana wuta.Boric acid, shi kaɗai ko a haɗe shi da borax, yana da tasiri na musamman akan rage ƙona ƙoshin ƙoshin celluloid, itace, da tayoyin auduga a cikin katifa.

Karfe

Ana amfani da shi azaman ƙari da kwantar da hankali wajen samar da ƙarfe na boron don sanya ƙarfen boron ya sami ƙarfi mai ƙarfi da ingantaccen juzu'i.Boric acid na iya hana oxidation surface na karfe waldi, brazing da casing waldi.Har ila yau, shi ne albarkatun kasa na ferroboron gami.

Masana'antar sinadarai

Ana amfani da su wajen samar da borates daban-daban, irin su sodium borohydride, ammonium hydrogen borate, cadmium borotungstate, potassium borohydride da sauransu.A cikin samar da tsaka-tsakin nailan, boric acid yana taka rawar gani a cikin iskar oxygenation na hydrocarbons kuma yana haifar da esters don haɓaka yawan amfanin ƙasa na ethanol, ta haka yana hana ƙarin iskar oxygen da ƙungiyoyin hydroxyl don samar da ketones ko hydroxic acid.Masana'antar taki don samar da kyandir, boron mai dauke da taki.Ana amfani dashi azaman reagen sinadari na nazari don shirya buffer da kafofin watsa labarai daban-daban don kiwo haploid.


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