Calcium chloride gishiri ne wanda ions chloride da ions calcium suka samar.Anhydrous calcium chloride yana da karfi danshi sha, amfani da matsayin desiccant ga daban-daban abubuwa, ban da hanya kura, ƙasa inganta, refrigerant, ruwa tsarkakewa wakili, manna wakili.Yana da wani yadu amfani sinadaran reagent, Pharmaceutical raw kayan, abinci Additives, ciyar Additives da albarkatun kasa domin yi na karfe alli.
Kaddarorin jiki na calcium chloride
Calcium chloride crystal ne mara launi mai siffar sukari, fari ko fari-fari, granular, toshe saƙar zuma, spheroid, ƙwanƙolin da bai dace ba, foda.Matsayin narkewa 782 ° C, yawa 1.086 g/mL a 20 ° C, wurin tafasa 1600 ° C, ruwa mai narkewa 740 g/L.Dan kadan mai guba, mara wari, ɗanɗano mai ɗaci.Matsananciyar hygroscopic da sauƙi a shayar da shi lokacin da aka fallasa shi zuwa iska.
Sauƙi mai narkewa a cikin ruwa, yayin da yake sakin babban adadin zafi (calcium chloride dissolution enthalpy of -176.2cal/g), maganin ruwan sa yana ɗan ɗanɗano acidic.Mai narkewa a cikin barasa, acetone, acetic acid.Yin amsawa tare da ammonia ko ethanol, CaCl2 · 8NH3 da CaCl2 · 4C2H5OH an kafa hadaddun, bi da bi.A low zafin jiki, da bayani crystallizes da precipitates a matsayin hexahydrate, wanda a hankali narkar da a cikin nasa crystal ruwa ruwa a lokacin da mai tsanani zuwa 30 ° C, kuma a hankali rasa ruwa a lokacin da mai tsanani zuwa 200 ° C, kuma ya zama dihydrate lokacin da mai tsanani zuwa 260 ° C. , wanda ya zama farin porous anhydrous calcium chloride.
Anhydrous calcium chloride
1, kaddarorin jiki da sinadarai: crystal mara launi, farin ko kashe-kashe-tsalle mai kauri ko granular m.The dangi yawa ne 2.15, da narkewa batu ne 782 ℃, tafasar batu ne a sama 1600 ℃, da hygrhygability ne sosai karfi, sauki delix, sauki narke a cikin ruwa, yayin da sakewa mai yawa zafi, wari, dan kadan m dandano, da ruwa bayani ne dan kadan acidic, mai narkewa a cikin barasa, acrylic vinegar, acetic acid.
2, amfani da samfur: Yana da wani hazo wakili don samar da launi lake pigments.Samar da nitrogen, acetylene gas, hydrogen chloride, oxygen da sauran desiccant gas.Alcohols, ethers, esters da acrylic resins ana amfani da su azaman masu rage ruwa, kuma maganin su na ruwa yana da mahimmancin refrigerants don firiji da firiji.Yana iya hanzarta hardening na kankare, ƙara sanyi juriya na siminti turmi, kuma shi ne mai kyau antifreeze wakili.An yi amfani da shi azaman wakili na kariya don aluminum magnesium metallurgy, wakili mai tacewa.
Ya ƙunshi calcium chloride
1, kaddarorin jiki da sinadarai: crystal mara launi, wannan samfurin fari ne, farar kristal.Daci mai ɗaci, ƙaƙƙarfan ɓacin rai.
Its dangi yawa ne 0.835, sauƙi mai narkewa a cikin ruwa, ta ruwa bayani ne tsaka tsaki ko dan kadan alkaline, m, mai narkewa a cikin barasa da insoluble a cikin ether, kuma dehydrated cikin anhydrous al'amari lokacin da mai tsanani zuwa 260 ℃.Sauran sinadarai suna kama da calcium chloride anhydrous.
2, aiki da amfani: flake calcium chloride amfani da matsayin refrigerant;Wakilin hana daskarewa;Ruwan ƙanƙara ko dusar ƙanƙara;Ƙunƙarar wuta don ƙarewa da kuma ƙare kayan auduga;Abubuwan kiyaye itace;Samar da roba a matsayin wakili mai nadawa;Ana amfani da sitaci da aka gauraya azaman wakili mai gluing.
Calcium chloride maganin ruwa
Calcium chloride bayani yana da halaye na conductivity, ƙananan daskarewa batu fiye da ruwa, zafi dissipation a lamba tare da ruwa, kuma yana da mafi alhẽri adsorption aiki, da ƙananan daskarewa batu za a iya amfani da a iri-iri na masana'antu masana'antu da kuma jama'a wuraren.
Matsayin maganin calcium chloride:
1. Alkaline: Calcium ion hydrolysis shine alkaline, kuma hydrogen chloride yana canzawa bayan chloride ion hydrolysis.
2, conduction: akwai ions a cikin maganin da ke iya motsawa cikin yardar kaina.
3, daskarewa batu: Calcium chloride bayani daskarewa batu ya kasa da ruwa.
4, tafasar batu: Calcium chloride ruwa bayani tafasar batu ya fi ruwa.
5, Ƙaƙƙarfan evaporation: Calcium chloride aqueous bayani evaporation crystallization zama a cikin wani yanayi mai cike da hydrogen chloride.
Desiccant
Calcium chloride za a iya amfani da shi azaman desiccant ko dehydrating wakili ga gas da Organic ruwaye.Duk da haka, ba za a iya amfani da shi don bushe ethanol da ammonia ba, saboda ethanol da ammonia suna amsawa tare da calcium chloride don samar da hadaddun barasa CaCl2 · 4C2H5OH da ammoniya hadaddun CaCl2 · 8NH3, bi da bi.Anhydrous calcium chloride kuma za a iya sanya a cikin gida kayayyakin amfani a matsayin iska hygroscopic wakili, anhydrous calcium chloride a matsayin ruwa sha wakili an amince da FDA don ado da taimakon farko, da rawa shi ne don tabbatar da bushewar rauni.
Saboda sinadarin calcium chloride ba shi da tsaka-tsaki, yana iya shanya iskar acidic ko alkaline gas da ruwayen ruwa, amma kuma a dakin gwaje-gwaje yakan yi kadan na iskar gas kamar nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide, carbon dioxide, nitrogen dioxide, da dai sauransu. ., a lokacin bushewa wadannan iskar gas.Ana amfani da granular anhydrous calcium chloride sau da yawa azaman desiccant don cika busassun bututu, kuma ana iya amfani da katuwar algae (ko ash na ruwan teku) bushe da calcium chloride don samar da ash soda.Wasu masu dehumidifiers na gida suna amfani da calcium chloride don ɗaukar danshi daga iska.
Calcium chloride mai anhydrous yana bazuwa akan saman yashi mai yashi, kuma ana amfani da kayan hygroscopic na anhydrous calcium chloride da ake amfani da shi don tara danshi a cikin iska lokacin da zafin iska ya yi ƙasa da raɓa don kiyaye saman titin, don sarrafa shi. kura a hanya.
Deicing wakili da sanyaya wanka
Calcium chloride zai iya rage wurin daskarewa na ruwa, kuma yada shi a kan hanyoyi na iya hana daskarewa da dusar ƙanƙara, amma ruwan gishiri daga narkewar dusar ƙanƙara da ƙanƙara na iya lalata ƙasa da ciyayi a kan hanyar kuma ya lalata simintin katako.Hakanan za'a iya haɗa maganin Calcium chloride da busasshen ƙanƙara don shirya wanka mai sanyaya cryogenic.Ana ƙara busasshen ƙanƙara a cikin maganin brine a cikin batches har sai kankara ya bayyana a cikin tsarin.Za'a iya kiyaye tsayayyen zafin jiki na wanka mai sanyaya ta nau'ikan nau'ikan da yawa na maganin gishiri.Calcium chloride gabaɗaya ana amfani da shi azaman ɗanyen gishiri, kuma ana samun kwanciyar hankali da ake buƙata ta hanyar daidaita taro, ba wai kawai don calcium chloride yana da arha da sauƙin samu ba, har ma saboda yanayin eutectic na maganin calcium chloride (wato, zafin jiki a lokacin da bayani ne duk condensed don samar da granular kankara gishiri barbashi) ne quite low, wanda zai iya kai -51.0 ° C, don daidaita yanayin zafi kewayon daga 0 ° C zuwa -51 ° C. Wannan hanya za a iya gane a Dewar. kwalabe tare da tasirin rufewa, kuma ana iya amfani da su a cikin kwantena filastik gabaɗaya don riƙe da wanka mai sanyaya lokacin da ƙarar kwalabe na Dewar ya iyakance kuma ana buƙatar ƙarin mafita na gishiri da ake buƙatar shirya, a cikin wannan yanayin yanayin kuma ya fi kwanciyar hankali.
A matsayin tushen calcium ions
Ƙara sinadarin calcium chloride zuwa ruwan wanka na iya sanya ruwan tafki ya zama buffer pH da kuma ƙara taurin ruwan tafkin, wanda zai iya rage rushewar bangon siminti.Bisa ga ƙa'idar Le Chatelier da tasirin isoionic, ƙara yawan adadin ions na calcium a cikin ruwan tafkin yana rage jinkirin rushewar mahadi na calcium waɗanda ke da mahimmanci ga simintin simintin.
Ƙara Calcium chloride zuwa ruwa na Marine aquariums yana ƙara yawan adadin calcium mai samuwa a cikin ruwa, kuma mollusks da dabbobin dabbar da ke tasowa a cikin aquariums suna amfani da shi don samar da harsashi na calcium carbonate.Ko da yake calcium hydroxide ko calcium reactor na iya cimma wannan manufa, ƙara calcium chloride shine hanya mafi sauri kuma yana da ƙarancin tasiri akan pH na ruwa.
Calcium chloride don sauran amfani
Halin narkar da yanayi na alli chloride ya sa a yi amfani da shi a cikin gwangwani masu dumama kai da dumama.
Calcium chloride zai iya taimakawa wajen hanzarta saitin farko a cikin kankare, amma ions chloride na iya haifar da lalata sandunan ƙarfe, don haka ba za a iya amfani da sinadarin calcium chloride a cikin simintin ƙarfafa ba.Anhydrous calcium chloride na iya samar da wani ɗanɗanon danshi zuwa kankare saboda abubuwan da yake da shi na hygroscopic.
A cikin masana'antar man fetur, ana amfani da sinadarin calcium chloride don ƙara yawan ɗimbin brine maras ƙarfi, kuma ana iya ƙarawa zuwa lokacin ruwa mai ruwa na emulsified hako ruwa don hana faɗaɗa yumbu.Ana amfani da shi azaman juzu'i don rage wurin narkewa a cikin tsarin samar da ƙarfe na sodium ta hanyar narkewar lantarki na sodium chloride ta hanyar Davy.Lokacin da ake yin yumbu, ana amfani da sinadarin calcium chloride a matsayin ɗaya daga cikin abubuwan da aka gyara, wanda zai ba da damar a dakatar da barbashin yumbu a cikin maganin, ta yadda yumbun ya fi sauƙi a yi amfani da shi lokacin da ake grouting.
Calcium chloride kuma ƙari ne a cikin robobi da masu kashe gobara, a matsayin taimakon tacewa a cikin sharar gida, azaman ƙari a cikin tanderun fashewa don sarrafa haɗawa da manne da albarkatun ƙasa don gujewa daidaita cajin, kuma azaman diluent a cikin masana'anta softeners. .
Lokacin aikawa: Maris 19-2024
