Sin Lithium hydride CAS 7580-67-8 99% tsarki a matsayin rage wakili masana'antu da masana'antu

Lithium hydride CAS 7580-67-8 99% tsabta a matsayin mai rage wakili

Lithium hydride CAS 7580-67-8 99% tsarki azaman wakili mai ragewa

Takaitaccen Bayani:

Sunan Chemical: Lithium hydride

CAS:7580-67-8

MF: LH

MW: 7.95

Tsafta: 99% min

Bayyanar: Kashe-fari crystalline foda

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Cikakken Bayani

Tags samfurin

Bayanin Samfura

Lithium hydride ba shi da fari zuwa launin toka, mai jujjuyawa, ƙaƙƙarfan ƙaƙƙarfan wari ko farin foda wanda ke yin duhu da sauri a kan fallasa haske. Nauyin kwayoyin halitta = 7.95; Ƙayyadaddun nauyi (H2O: 1) = 0.78; Matsayin tafasa = 850 ℃ (bazuwa a ƙasa BP); Daskarewa/Mataki narke = 689 ℃; Yanayin zafin jiki na atomatik = 200 ℃. Haɗarin Ganewa (dangane da NFPA-704 M Rating System): Lafiya 3, Flammability 4, Reactivity 2. Ƙarfin mai ƙonewa wanda zai iya haifar da girgije mai iska wanda zai iya fashewa akan hulɗa da harshen wuta, zafi, ko oxidizers.

Abubuwan Samfura

Lithium hydride (LiH) wani gishiri ne na crystalline (cubic mai fuskantar fuska) wanda yake fari a cikin tsaftataccen tsari, A matsayin kayan aikin injiniya, yana da kaddarorin sha'awa a cikin fasaha da yawa. Misali, babban abun ciki na hydrogen da nauyi mai nauyi na LiH ya sa ya zama mai amfani ga garkuwar neutron da masu daidaitawa a cikin tashoshin makamashin nukiliya. Bugu da ƙari, zafi mai zafi na haɗuwa tare da nauyi mai nauyi ya sa LiH ya dace da kafofin watsa labaru na zafin rana don hasken rana a kan tauraron dan adam kuma ana iya amfani dashi azaman zafi don aikace-aikace daban-daban. Yawanci, matakai don samar da LiH sun haɗa da sarrafa LiH a yanayin zafi sama da wurin narkewa (688 DC). Nau'in 304L bakin karfe ana amfani dashi don yawancin kayan aikin aiwatar da sarrafa narkakkar LiH.

Lithium hydride shine nau'in hydride na yau da kullun tare da cations lithium da hydride anions. Electrolysis na narkakkar abu yana haifar da samuwar ƙarfe na lithium a cathode da hydrogen a anode. Halin ruwa na lithium hydride, wanda ke haifar da sakin iskar hydrogen, shi ma yana nuni ne da cajin hydrogen mara kyau.

Lithium hydride ba shi da fari zuwa launin toka, mai shuɗewa, ƙaƙƙarfan ƙaƙƙarfan wari ko farin foda wanda ke yin duhu da sauri kan fallasa haske. Lithium hydride mai tsabta ya zama marasa launi, lu'ulu'u masu siffar sukari. Samfurin kasuwanci yana ƙunshe da alamun ƙazanta, misali, ƙarfen lithium wanda ba a kunna shi ba, kuma saboda haka yana da haske launin toka ko shuɗi. Lithium hydride yana da ƙarfi sosai, kasancewar shine kawai ionic hydride wanda ke narkewa ba tare da bazuwa ba a matsin yanayi (mp 688 ℃). Ya bambanta da sauran alkali karfe hydrides, lithium hydride ne dan kadan mai narkewa a cikin inert iyakacin duniya Organic kaushi kamar ethers. Yana samar da gaurayawan eutectic tare da adadi mai yawa na gishiri. Lithium hydride yana da ƙarfi a cikin busasshiyar iska amma yana ƙonewa a ƙarin zafin jiki. A cikin iska mai laushi an sanya shi hydrolyzed exothermically; kayan da aka raba su na iya kunna wuta ba tare da bata lokaci ba. A matsanancin zafin jiki, yana amsawa da oxygen don samar da lithium oxide, tare da nitrogen don samar da lithium nitride da hydrogen, tare da carbon dioxide don samar da lithium formate.

Aikace-aikace

Ana amfani da lithium hydride a cikin kera lithium aluminum hydride da silane, a matsayin wakili mai ƙarfi mai ragewa, azaman ma'auni a cikin haɗaɗɗun kwayoyin halitta, azaman mai ɗaukar hoto na hydrogen, kuma azaman kayan kariya na nukiliya mara nauyi. Yanzu ana amfani da shi don adana makamashin zafi don tsarin wutar lantarki.

Lithium hydride crystal ne mai launin shuɗi-fari wanda yake da ɗanɗano. An yi amfani da shi azaman tushen iskar hydrogen wanda aka 'yantar lokacin da LiH ya jike. LiH shine mafi kyawun bushewa kuma wakili mai ragewa da kuma garkuwa da ke ba da kariya daga radiation da halayen nukiliya suka haifar.

Shiryawa & Ajiya

Shiryawa: 100g / gwangwani gwangwani; 500 g / gwangwani gwangwani; 1 kg a kowace gwangwani; 20kg a kowace ganga na ƙarfe

Ajiye: Ana iya adana shi a cikin gwangwani na ƙarfe tare da murfin waje don kariya, ko a cikin ganguna na ƙarfe don hana lalacewar inji. Ajiye a cikin keɓantaccen wuri, sanyi, busassun wuri mai kyau, kuma hana danshi sosai. Gine-gine dole ne su kasance da iskar iska da tsari ba tare da tara iskar gas ba.