Potassium sulfide

Potassium sulfide remubatanidzwa chinhu sekristaro chimiro singonicheskoy pasina ruvara. Its utsotso nguva vakaenzana 948 ° C, kana chaiyo fuma arambe achirema 1,805 g / cm3 (the arambe achirema yakaiswa pa mureza tembiricha 14 ° C). The crystals nyore soluble mune aqueous mhinduro uye vane yakakwirira hygroscopicity. Uyezve, potassium sulfide iri hydrolyzed, soluble mu glycerol uye panyaya iyi. Kana kuwadzana navo panguva siyana vakaumba dihydrates uye topotecan anomiririra Hauoneki crystals, anozivikanwa H0obr kukosha, ukuwo, uye -984,5 -1880,0 KJ / mol.

The fuma iri nyore chaizvo kuvhura mhepo oxidation, nokudaro achiumba K2S2O3, uye anosunungurwa panguva combustion SO2. Potassium sulfide rakagadzirirwa vane yemaitiro K2S, K2CO3 kuita nesarufa, saka zviri pakuraramisa maitiro kuti dzakakudzingai inflow mhepo. Zvinokwanisika kuwana fuma uye rutapudzo maitiro, carbon kuita pamusoro munyu K2SO4.

Potassium sulfide rinoshandiswa nevakawanda sechinhu chinokosha pakuderedza muna photosensitive emulsion uye coatings bhizimisi nemifananidzo. In kwemakemikari mukugadzira kushandisirwa inobva kukwanisa kuita reagent basa kuparadzana siyana simbi sulfides. Kushandiswa muna Whitehead Textile nematehwe Mazinga kunoratidzwa potassium sulfide kwebasa rinofanira nzira chikuru kurapwa chamatebwe amatenhe.

Mune KHS hydrosulfide kana polysulfide zvinhu yaishandiswa ruzivo sulfiding ferro alloys, vakakanda simbi uye simbi. Vakawanda kushandiswa mune zvaAtemisi medicaments nekuda pakurapa siyana ganda zvirwere. Agricultural basa potassium sulfide - kushandiswa as a tupukanana.

Kazhinji, potassium sulfide chaizvo nyore nzira. To ichi yakavhenganiswa nokukurumidza madota nesarufa uye potassium carbonate. muvhenganiswa uyu akabva zvazvichanyungudutswa mvura uye akabika kwemaawa anoverengeka. Somugumisiro nzira iyi aumbwa potassium polysulfide. Zvadaro, kubva anokonzerwa mhinduro kuburikidza Sefa akabvisa precipitate karusiyamu carbonate, uye kugadzirisa Ipwa inozviitira asati kusvika dzakananga kurema 1.25-1.30. Pakupedzisira, mhinduro yakanga mberi admixed pamwe shoma nesarufa, neshungu zvakare, uye pashure kutonhora uchidururwa.

Potassium sulfide inotungamirwa kunoitika quantitatively, asi chakadaro maitiro aibuda iri pakuraramisa zvishoma chaizvo kwemvura pamusoro NH3 mhute kuburikidza kumicheto riri pre-vakazadzwa vanofanira potassium hydroxide. Somugumisiro, maitiro yaifanira nemazvo kupa Hauoneki amoniya mhinduro uye precipitate chena inova potassium sulfide.

The zvichiguma zvinhu yaiva panzvimbo refu nguva zvinokosha kupomba panze chaiwo mafuta pombi, uye zvino calcined panguva tembiricha kuti 400-500 ° C. Kazhinji, pashure kuti vakawana crystals pazvo dzogayiwa uye ndakanatswa senitrogen pamuedzo zvibereko vacuüm it.

The zvichiguma hydrolysis potassium disulfide ari guruva rinopfumburwa yero ruvara, ayo payakavakirwa - K2S2. The samolecular kurema fuma iri 142,327 amu Pamusangano tembiricha kuti 477 ° C disulphide kunotanga kunyunguduka pa 600 ° C nayo uchiora.

Potassium sulfide iri vakaita zvakasiyana-siyana zvine chepfu. Somuenzaniso, pamusoro maitiro pamwe chikuru alkyl halides vari kuwanikwa zvakafanana, ichibata dialkyl sulfides. Uyewo vakavhengana zvingaitwa kuti potassium sulfide pamwe siyana mhinduro (kunyanya - hromokalievyh uye potashi) alum.

Kwezvokurapa zvinangwa potassium sulfide mukuru kutsvinda. In indasitiri ino ngachipiwe nokuda zvakasiyana anopisa, izvo kugadzirira kubva musanganiswa nefuma pacharo, ayo hydroxide nesarufa. Simba marasha wezvokurapa kunoitika muna inokosha yamavira panguva tembiricha kwete kuvatumwa 800 - 900 ° C. Zvino kubviswa sarufa yeimwe uye laundering kuti kuiisa chlorine Ion ndiyo hydrochloric acid.