Is Sulfur Hexafluoride Chepfu?

Sulfur hexafluorideis an inorganic compound ine chemical formulaSF6. Igasi rakagadzikana risina ruvara, risinganhuhwi, risingabatike patembiricha yekamuri uye kumanikidzwa. Huremu hwayo hwemamorekuru i146.055. Density yaro ndeye 6.0886 kg/m3 pa20 ° C uye 0.1 MPa, iyo inenge 5 times density yemhepo. The molecular chimiro chesarufa hexafluorideis octahedral, ine chinhambwe chidiki chekubatanidza uye yakakwirira bonding simba. Nokudaro, ine kugadzikana kwepamusoro. Kana tembiricha isingapfuure 180 ° C, kuenderana kwayo nemagetsi ekugadzirisa zvinhu kwakafanana neye nitrogen.

Issarufa hexafluoridezvine chepfu? Puresarufa hexafluorideigasi inert inoora pasi pekuita kwearc yemagetsi. Kana tembiricha iri pamusoro pe4000K, zvigadzirwa zvakawanda zvekuora maatomu esarufa nefluorine. Mushure mokunge arc yadzimwa, zvizhinji zvezvigadzirwa zvekuora zvinosangana zvakare mukugadzikanasarufa hexafluoridemamorekuru. Munguva yekubatanidzwazve, chidimbu chidiki chezvigadzirwa zvekuora chinopindirana nemaatomu esimbi emahara, mvura neokisijeni kuumba metal fluorides uye fluorides yeokisijeni nesarufa. Rinisarufa hexafluorideinoshandiswa mumidziyo yemagetsi, inogona kuora kubva muokisijeni nesarufa pasi pemamiriro ekutadza kana kutyora arcs zvakajairika uye inogadzira fluoride nesimbi fluoride poda.

Zvakaitika zvakaratidza kuti kunyangwe munzvimbo dzine zvidiki zvishoma zvezvigadzirwa zvekuora, vashandi vanogona kunzwa kunhuwa kunorwadza kana kusingafadzi uye kushatirwa kukuru kumhino, muromo nemeso. Kuita uku kunoitika mukati memasekonzi mashoma kusati kwaitika huturu huri pachena.

Rinisarufa hexafluoridechepfu inoitika, inowanzoitika nekuda kwekuparara kwayo ne-high-voltage arcs mumidziyo yemagetsi. Naizvozvo, yakachenasarufa hexafluoridehaina chepfu, asi tinofanira kungwarira zvinhu zvine chepfu zvakaorasarufa hexafluoride. Saka, ndezvipi zvinhu zvine chepfu zvakaorasarufa hexafluoridegasi mumidziyo yemagetsi?

1. Zvimwe zvinhu zvine chepfu zvinogadzirwa nesarufa hexafluoridegasi mumidziyo yemagetsi kana yakakwirira-tembiricha arc inoitika.
2.Sulfur hexafluoridegasi uye zvigadzirwa zvekuora mumidziyo yemagetsi zvinosangana nemagetsi (copper-tungsten alloy) uye simbi zvinhu (aluminium, mhangura) kugadzira zvimwe zvinhu zvine chepfu.
3. Zvigadzirwa zvekuora zvesarufa hexafluoridegasi riri mumidziyo yemagetsi inopindirana nemvura mazviri kuti ibudise zvinhu zvine chepfu.
4.Sulfur hexafluoridezvigadzirwa hazvina kuchena uye zvine muchetura wakaderera-sarufa fluorides, hydrogen fluoride uye mamwe magasi ane muchetura paunobuda mufekitori.
5.Sulfur hexafluoridegasi uye zvigadzirwa zvekuora mumidziyo yemagetsi zvinosangana nezvinhu zvinodzivirira kuti zvigadzire zvimwe zvinhu zvine chepfu, senge epoxy phenolic fiberglass machira mabhodhi (tsvimbo, machubhu) ane silicon yezvikamu zvinodzivirira; kana epoxy resin castings, molded parts, porcelain bottles, silicone rubber, silicone grease, etc. Nejecha requartz uye girazi semafirita, maitiro emakemikari anoitika kuti agadzire zvigadzirwa zvakadai seSiF4 neSi (CH3) 2F2.