Izindaba UmphakathiUhlobo

Itshe talc nge izakhiwo esiyingqayizivele

Phakathi ngokuvamile amaminerali atholakala izakhiwo ezinjalo zihamba phambili hhayi kuphela umkhakha, kodwa futhi imithi kanye izimonyo. Lezi zihlanganisa i-talc. Leli tshe akwaziwa njengoba mineral, futhi njengoba i-powder izingane.

Okumangazayo ukuthi, kodwa ngokwemvelo ke mhlawumbe yesibili evamile ngemva rocks asebenza ngebhethri. Kufanele kuqashelwe ukuthi talcum - itshe kuphela izinhlobo indawo-grained, ngokuvamile ebizwa ngokuthi soapstone.

umbala wayo kuhluka oluhlaza iba mhlophe okumsulwa, kungakhathaliseki umbala ke kuphawuleka for esibenyezelayo yayo sheen. He is soft kakhulu uthinte bese unika umbono lubricity. Ngokwe- Mohs ubulukhuni is esikalini njengoba "1" (okungenani).

Njengoba sazi-ke - kungcono oily powder amaqhafuqhafu, okuthiwa "talc". Leli tshe zisakazwa ngoba nemibandela lasungulwa nokwakheka sasivumela ejwayelekile.

Ukukhuluma ngokwesayensi, igama layo chemical - magnesium omuncu metasilicate H2Mg3 (SiO3) 4. Crystallization lwenzeka ngesikhathi rhombic yayo noma uhlobo monoclinic. Emvelweni, sitholakale zokwakheka leaf emise noma luyimbudumbudu.

Kusukela iphuzu Geological umbono, talc - mineral yesibili kuye kwamiswa emva ukuguqulwa amakhemikhali bezalyuminievyh magnesium silicates. Ngokuvamile baye bathi sebeshintshe ngokuphelele ezifana asitholayo amphibole noma pyroxene.

Isikhathi esining impela, ngokubukeka kungaba kuphithene ne "umzali", njengoba kugcina ngokugcwele yayo isakhiwo crystalline, ezingafani kuphela chemical yabo kwengoma.

I talc kakhulu esifanayo, ogama sithombe ephepheni, ilinganiselwa ngenxa yebala salo: mhlophe ngayo, kulapho ziphoqa impahla. Kufanele kuqashelwe ukuthi umkhakha osebenza talc ngomzuzu kuphela, izinga liphezulu kakhulu phansi.

Angicabangi uma le nto itholakala imvelo kuphela ngesimo esisodwa. Kunezinhlobo eziningana zezinto eziphilayo yayo nemikhuba yazo ihluke kakhulu e chemical yabo ukwakheka kanye izakhiwo ngokomzimba:

  • Minnesotaite (iqukethe-50% yensimbi).
  • Villemseit (kuhlanganisa ne-nickel).
  • Steatite (okuyinto evame ukubizwa ngokuthi wen), libhekene i isakhiwo obukhulu kakhulu futhi eliqinile.
  • Malaga. Ngokungafani nomanduleli wawo, kuba fibre esihle kakhulu.
  • talc Noble: okuhamba phambili uhlobo, lapho ababenengqondo emhlophe.

Iningi talc misela e-United States. Ngo omningi lokhu zohlobo yasungulwa e-Brazil, eNingizimu Korea, eJapan neRussia.

Ngakho kanjani ukusebenzisa talcum powder? Leli tshe isetjentiswe njengoba powder, "spacers" phakathi kwezinto iraba, njengoba yamathebhu, futhi sisetshenziswa kabanzi nge bamakha ukudala izinhlobo ezintsha powder.

Kuphela kufanelekile kakhulu ukudalwa ezinhle kunazo yalolu hlobo izimonyo. By endleleni, sebenzisa kuphela abathungi professional 'wokulinganisa, ogxile yonke talc efanayo. Imboni kulungile izinhlobo zalo asetshenziswa womshini insulators kagesi.

By the way, kungakanani talc? Kuze kube manje, intengo imayelana 1000 Roubaud kilogram of izinga okusezingeni impahla nepepper ngayinye.

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