Tsela ea ho lokisetsa tharollo ea metsi ya chloride ferric

Tšepe chloride (III) ka tharollo 'mala sootho ka ka lokisoa ka laboratoring kapa lapeng. Hloka mocheso manganga bao e seng metallic cookware le hloekileng chesang metsi (phehiloeng kapa distilled). Mora dissolving le lokisa fellang kateng lefifi sootho metsi. Ho na le a 'maloa a makgetha a ho ya ba lokisetsa ho ea ferric tharollo chloride, e leng lokela tseba pele a qala mosebetsi oa le eena.

ferric chloride

Anhydrous ferric chloride, hlahisoang ke indasteri ea lik'hemik'hale e - FeCl ₃ - kristale lefifi sootho le shades ea khubelu, pherese, lefifi tala. Molare boima - 162,21 g, / Mol. Ntho qhibiliha ka mocheso oa 307,5 ° C, ka 500 ° C qala ho bola. Ka 100 g ya metsi a qhibiliha boima ba letsoai anhydrous:

• 74,4 g, (0 ° C);
• 99 g, (25 ° C);
• 315 g, (50 ° C);
• Ka 536 g, (100 ° C).

Anhydrous ferric chloride (III) - hygroscopic boleng ba sebele ka potlako o hohela mongobo ho tswa ho tikoloho e potolohileng. Ka moea a leka ka metsi le ho retelehela ka kristale bosehla hexahydrate FeCl ₃ + 6H ₂ O. _The karoloana boima ba anhydrous ferric chloride ka ntho, fumaneng khoebo, ho fihla 95%. Ho na le e nyenyane ea chloride ferrous FeCl ₂ le litšila insoluble. Trade lebitso - "Ferric chloride." The ntho ea mollo le phatloha, empa tharollo lona e na le phello e senyang ka beha dintho tšepe.

Ferric chloride hexahydrate (III)

Ho feta moo indasteri hlahisa anhydrous bonaletsang boima karoloana ferric ho eona (III) ke 60%. ntho e ke bosehla sootho bonaletsang boima kapa hlephileng likotoana tsa 'mala o tšoanang. E le karolo ea bohlokoa ea ions le ferric tšepe - mala. Bakeng sa ka tekanyo e sa ho kena moea oa Fe ²⁺ ke bath botala, hydrated ferric chloride hexahydrate - putsoa-tala tiileng. The ho kena moea Fe ³⁺ ions fumana 'mala ho tloha mosehla ho sootho. Bakeng sa boikemisetso ba boleng tsa ho ferric tharollo chloride ke reagents:

• NaOH (bonahala sootho precipitate Fe (OH) _3);
• K ₄ [Fe (CN) _6] (precipitate bonahala KFe [Fe (CN) _6], e putsoa);
• KCNS, NaCNS (ferric thiocyanate thehoa Fe (CNS) ₃ khubelu).

E le hlapolla ferric chloride

tšepe (III) chloride e le 'mala o sootho kapa e khubelu ea tharollo e ka fumanoa marangrang khoebong, se lokiselitsoeng ka laboratoring kapa lapeng. Tabeng ya moraorao tjena, e hlile hloka mocheso manganga lik'hontheinara bao e seng metallic (khalase, polasetiki, ceramic). Metsi ho qhala letsoai ka nkoa ho tswa ho o tlanye. Safety - phehiloeng kapa distilled. Futhumalletsa metsi 50-70 ° C ile kenngoa ka setshelo 'me joale tšela ka likarolo tse nyenyane ntho. The boholo ba chloride ferric le metsi - 1: 3. Ha u lokisetsa tharollo ea bonaletsang, ebe metsi a hlokahala ka tlaase ho moo, hobane ho tse bonaletsang hydrate (40% ka boima ba 'mele). Ntho e phaella ka ho re ho ea tharollo hanyane ka hanyane, e mong le e ho sebeletseng - ka 5-10 g, Hang-hang tšela ea Qhaneha kaofela e sa kgothaletswa ka lebaka la ho sebopeho e potlakileng ea le hydration itšoara joang. U ke ke ua sebelisa lisebelisoa tsa tšepe (akarelletsang likhaba le, spatulas). Letsoai e lokela ho ka ho feletseng qhibiliha ka metsi a futhumetseng ho tse kristale e lokela ho ba hantle e tsoakiloeng le mokelikeli ka. Bo eketsa tlaleletsa ka acid e hydrochloric (1/10 ke boima ba 'mele ea kristale ea). Ka mor'a ho ema ka lihora tse 'maloa ho ea botlaaseng ba precipitate ho ka' na etsahala ka lebaka la ho ba teng ka teko le kabelo le sebopeho sa hydroxide tšepe nakong itsoara joang ka ea. E tlhotliloeng setokong tharollo ke lefifi sootho le bolokwa ka tiisitsoe setshelo polasetiki ka mocheso ka tsela e itekanetseng 'me ho ba sieo ha khanya ea letsatsi ka ho toba.

Tshebediso ya chloride ferric le bosebeletsi ba liindastering. sebelisoa malapeng

Tšepe letsoai sebelisoa masimong tse ngata. trivalent tšepe chloride e sebediswa bakeng sa kalafo ya metsi, tšepe, 'me lokisa enke. The ntho e sebediswang tswakana liindasteri manyolo (sethothetsi, oxidant). Haholo-holo o ile a batla ka mor'a coagulating thepa Ion Fe ³⁺ ka tlhoekiso ea effluents masepala le indasteri. Tlas'a bohato la chloride ferric likaroloana o motle insoluble coalesce le precipitate litšila. Hape karolo ea tlamme tsa contaminants qhibilihang ka har'a ba tlosoa ka dimela kalafo metsi a likhoerekhoere. The bonaletsang le letsoai anhydrous FeCl ₃ li sebelisoa le thulaganyo ya mananose tšepe lipoleiti. Ntho e phaella ka ho re ho ea ka konkreiti ho matlafatsa matla tsa lona.

liketsahalo tsa lik'hemik'hale ka mananose mapolanka oa potoloho. mehato tshireletso

Popular lik'hemik'hale ntho bakeng mananose mapolanka hatisitsoeng oa potoloho - ferric chloride. A tharollo bakeng sa morero ona o lokiselitsoeng ho tloha lik'hilograma 0,150 tsa letsoai le litha e le nngwe 0,200 tsa metsi a futhumetseng. E na le ions Fe ^3+, CL ^-, le komponeng thehoa ke hydrolysis sootho - ferric hydroxide. The tsoela thulaganyou e latela ho rera ya: FeCl ₃ + 3HOH↔ Fe (OH) ₃ ⁺ 3Cl ^- + 3H +. The bozangi litomba ke ho silafatsoa ha byproducts itsoara joang ka boto eo thatafatsa mananose eketsehileng. Letsoai ka boeona e - e le batho bao e seng hloka botsitso ntho, empa ba ntse ba tsoela sebelisana le lingoliloeng metsi mouoane senyang. mosebetsi o lokela ho ho phethahatsoa ka tse bulehileng kapa ka kamoreng e hantle ventilated. Iteanye le tharollo ho letlalo le lera la mucous fella ka ho teneha le ho ka etsa hore dermatitis. Hoa hlokahala ho sebelisa thepa ea botho sireletsang (goggles, liatlana). Ka ho ikopanya le tharollo caustic ke ho hlokahala hore ho hlatsoa letlalo le metsi a mangata.