Cov tshuaj thiab lub cev thaj chaw ntawm hlau

Hlau - ib tug zoo-paub tshuaj caij. Nws yog hais txog mus rau lub nruab nrab ntawm cov reactive hlau. Properties thiab daim ntaub ntawv ntawm hlau yuav tsum tau tham nyob rau hauv no tsab xov xwm.

Lub loj heev nyob rau hauv cov xwm

Muaj yog ib tug heev loj npaum li cas ntawm cov zaub mov, uas muaj xws li Ferrum. Ua ntej ntawm tag nrho cov, nws yog magnetite. Nws yog xya caum-ob per ib npib tooj yog ua los ntawm cov hlau. Nws tshuaj mis - Fe ₃ O _4. Qhov no mineral kuj hu ua magnetite. Nws muaj ib lub teeb grey xim nqaij daim tawv, tej zaum nrog ib tug maub grey mus rau dub nrog ib tug nws yog xim hlau ci. Nws loj tshaj deposit yog nyob rau hauv lub Urals nyob rau hauv lub CIS.

Tom ntej no mineral nrog ib tug high school cov hlau cov ntsiab lus - hematite - nws muaj xya caum feem pua ntawm no caij. Nws tshuaj mis - Fe ₂ O _3. Nws tseem hu ua hematite. Nws muaj ib cov xim ntawm liab-xim av rau liab-grey. Qhov loj tshaj plaws kuv nyob rau hauv lub CIS yog nyob rau hauv Kryvyi Rih.

Qhov thib peb mineral cov ntsiab lus FERRUM - limonite. Ntawm no hlau shestdesyat feem pua ntawm tag nrho cov ceeb thawj. Qhov no crystalline, i.e. nyob rau hauv nws cov siv lead ua ntxaij ntoo woven dej molecule, nws tshuaj mis - Fe ₂ O ₃ • H ₂ O. Raws li lub npe paub licas hais, qhov no mineral muaj ib tug daj-brownish xim, tej zaum xim av. Nws yog ib tug ntawm lub ntsiab Cheebtsam ntawm tej yam ntuj tso ochre thiab yog siv raws li ib tug xim. Nws tseem hu ua limonite. Qhov loj tshaj plaws qhov chaw ntawm tshwm sim - Crimea, lub Urals.

Lub siderite, qhov thiaj li hu ua siderite, plaub caug yim feem pua ntawm Ferrum. Nws tshuaj mis - FeCO _3. Nws qauv yog tsis homogeneous thiab muaj ib tug txawv xim yog kev cob cog rua ua ke muaju: txho, daj ntsuab, grey-daj, daj-xim av, thiab lwm tus neeg.

Cov yav tas yog feem ntau ib tug lawm tab sis mineral uas muaj cov ntsiab lus FERRUM - pyrite. Nws muaj ib tug tshuaj mis FeS _2. Hlau nyob rau hauv nws yog plaub caug-rau feem pua ntawm tag nrho cov ceeb thawj. Vim cov leej faj atoms ntawm cov mineral muaj ib tug Golden-daj xim.

Muaj ntau ntawm cov nais maum kuaj minerals siv los tsim ntshiab hlau. Nyob rau hauv tas li ntawd, hematite yog siv nyob rau hauv qhov siv thiab ua hniav nyiaj hniav kub los ntawm tej yam ntuj tso pob zeb. Pyrite inclusions yuav tsum tam sim no nyob rau hauv hniav nyiaj hniav kub los ntawm lapis lazuli. Nyob rau hauv tas li ntawd, qhov ntawm cov hlau nyob rau hauv cov muaj pes tsawg leeg uas muaj sia nyob - nws yog ib tug ntawm cov tseem ceeb tshaj plaws Cheebtsam ntawm lub cell. Qhov no kab keeb yuav tsum nkag mus rau tus tib neeg lub cev nyob rau hauv txaus kom muaj nuj nqis. Lam thaj chaw ntawm hlau yog lom zem ntau vim lub fact tias qhov no tshuaj caij yog lub hauv paus ntawm cov qe ntshav liab. Yog li ntawd, cov kev siv ntawm Ferrum yog zoo rau cov ntshav mob, thiab thiaj li tag nrho cov kab mob.

Kho vajtse: lub cev thiab tshuaj zog

Xav txog qhov kev txiav txim ntawm cov ob tug loj seem. Lub zog ntawm hlau - yog nws cov tsos, ceev, melting point, thiab lwm yam ntawd yog, tag nrho cov qhov txawv nta ntawm tshuaj uas yog txuam nrog rau physics ... Tshuaj thaj chaw ntawm hlau - yog nws muaj peev xwm yuav hnov mob nrog rau lwm cov tebchaw. Peb pib nrog cov thawj.

Lub cev thaj chaw ntawm hlau

Nyob rau hauv nws cov ntshiab daim ntawv ntawm ib txwm tej yam kev mob yog ib tug khoom. Nws muaj ib tug silver-grey xim nqaij daim tawv thiab ib tug cov lus hais nws yog xim hlau sheen. Txhua yam khoom xws li hlau theem ntawm hardness ntawm lub Mohs scale. Nws yog sib npaug zos rau plaub (average). Hlau muaj zoo hluav taws xob conductivity thiab thermal conductivity. Cov yav tas feature yuav tsum muaj los ntawm kov tau cov hlau yam khoom nyob rau hauv ib tug txias chav tsev. Vim qhov no cov ntaub ntawv uas ua thaum tshav kub kub sai sai, nws nyob rau hauv ib tug luv luv lub sij hawm ntawm lub sij hawm yuav siv sij hawm ib tug loj ib feem ntawm koj cov tawv nqaij, yog li ntawd koj hnov txias. Kov ub kov no, piv txwv li, mus rau tsob ntoo, nws yuav tsum tau muab sau tseg hais tias nws cov thermal conductivity yog tsawg. Lub cev thaj chaw ntawm hlau - uas nws melting thiab kub kub. Tus thawj yog 1539 degrees Celsius, thiab lub thib ob - 2860 degrees Celsius. Nws muaj peev xwm yuav xaus lus tias tus yam ntxwv thaj chaw ntawm hlau - zoo plasticity thiab fluidity. Tab sis hais tias yog tsis yog txhua txhua.

Tsis tas li ntawd nyob rau hauv lub cev thaj chaw ntawm hlau thiab ib feem ntawm nws yog ferromagnetic. Yuav ua li cas yog nws? Hlau, sib nqus thaj chaw ntawm uas peb pom nyob rau hauv cov tswv yim piv txwv txhua txhua hnub - lub xwb hlau uas muaj ib tug tshwj xeeb qhov txawv feature. Qhov no yog vim hais tias cov active khoom yog muaj peev xwm magnetized los ntawm lub magnetic teb. Thiab cov txiav ntawm lub xeem hlau, sib nqus thaj chaw ntawm uas twb cia li tau tsim, rau ib ntev lub sij hawm tseem muaj ib tug magnet nws tus kheej. Qhov no tshwm sim muaj peev xwm yuav piav los ntawm qhov tseeb hais tias cov qauv ntawm cov hlau yog tam sim no ib tug plurality ntawm free electrons, uas yog tau tsiv mus.

Nyob rau hauv cov nqe lus ntawm Science News for KIDS

Qhov no lub caij siv rau co nruab nrab kev ua si. Txawm li cas los, cov tshuaj lom hlau cov khoom muaj raug rau tag nrho lwm cov co (lwm yam tshaj li cov neeg uas yog mus rau sab xis ntawm lub hydrogen nyob rau hauv lub electrochemical series). Nws yog tau teb rau ntau cov chav kawm ntawm tshuaj.

Peb pib nrog tej yam yooj yim

Ferrum reacted nrog kilorodom, nitrogen, halogen (iodine, bromine, tshuaj chlorine ua, fluorine), phosphorus, carbon. Tus thawj tshaj plaws yuav tau xav txog - qhov tshuaj tiv thaiv nrog oxygenic. Thaum hlawv Ferrum nws oxides raug tsim. Nyob ntawm seb cov tshuaj tiv thaiv tej yam kev mob thiab cov proportions ntawm ob tog, lawv yuav tsum tau varied. Raws li ib qho piv txwv ntawm tej kev sib tshuam yuav ua nyob rau hauv cov nram no cov tshuaj tiv thaiv kab zauv: 2Fe + O ₂ = 2FeO; 4Fe + 3O ₂ = 2Fe ₂ O _3; 3Fe + 2O ₂ = Fe ₃ O _4. Thiab thaj chaw ntawm hlau oxide (ob lub cev thiab tshuaj) yuav varied, nyob ntawm seb nws ntau yam. Tej tshua tshwm sim nyob rau kev kub muaj peevxwm.

Tom ntej no - kev sis raug zoo nrog nitrogen. Nws tseem yuav tshwm sim xwb nyob rau hauv lub zwj ceeb ntawm cov cua kub. Yog hais tias peb coj rau moles hlau ib lub tias ntawm nitrogen tau ob moles hlau nitride. Cov tshuaj tiv thaiv kab zauv raws li nram no: 6Fe + N ₂ = 2Fe ₃ N.

Los ntawm cov tshuaj tiv thaiv nrog phosphorus yog tsim phosphide. Rau cov tshuaj tiv thaiv, xws Cheebtsam yog tsim nyog: peb Ferrum tias - ib lub tias ntawm phosphorus, yog tsim raws li ib tug tshwm sim ntawm ib tug tias phosphide. Cov kab zauv yuav sau raws li nram no: 3Fe + P = Fe ₃ P.

Tsis tas li ntawd, kev sis raug zoo kuj yuav raug rho tawm los ntawm cov elementary leej faj tshuaj tshua. Yog li ntawd nws yog ua tau rau tau sulfide. Lub hauv paus ntsiab lus nyob rau hauv uas tus txheej txheem ntawm tsim ntawm lub substance, uas zoo sib xws rau cov neeg piav saum toj no. Namely, muaj ib qho ntxiv cov tshuaj tiv thaiv. Rau tag nrho cov tshuaj cov kev sib tshuam ntawm no zoo yuav tsum tau tshwj xeeb tej yam kev mob, tsuas yog nyob rau hauv high school kub, yam tsawg kawg - catalysts.

Nws tseem yog ib qho nyob rau hauv lub tshuaj lag luam tshuaj tiv thaiv ntawm hlau thiab halogens. Qhov no chlorination, bromination, iodination, fluorination. Raws li lub npe nws tus kheej tshua, ib tug txheej txheem ntawm pub ntxiv tshaj qhov Ferrum atoms tshuaj atoms / bromine / iodine / fluoride tsim chloride / bromide / iodide / fluoride feem. Cov ntaub ntawv yog lug siv nyob rau hauv ib tug ntau yam ntawm industries. Tsis tas li ntawd, ferrum muaj peev xwm txuas nrog silicon sov siab. Vim lub fact tias cov tshuaj thaj chaw ntawm hlau muaj ntau yam, nws yog feem ntau siv nyob rau hauv lub tshuaj ua lag luam.

Ferrum thiab complex tshuaj

Los ntawm tej yam yooj yim tshuaj dhau mus rau lub lwg me me uas muaj ob los sis ntau sib txawv tshuaj ntsiab. Tus thawj tshaj plaws hais - Ferrum cov tshuaj tiv thaiv nrog dej. Muaj qhia lub yooj yim thaj chaw ntawm hlau. Thaum rhuab dej ua ke nrog hlau tsim yooj yim oxide (nws yog hu ua li ntawd vim hais nws cov ntaub ntawv ib tug hydroxide, nyob rau hauv lwm yam lus thaum interacting nrog cov dej ib yam - puag). Yog li ntawd, yog hais tias peb coj ib lub tias ntawm ob lub Cheebtsam yog tsim xws tshuaj raws li ferrum dioxide thiab hydrogen gas nrog ib tug pungent tsw - raws li nyob rau hauv hniav puas proportions ntawm ib tug rau ib. Cov kab zauv ntawm tej tshuaj yuav sau raws li nram no: Fe + H ₂ O = FeO + H _2. Nyob rau hauv lub proportions nyob rau hauv uas mus sib tov rau hauv lub ob lub Cheebtsam, ib tug yuav tau ib tug di- los yog hlau trioxide. Ob yam no cov neeg ua hauj yog heev nyob rau hauv lub tshuaj ua lag luam, thiab kuj siv nyob rau hauv ntau ntau lwm yam industries.

Nrog acids thiab ntsev

Txij li thaum ferrum yog sab laug ntawm hydrogen nyob rau hauv lub electrochemical series ntawm co kev ua si, nws spososoben displace active caij ntawm tebchaw. Ib qho piv txwv ntawm no yog lub hloov cov tshuaj tiv thaiv uas tau cai thaum muab hlau los ua acid. Piv txwv li, yog tias tov nyob rau hauv vaj huam sib hniav puas proportions ntawm cov iron thiab sulfate acid (aka sulfuric) nruab nrab concentration, raws li ib tug tshwm sim peb tau hlau sulfate (II) thiab hydrogen nyob rau hauv sib npaug zos hniav puas proportions. Cov kab zauv ntawm xws li ib tug tshuaj tiv thaiv yuav zoo li no: Fe + H ₂ li ₄ = FeSO ₄ + H _2.

Thaum lub sij hawm sib tham nrog cov ntsev ntawm hlau manifested txo zog. Hais tias yog, siv nws peev xwm yuav txawv los ntawm tsawg active hlau salts. Piv txwv li, yog hais tias peb coj ib lub tias ntawm tooj liab sulfate thiab tib Ferrum, peb yuav tau hlau sulfate (II) thiab ntshiab tooj liab nyob rau hauv sib npaug zos hniav puas proportions.

Tus nqi rau cov kab mob

Ib qho ntawm feem ntau nyob rau hauv cov kaub puab ntawm tshuaj ntsiab - hlau. Thaj chaw ntawm cov teeb meem peb twb pom tau hais tias, thiab tam sim no peb tuaj mus rau nws los ntawm ib tug lom taw tes ntawm view. Ferrum muaj ib tug heev ib qho tseem ceeb muaj nuj nqi ntawm lub cellular theem thiab nyob rau theem ntawm tag nrho cov kab mob. Feem ntau cov hlau yog lub hauv paus ntawm xws li ib tug protein yog hemoglobin. Nws yog tsim nyog rau cov pa thauj los ntawm cov ntshav los ntawm lub ntsws rau tag nrho cov ntaub so ntswg, kabmob, mus rau txhua cell hauv lub cev, tshwj xeeb tshaj yog rau lub paj hlwb neurons. Yog li ntawd, cov pab thaj chaw ntawm hlau muaj peev xwm tsis tsum overemphasized.

Nyob rau hauv tas li ntawd nws muaj feem xyuam rau kroveobrazovanie, Ferrum tseem ceeb heev rau lub qub hauj lwm ntawm lub qog caj pas (nws yuav tsum tau tsis tsuas yog tus iodine, raws li ib co ntseeg hais tias). Tsis tas li ntawd, hlau yog muab kev koom tes nyob rau hauv intracellular metabolism, regulates lub cev. Ntau tshwj xeeb ferrum nyob rau hauv loj kom muaj nuj nqis yog pom nyob rau hauv daim siab hlwb, vim nws yuav pab tau neutralize teeb meem tshuaj. Nws kuj yog ib tug ntawm lub ntsiab Cheebtsam ntawm ntau hom ntawm enzymes nyob rau hauv peb lub cev. Lub sij hawm tib neeg noj cov zaub mov yuav tsum muaj kaum rau nees nkaum milligrams ntawm kab keeb.

Cov khoom noj uas nplua nuj nyob rau hauv hlau

Xws li ib tug ntau. Lawv noj ob nroj tsuag thiab tsiaj keeb kwm. Thawj - qhov no yog cereals, legumes, cereals (tshwj xeeb tshaj yog buckwheat), apples, nceb (dawb), qhuav txiv hmab txiv ntoo, rosehips, pears, txiv duaj, avocados, taub dag, almonds, figs, txiv lws suav, zaub cob pob, zaub qhwv, blueberries, blackberries, kav zaub, thiab lwm yam . ob - siab, nqaij. Siv ib tug siab hlau ntsiab lus cov khoom no yog tshwj xeeb yog ib qho tseem ceeb thaum lub sij hawm cev xeeb tub, raws li lub cev ntawm lub fetus tsim yuav tsum tau ib tug loj npaum li cas ntawm cov micronutrient rau cov kev loj hlob thiab kev loj hlob.

Tej yam tshwm sim ntawm ib tug tsis muaj hlau nyob rau hauv lub cev

Cov tsos mob ntawm heev me ntsis nyiaj ntawm Ferrum nkag mus rau hauv lub cev yog qaug zog, qhov khov ob txhais tes thiab ob txhais taw, kev nyuaj siab, brittle cov plaub hau thiab rau tes, kev txawj ntse kev ua si yuav txo tau, digestive mob, uas tsis muaj kev ua tau zoo, malfunction ntawm lub qog caj pas. Yog hais tias koj pom ib co ntawm cov tsos mob no, nws yog tsim nyog los nce tus naj npawb ntawm cov khoom uas muaj hlau nyob rau hauv koj noj cov zaub mov los yog mus yuav cov vitamins los yog tshuaj muaj Ferrum. Tsis tas li ntawd, nco ntsoov nrog koj tus kws kho mob yog tias muaj cov tsos mob no koj xav tias ib yam nkaus thiab phem heev.

Siv Ferrum Kev lag luam

Daim ntawv thov thiab thaj chaw ntawm hlau muaj zoo yam. Vim nws ferromagnetic, nws yog siv rau qhov siv thiab ua cov hlau nplaum - ob qho tag nrho weaker rau domestic siv (souvenir hlau nplaum rau tub yees, etc ...) Thiab ntau haib - kom muaj cov hom phiaj. Vim lub fact tias qhov suav hais tias hlau muaj siab zog thiab hardness, nrog nws cov antiquity siv riam phom, armor, thiab lwm yam cov tub rog thiab domestic seev. Los ntawm txoj kev, nyob rau hauv ancient Egypt nws tau paub meteoric hlau muaj zog superior rau cov neeg ntawm ib tug pa hlau. Tsis tas li ntawd ib tug tshwj xeeb hlau twb siv nyob rau hauv ancient Rome. Los ntawm nws ua ib tug neeg tseem ceeb ua tsov rog. Tiv thaiv los yog ib tug rab ntaj ua los ntawm meteoric hlau, yuav tsuas muaj ib tug heev nplua nuj thiab distinguished txiv neej.

Feem ntau, cov hlau, uas peb xav txog nyob rau hauv no tsab xov xwm, yog lub feem ntau ntau yam ntawm tag nrho cov tshuaj uas siv los ntawm cov pab pawg neeg. Ua ntej ntawm tag nrho cov, nws ua hlau thiab cam khwb cia hlau, uas yog siv rau zus tau tej cov ntau yam khoom yuav tsum tau nyob rau hauv kev lag luam thiab nyob rau hauv lub neej txhua hnub.

Cam khwb cia hlau hu ua hlau thiab carbon hlau, nyob rau lub thib ob tam sim no los ntawm 1.7 mus 4.5 feem pua. Yog hais tias tus thib ob yog tsawg tshaj li 1.7 feem pua, ces qhov no hom ntawm alloy lub npe hu ua hlau. Yog hais tias cov pa roj carbon yog tam sim no nyob rau hauv nyob tus yeees ntawm txog 0,02 ib xees, ces nws yog ib tug dog dig coj mus muag hlau. Lub xub ntiag ntawm cov pa roj carbon nyob rau hauv lub hlau yuav tsum tau mus impart muaj zog dua, thermal stability, ua hauj rusting.

Ntxiv mus, nyob rau hauv lub steel yuav muaj ntau yam lwm yam hais raws li impurities. Qhov no manganese, thiab phosphorus, thiab silicon. Tsis tas li ntawd nyob rau hauv no hom ntawm alloy impart tej yeeb yam zoo tej zaum yuav muab ntxiv chromium, npib tsib xee, molybdenum, tungsten, thiab ntau lwm yam tshuaj hais. Hom ntawm steel, nyob rau hauv uas ib tug loj npaum li cas ntawm silica tam sim no (hais txog plaub feem pua), siv raws li ib tug transformer. Cov nyob rau hauv lub muaj pes tsawg leeg uas ib tug ntau ntawm manganese (mus txog kaum ob los yog kaum plaub rau ib xees) nrhiav tau daim ntawv thov nyob rau hauv qhov siv thiab ua qhov chaw ntawm railways, mills, grinders thiab lwm yam cuab yeej, qhov chaw uas yog yuav muaj kev ceev puas.

Molybdenum yog tswvcuab rau hauv lub hlau muaj pes tsawg leeg, kom nws ntau thermally ruaj khov - xws li cov steel siv nyob rau hauv lub cuab tam. Nyob rau hauv tas li ntawd, kom tau tag nrho cov paub thiab feem ntau siv nyob rau hauv cov tsev neeg uas nyob rau hauv daim ntawv ntawm cov riam thiab lwm yam tsev neeg cov cuab yeej stainless steels yuav tsum tau ntxiv nyob rau hauv lub chromium hlau, npib tsib xee thiab titanium. Thiab nyob rau hauv thiaj li yuav tau tej yam-resistant, siab zog, ductility, nws yog txaus mus ntxiv vanadium. Thaum nkag mus kawm rau hauv lub niobium peev xwm ua tau ib tug siab kuj mus corrosion thiab sib txhoj puab heev tshuaj.

Mineral magnetite, uas twb tau hais ua ntej lawm nyob rau hauv no tsab xov xwm, koj yuav tsum los tsim ib qho nyuaj drives, nco phaib thiab lwm yam pab kiag li lawm ntawm no hom. Vim lub magnetic thaj chaw ntawm hlau muaj peev xwm yuav nrhiav tau nyob rau hauv lub apparatus ntawm transformers, motors, thiab lwm yam electronic khoom. Nyob rau hauv tas li ntawd, ferrum yuav ntxiv lwm alloys impart muaj zog dua thiab cov neeg kho tshuab stability. Sulfate no yog siv nyob rau hauv horticulture rau kev tswj kab (nrog rau tooj liab sulfate). Hlau chlorides yog indispensable nyob rau hauv dej purification. Ntxiv mus, lub magnetite hmoov yog siv nyob rau hauv dub-thiab-dawb printers. Lub ntsiab txoj kev ntawm daim ntawv thov ntawm pyrite - deriving therefrom sulfuric acid. Qhov no txoj kev yuav siv sij hawm qhov chaw nyob rau hauv lub laboratory nyob rau hauv peb ua sawv. Nyob rau hauv thawj kauj ruam pyrite Ferrum hlawv kom muab ferric oxide thiab leej faj dioxide. Cov kauj ruam thib ob yog cov transformation ntawm Sulfur dioxide nyob rau hauv nws cov trioxide, nrog kev koom tes ntawm cov pa. Thiab cov theem kawg lub resulting cov ntaub ntawv uas yog dhau los ntawm cov pa dej nyob rau hauv lub xub ntiag ntawm catalysts, thiab yog li rau muab sulfuric acid.

Tau hlau

Yeej active hlau yog muab rho tawm los ntawm nws ob loj minerals: magnetite thiab hematite. Ua li no nrog ib tug yuav txo tau ntawm hlau los ntawm nws cov pa roj carbon tebchaw nyob rau hauv daim ntawv ntawm cov coke. Qhov no yog ua nyob rau hauv lub moj tej tawg cub tawg, nyob rau hauv uas kub nce mus txog ob txhiab degrees centigrade. Nyob rau hauv tas li ntawd, muaj yog ib txoj kev los Ferrum hydrogen. Rau lub hom phiaj no hauv lub xub ntiag optionally ntawm lub moj tej tawg rauv. Yuav kom siv cov qauv no yuav siv sij hawm ib tug tshwj xeeb av nplaum, nws yog tov nrog rau lub crushed ore thiab kho nrog hydrogen nyob rau hauv tus ncej cub tawg.

xaus

Cov khoom thiab daim ntaub ntawv ntawm hlau varied. Qhov no yog tej zaum qhov tseem ceeb tshaj plaws nyob rau hauv peb lub neej hlau. Ua lub npe hu rau tus txiv neej, nws coj qhov chaw ntawm bronze, uas nyob rau ntawm lub sij hawm yog lub ntsiab khoom siv rau lub chaw ua khoom ntawm cov cuab yeej, thiab riam phom. Steel thiab hlau nyob rau hauv ntau txoj kev uas superior rau lub alloy ntawm tooj liab thiab tin nyob rau hauv cov nqe lus ntawm nws lub zog, ua hauj txhua yam kev nyuaj siab.

Nyob rau hauv tas li ntawd, hlau rau peb ntiaj chaw yog ntau dua ntau lwm co. Pawg feem nyob rau hauv lub ntiaj teb ua kiav txhab yog yuav luag tsib feem pua. Nws yog ib lub plaub feem ntau cov tshuaj lub caij nyob rau hauv cov xwm. Tsis tas li ntawd, qhov no tshuaj caij tseem ceeb heev rau lub qub hauj lwm ntawm lub cev ntawm cov tsiaj thiab nroj tsuag, tshwj xeeb tshaj yog vim hais tias nws yog raws li nyob rau hauv lub ua hemoglobin. Hlau yog ib qho tseem ceeb kab keeb, kev siv cov uas yog ib qho tseem ceeb rau cov kev kho mob thiab ib txwm tau hauj lwm hauv nruab nrog cev. Dhau li ntawm tus saum toj no, nws tsuas yog tib hlau uas muaj cim sib nqus. Tsis muaj Ferrum yog tsis yooj yim sua xav txog tej yam peb lub neej.