Kev paub

Kev siv Mercury yog dab tsi?

May 13, 2022 Tso lus

Cov kev siv feem ntau ntawmMercury reagent yog nyob rau hauv kev tsim cov khoom siv tshuaj thiab hauv cov khoom siv hluav taws xob lossis hluav taws xob. Mercury kuj tseem siv rau hauv cov ntsuas kub, tshwj xeeb tshaj yog thaum ntsuas kub. Ntau thiab ntau dua gaseous tseem yog siv los ua cov teeb fluorescent, thaum ntau lwm yam kev siv tau raug phased tawm vim muaj teeb meem kev noj qab haus huv thiab kev nyab xeeb, hloov los ntawm cov tshuaj lom tsawg dua tab sis kim dua alloy. Lwm yam kev siv ntawm nws muaj xws li:

1. Vim nws qhov xwm txheej ntawm nws tus kheej, nws tuaj yeem decompose hlau kub los ntawm nws cov zaub mov thiab rho tawm cov kub ntshiab zoo dua. Yog li ntawd, nws yog feem ntau siv nyob rau hauv kub mines. Yog li ntawd, thaum lub sij hawm kub kub, cov khoom siv dav siv.

2. Siv los ua barometers, diffusion twj thiab lwm yam twj paj nruag. Gaseous yog siv nyob rau hauv vapor teeb.

3. Siv los ua kua iav tsom iav raj. Lub koob yees duab uas siv kev sib hloov los ua cov kua ua rau cov duab paraboloid ua daim iav tseem ceeb rau kev soj ntsuam astronomical, tab sis tus nqi yog ib feem peb ntawm cov khoom siv tsom iav zoo tib yam. Yog li ntawd, nws yog tag nrho siv nyob rau hauv lub telescope kev lag luam vim nws cov nqi ntau dua. Lwm yam kev siv: keyboards, tshuaj tua kab, nyob rau hauv zus tau tej cov chlorine thiab potassium hydroxide, preservatives, raws li electrodes, roj teeb thiab catalysts nyob rau hauv ib co electrolytic khoom.

4. Nws kuj tuaj yeem siv rau hauv kev kho hniav. Piv txwv li, raws li amalgam hniav muab tub lim.Mercury reagentthiab nws cov tebchaw tau siv rau hauv cov tshuaj, tab sis tsis ntau npaum li yav dhau los vim hais tias cov tshuaj toxicity ntawm nws thiab nws cov tebchaw yog dav dav paub. nws yog ib qho tseem ceeb hauv kev ua cov hniav ntxuav hniav dawb. Thiomersal yog cov organic preservative siv nyob rau hauv cov tshuaj tiv thaiv, txawm hais tias nws siv tau raug txwv. Lwm cov mercury compound, mercurochrome, yog cov tshuaj tua kab mob uas siv rau cov qhov txhab me me thiab qhov txhab; Nws tseem siv tau hauv qee lub tebchaws. nws cov tebchaw muaj cov haujlwm ntawm kev tua kab mob, raws plab thiab diuresis, thiab tam sim no tsis siv lossis tsis tshua siv. Elemental mercury tsis ua rau cov tshuaj pharmacological. Dissociated ions tuaj yeem ua ke nrog cov pab pawg hydrophobic thiab cuam tshuam nrog cell metabolism thiab ua haujlwm. Cov ntsiab lus tsis tuaj yeem nqus tau los ntawm txoj hnyuv, tab sis nws qhov chaw tuaj yeem tsim oxides lossis sulfides thaum raug huab cua, yog li qee zaum nws tuaj yeem ua rau mob raws plab thiab diuresis tom qab nqos. Feem ntau cov neeg nqos yog asymptomatic. nws yog excreted los ntawm faeces. Qee tus neeg yuav muaj qee yam tsos mob, thaum tsawg heev (rhiab lossis lwm yam tsis paub) tuaj yeem ua rau tuag tam sim.

5. Yav dhau los siv rau hauv tshuaj pleev ib ce: thiomersal yog dav siv nyob rau hauv kev tsim cov plaub muag xim cream. Xyoo 2008, Minnesota tau los ua thawj lub xeev hauv Tebchaws Meskas txwv tsis pub siv tshuaj pleev ib ce.

Nws yog dav faib nyob rau hauv ntau yam ib puag ncig xov xwm thiab cov khoom noj chains (tshwj xeeb tshaj yog ntses), nyob rau hauv huab cua, dej thiab av, thiab nws cov kab nyob thoob plaws lub ntiaj teb no. nws cov minerals tshwm sim nyob rau hauv qis Cambrian strata, thiab lawv qhov tshwm sim thiab enrichment yog nruj me ntsis tswj los ntawm cov qauv, pob zeb ua ke thiab phab ntsa pob zeb hloov. Lub ntsiab ore lub cev yog txheej txheej thiab quasi txheej, thiab tseem muaj cov ntaub so ntswg lenticular ore lub cev. Nws muaj cov yam ntxwv stratabound. Nws yog stratabound deposit. Nws tau lees paub tias yog qhov feem ntau "txheej nws tso nyiaj" hauv Suav teb, uas yog qhov tseem ceeb rau kev tshawb nrhiav thiab kev tshawb fawb ntawm nws hauv tsev thiab txawv teb chaws. Cov ore yog ib leeg, feem ntau yog cinnabar. Cov zis yog tsuas yog stellate thiab tshaj tawm, ua raws li cov hlab ntsha thiab sawb. Cov ore hnav khaub ncaws thiab smelting kev ua tau zoo.

Lub ntiaj teb cov peev txheej muaj txog 700000 tons thiab cov peev txheej hauv paus yog 300000 tons. Lub teb chaws tseem ceeb uas muaj peev txheej thiab lawv cov peev txheej tseem ceeb suav nrog 90000 tons hauv Spain, 69000 tons hauv Ltalis, 81400 tons hauv Suav teb thiab 45000 tons hauv Kyrgyzstan. Nws cov deposits nyob rau hauv lub ntiaj teb no mas faib nyob rau hauv lub Tethys Himalayan structural siv. Lub ntsiab hom ntawmMercury reagentdeposits yog hom carbonate, ua raws li cov pob zeb clastic thiab magmatic pob zeb hom. Ntawm lawv, carbonate hom yog qhov tseem ceeb tshaj plaws, suav txog 90 feem pua ​​​​ntawm cov nyiaj khaws cia ntawm nws tso nyiaj.

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