Cov txheej txheem:

Dab tsi yog qhov piv txwv ntawm cov khoom siv phom sij corrosive?
Dab tsi yog qhov piv txwv ntawm cov khoom siv phom sij corrosive?

Video: Dab tsi yog qhov piv txwv ntawm cov khoom siv phom sij corrosive?

Video: Dab tsi yog qhov piv txwv ntawm cov khoom siv phom sij corrosive?
Video: Vajtswv Txoj Lus | “Vajtswv Yog lub Hauv Paus ntawm Tib Neeg Txoj Sia” 2024, Kaum ib hlis
Anonim

Corrosives kuj tuaj yeem ua rau puas lossis puas tsuaj rau hlau. Feem ntau cov corrosives yog cov acids lossis cov hauv paus. Cov kua qaub uas muaj xws li hydrochloric acid, sulfuric acid, nitric acid, chromic acid, acetic acid thiab hydrofluoric acid. Cov hauv paus feem ntau yog ammonium hydroxide, potassium hydroxide (caustic potash) thiab sodium hydroxide (caustic soda).

Ib yam li ntawd, qhov piv txwv ntawm cov khoom siv corrosive yog dab tsi?

Cov kua qaub thiab cov hauv paus yog feem ntau corrosive cov ntaub ntawv . Corrosives xws li cov no kuj qee zaum hu ua caustics. Hom piv txwv ntawm acidic corrosives yog hydrochloric (muriatic) acid thiab sulfuric acid. Hom piv txwv ntawm qhov yooj yim corrosives yog sodium hydroxide thiab lye.

Tom qab ntawd, lo lus nug yog, koj yuav pov tseg cov khoom corrosive li cas? Dispense corrosives kom zoo zoo thiab khaws cov thawv kaw thaum tsis siv. Do corrosives maj mam thiab ua tib zoo rau hauv dej txias thaum txoj hauj lwm yuav tsum sib tov corrosives thiab dej. tuav thiab pov tseg corrosive pov tseg yam xyuam xim. Xyaum ua kev tu vaj tse zoo, kev huv ntawm tus kheej thiab tu cov cuab yeej siv.

Kuj nug, dab tsi yog corrosive?

Corrosive Cov khib nyiab yog cov kua qaub lossis alkaline (piv txwv) cov khib nyiab uas tuaj yeem yooj yim corrode los yog yaj cov ntaub ntawv uas lawv tau ntsib. Peb ntsuas corrosivity los ntawm pH lossis tus nqi ntawm cov hlau corrosion : pH. Thaum cov tshuaj aqueous muaj pH tsawg dua lossis sib npaug li 2, lossis ntau dua lossis sib npaug rau 12.5 nws yog suav tias yog corrosive.

Dab tsi yog tshuaj lom neeg uas txaus ntshai tshaj plaws hauv tsev?

5 Cov Khoom Siv Hluav Taws Xob Hauv Tsev Txaus Ntshai

  • Ammonia. Ammonia fumes yog ib qho ua rau khaus khaus, ua rau koj cov tawv nqaij, qhov muag, qhov ntswg, ntsws thiab caj pas.
  • Tshuaj dawb. Lwm qhov tseem ceeb tab sis muaj kev nyab xeeb ntxuav, tshuaj dawb kuj muaj cov khoom muaj zog corrosive uas tuaj yeem ua kev puas tsuaj loj rau tib neeg lub cev.
  • Antifreeze.
  • Cov dej huv huv.
  • Cua Fresheners.

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