Lub chaw kuaj mob yog qhov chaw tseem ceeb rau kev sim qhia thiab kev tshawb fawb txog kev tshawb fawb. Raws li qhov kev nyab xeeb ntawm kev nyab xeeb ntawm kev sib tsoo tshuaj lom neeg tsis tu ncua nyob rau xyoo tas los no, cov chaw soj nstuam (lossis chav tshuaj ntsuam xyuas, chav kuaj), nws yog ib qho tsim nyog yuav tsum ua kom muaj kev nyab xeeb hauv chav kuaj thiab kev tiv thaiv kev ua haujlwm. Yog li ntawd, rau cov neeg ua haujlwm hauv chav kuaj, rau lawv txoj kev nyab xeeb, lawv yuav tsum hnav cov khau tiv thaiv zoo li qub thiab alkali tiv thaiv kev nyab xeeb.
Lub chaw kuaj mob feem ntau yuav tsum tau kuaj tsis muaj plua plav tsis muaj paug. Cov neeg ua haujlwm hnav cov khau tiv thaiv zoo li qub tuaj yeem txo qhov concentration ntawm cov khoom raug tshem tawm hauv huab cua, tswj cov pa phem, thiab txo cov xwm txheej zoo li qub. Vim tias cov khau tiv thaiv zoo li qub yog cov tshuaj tiv thaiv zoo li qub thiab cov khoom siv hluav taws xob, cov khau kev nyab xeeb rau kev txo qis thiab tshem tawm cov teeb meem zoo li qub nyob rau hauv qhov chaw ua haujlwm kub thiab tawg thiab kev cob qhia yuav tsum huv, tsis muaj plua plav thiab tsis muaj menyuam.
Lub chaw kuaj mob feem ntau muab cov kua qaub thiab alkali muaj zog, thiab qee cov neeg ua haujlwm yuav tsum siv cov tshuaj no hauv kev sim tshuaj, kom lawv hnav cov khau tiv thaiv acid tiv thaiv kom tsis txhob muaj tshuaj lom ntawm cov ko taw thiab ko taw. Vim tias cov khau khiab acid thiab alkali tiv thaiv kev nyab xeeb muaj kua qaub thiab alkali tsis kam, lawv tau siv los tiv thaiv ko taw hauv qhov chaw ua haujlwm nrog cov kua qaub thiab alkali thiab corrosiveness, thiab yog khau kev nyab xeeb uas tiv thaiv cov kua qaub thiab alkali tshuaj los ntawm kev puas tsuaj.
Txhawm rau kom lub chaw kuaj huv thiab huv si, cov khoom siv sim tsis cuam tshuam los ntawm cov pa phem. Cov neeg ua haujlwm hauv chav kuaj hnav cov khau tiv thaiv zoo li qub tuaj yeem tswj tau cov pa phem ntawm lub chaw kuaj plua plav thiab ua kom cov khoom siv sim ua kom tsis txhob raug puas vim electrostatic adsorption. Lub degree ntawm kev puas tsuaj, thiab tseem tuaj yeem txo qis lossis txo lub cev ntawm tus kheej txav mus rau qhov chaw ua haujlwm huv ntawm thaj chaw muaj kuab paug.
Nyob rau tib lub sijhawm, cov neeg ua haujlwm hauv chav kuaj tau hnav khau kev nyab xeeb nrog cov kua qaub thiab alkali tsis kam, uas tuaj yeem txo qhov kev pheej hmoo ntawm kev sib tsoo tshuaj lom neeg los yog nchuav rau ntawm ko taw thaum sim, thiab ua kom muaj kev nyab xeeb ntawm tus kheej ntawm cov neeg ua haujlwm sim.