Acid thiab alkali, uas yog xeb rau hlau, yog" tus naj npawb ib tus tua GG; ntawm hlau luam yeeb zaub sawv. Yog hais tias cov hlau luam yeeb zaub muag zaub yog qhov muaj xeb nrog kua qaub (xws li sulfuric acid, vinegar), alkali (xws li methyl alkali, dej xumy, dej qab zib), koj yuav tsum tam sim ntawd yaug cov av nrog dej huv, thiab tom qab ntawd nws qhuav ib daim ntaub paj rwb qhuav.
Txoj haujlwm ntawm luam yeeb tso saib khib yog qhov zoo tshaj kom tsis txhob muaj qhov tshav ntuj ncaj qha sab nraum qhov rais. Lub tshuab luam yeeb hlau rack yuav raug rau lub hnub ntev, uas yuav ua rau cov xim hloov xim; cov xim xim txheej yuav qhuav thiab tev tawm, thiab cov hlau yuav yauv ua kom oxidation tsis zoo. Yog tias koj tuaj yeem' t tshem tawm cov luam yeeb muag zaub sawv hauv tshav ntuj muaj zog, nws tuaj yeem npog nrog cov ntaub npog lossis qhov muag tsis pom kev.
