Ntev npaum li cas cov tshuaj pH tsis tuaj yeem khaws cia?
Feem ntau ntawm cov pH buffers siv nyob rau hauv kev tsim khoom yog cov muaj zog acids thiab tsis muaj zog hauv paus los yog muaj zog bases thiab qaug zog acids ntsev, thiab lawv cov khoom tsis ruaj khov heev.
