KIBU2023-11-062023-11-062023-04-14http://erepository.kibu.ac.ke/handle/123456789/9590SCH 221: Analytical Chemistry IenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/SCH 221: Analytical Chemistry ISCH 221Analytical Chemistry IOther