Amabhodlela engilazi (athatha ilitha elilodwa) anezivalo eziqinile okugcina izixazululo esezilungisiwe, ama-extract emibala nama-reagent ayiketshezi. Ingilazi ivimbela ukusebenzisana kwamakhemikhali nalokho okuphakathi futhi ivumela ukuqapha umbala nokucaca kwakho.