Aosite, kemgbe 1993
Azịza: a. Elu igwe anaghị agba nchara akwakọbawo uzuzu nke nwere ihe ọla ndị ọzọ ma ọ bụ ihe mgbakwunye nke ihe nchara si mba ọzọ. N'ime ikuku na-ekpo ọkụ, mmiri na-ekpo ọkụ n'etiti ihe mgbakwunye na igwe anaghị agba nchara na-ejikọta abụọ ahụ iji mepụta batrị micro, na-eme ka ọkụ eletrik na-eme ka mmeghachi omume kemịkal na-ebibi ihe nkiri nchebe, nke a na-akpọ electrochemical corrosion.
b. Elu igwe anaghị agba nchara na-arapara na ihe ọṅụṅụ organic (dị ka egusi, akwukwo nri, ofe noodle, sputum, wdg), nke na-emepụta organic acid n'ihu mmiri na oxygen, na organic acid ga-emebi elu ígwè ahụ ogologo oge. oge.
Bụ́ nke a. A na-arapara n'elu igwe anaghị agba nchara ka ọ nwee acid, alkali, na ihe nnu (dị ka mmiri alkaline na mmiri lime na-efesa na mgbidi e ji achọ mma), na-akpata corrosion mpaghara.
d. N'ikuku emetọọ (dị ka ikuku nwere nnukwu sulfide, carbon oxide, na nitrogen oxide), ọ ga-etolite ntụpọ mmiri sulfuric acid, nitric acid na acetic acid na kọntaktị na mmiri gbakọrọ agbakọ, na-akpata corrosion kemịkalụ.