Ngwa:

Nitric acid bụ ihe mmalite dị mkpa maka mmepụta fatịlaịza na kemịkalụ. A na-eji nitric acid gbazere agbaze na etching ọla Ngwaahịa DataSheet
Mmiri a dị arọ, nke doro anya ma ọ bụ ntakịrị odo na-egbu egbu ma na-ebute oke ọkụ na kọntaktị na akpụkpọ ahụ. Emere ya site na ntughari nke nitrate alkali-metal jikọtara ya na sulfuric acid. Eji nchikota nitric na sulfuric acid mee ihe iji gbanwee owu nkịtị ka ọ bụrụ nitrate cellulose. A na-eji nitric acid mee ihe n'usoro efere mmiri dị ka ihe mgbakwunye na ndị na-emepụta sulfate ferrous iji kwalite agba ihe oyiyi na-acha ọcha maka ambrotypes na ferrotypes. A gbakwunyekwara ya iji wedata pH nke bat ọlaọcha maka efere collodion. Ịtinye acid na bath ọlaọcha mere ka efere collodion ghara ịdị na-enwe mmetụta nke ìhè, bụ nke nwere mmetụta bara uru nke ibelata ihe omume na-abụghị ihe oyiyi.