Ugbu a, na diversification nke ngwaahịa, NA2S n'ọtụtụ ebe na-eji n'akụkụ nile nke ndụ, ugbu a, ọtụtụ n'ime ahịa bụ a siri ike mpempe akwụkwọ nke sodium sulfide 50-60% adịghị mfe ịchekwa, etisasịwo n'ime a nwa ngwọta, nwere adịghị ọcha. nnyefe akwụkwọ ntuziaka abụghị ọkọlọtọ na ...
GỤKWUO