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the permitted additives include nh3, h2o2, acetone, methylchloride, chlormethylating agents, trimethylamine, dimethylamine, diethylenetriamine, dimethylethanolamine, triethylenetetramine, and tetraethylenepentamine.
los aditivos autorizados comprenden nh3, h2o2, acetona, cloruro de metilo, agentes clorometilados, trimetilamina, dimetilamina, dietilentriamina, dimetiletanolamina, trietilentetramina y tetraetilenpentamina.