alternating currentalternativealumalum ammoniacaluminium acetatealuminium sulphatealzaring oilamberambler superdraftamerceamerican ashesamerican chemical societyamerican egiptionamerican egiption cottonamerican enka coamerican institute of chemical engineersamerican systemamerican twillamerican upland cottonamerican viscose coamethystamiantamianthusamidationamideamide linkamilanamilaraminationamineaminoamino acidamino groupaminolysis of cottonaminoplastic resinammoniaammonia gasammonia solutionammoniac gumammoniacalammoniacal fermentationammoniacal liquorammonicammoniumammonium bicarbonateammonium carbonateammonium chlorideammonium sulphateamonolysisamophoteric