The ammonia ends up in a water solution which can be enriched through the use of a zeolite filter to absorb and concentrate the ammonia. (Zeolite is commonly used to remove ammonia in wastewater ...

Higher concentrations may cause severe eye injury. Contact with concentrated ammonia solutions, such as some industrial cleaners (25%), may cause serious corrosive injury, including skin burns ...

while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs are simultaneously inserted into opposite ends of a long glass Graham’s Law apparatus and ...