I would guess it has something to do with the urine breaking down into
ammonia from urea (certain organisms like Proteus species do this quite
well) , but I don't remember the biochemistry. Someone here will, I'm sure.
Judy Dilworth, M.T. (ASCP)
> Dear reader,
>> Currenlty I am developing a public urinal for placement in public space.
>> One of the main problems is that the existing urinals stink. This smell
> causes people not to use the urinal and urinate elsewhere.
> To solve this smell problem it is required to get a good insight in its
>> * What causes the smell of urine and what reactions and bacteria
> play a part in this?
> * What are the circumstances under which the smell appears?
> * Does the layer of ureum that forms on frequently urinated
> spots contribute to the smell?
>> Thank you!