See Also: Feedback systems(finance)
Feedback Systems(money)
ferric chloride(medicine)
ferric chloride test(medicine)
ferric chloride reaction of epinephrine(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Potassium chloride 20meq in sodium chloride 0.9 per cent in plastic container(health)
Potassium chloride 40meq in sodium chloride 0.9 per cent in plastic container(health)
feedback(dictionary)
feedback(dictionary)

ferric chloride test (medicine) and Feedback systems (finance)


ferric chloride test (medicine)


ferric chloride test


A qualitative test for the detection of phenylketonuria; the addition of ferric chloride to urine gives rise to a blue-green colour in the presence of phenylketonuria.


Feedback systems (finance)


An equation where the output becomes the input in the next iteration. This is much like a public address system where the microphone is placed next to the speakers generating feedback as the signal is looped through the PA system.