Page 82 - Pharmaceutical Analytical Chemistry III

CHEMICAL EXAMINATION

1) NITROGENOUS COMPOUNDS

[A] AMMONIA IN WATER :

* SOURCES AND SIGNIFICANCE :
❑ Ammonia in drinking water :
Results from treatment processes (chloramine).
 WHO standards, 0.05 mg/l.
 It can be an indicator of unhygienic conditions, and is

produced in the bacterial degradation of urea and
proteins.