Nessler's reagent is used to detect ammonia. It is a pale solution which gets darker yellow when some amount of ammonia is added. A brown precipitate may form at higher concentration. Nessler's reagent can be crystallized from a concentrated solution of mercury iodide with potassium iodide.
NESSLERS REAGENT KINGS For determination of serum urea nitrogen for urease test in 0.5 ml substrate in a test tube containing 2% urea.
NESSLERS REAGENT KINGS For determination of serum urea nitrogen the Nessler chemical reagent may cause additional turbidity when At present, the detection methods of ammonia nitrogen in aquaculture water