NESSLERS REAGENT For ammonia & ammonium salt
Medical Definition of Nessler's reagent an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a test for ammonia in aqueous solution (as when obtained from water, blood, or urine) with which it forms a yellowish brown color or precipitate called also Nessler's solution.
: an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a test for ammonia in aqueous solution (as when obtained from water, blood, or urine) with which it forms a yellowish brown color or precipitate. — called also Nessler's solution.Medical Definition of Nessler's reagent
: an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a test for ammonia in aqueous solution (as when obtained from water, blood, or urine) with which it forms a yellowish brown color or precipitate. — called also Nessler's solution.
Nessler′s reagent is widely used in determination of ammonium compounds. It can be prepared using anhydrous mercuric iodide and anhydrous potassium iodide. It can be prepared from potassium tetraiodomercurate dissolved in potassium hydroxide.
stock solution 1.0 mL = 1.0 mg NH3-N Dissolve 3.819 g Nessler reagentDissolve 100 g of mercuric iodide and 70 g of potassium.
Nessler's Reagent is used to detect production of ammonia and ammonia salts.