释义 |
ness·ler's reagent noun or nessler's solution \ˈneslə(r)z-\ Usage: usually capitalized N Etymology: after Julius Nessler : an alkaline solution of potassium mercuric iodide used in chemical analysis especially in a delicate test for ammonia in aqueous solution (as when obtained from water, blood, urine) with which it forms a yellowish brown color or precipitate |