▎ 摘　　要

NOVELTY - Composite electrolyte comprises 0.2-0.3 pts. wt. 3,4-ethylenedioxythiophene, 0.4-0.7 pts. wt. poly(4-styrene sodium sulfonate), 0.1-0.3 pts. wt. graphene oxide and 180-220 pts. wt. water. USE - The composite electrolyte and ammonium ion detection probe is useful in aquaculture water quality, the content of water quality is good and aquatic quality. ADVANTAGE - The ammonium ion detection probe has good selectivity, low detection lower limit, sensitive reaction, high detection precision, excellent dynamic response, and is suitable for low concentration in culture water environment, and continuously changing the ammonium signal detection. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: Ammonium ion detection probe comprises a composite solid electrolyte, a conductive medium, an ammonium ion sensitive membrane and an insulating coating, and the composite solid electrolyte is prepared from a composite electrolyte. Preparation method of the ammonium ion detection probe.