Fig. 9From: Development of Conductometric Sensor Based on 25,27-Di-(5-thio-octyloxy)calix[4]arene-crown-6 for Determination of AmmoniumSignal repeatability of the sensor based on 25,27-di-(5-thio-octyloxy)calix[4]arene-crown-6 for ammonium determination. Responses to 5 mM ammoniumBack to article page