Hash OnlineAmmonia nitrogenanalyzerAmtaxCompactofThe principle is that the sample, the extraction solution, and the indicator are respectively sent to the extraction bottle and the colorimetric cell; LED photometer for zeroing measurement; The sample and the expelled solution are thoroughly mixed and undergo a chemical reaction under the action of air, and the generated ammonia gas is transported to the colorimetric cell by a diaphragm pump, thereby changing the color of the indicator; After a period of time, the LED photometer measured the sample again and compared it with the measurement results before the reaction to calculate the concentration of ammonia nitrogen.

YAA901 Ammonia Nitrogen Motherboard YAA901 Ammonia Nitrogen Motherboard