One morning nine years ago, I was an inspector at the oil depot. The squad leader arranged for me to take an oil sample. Under the blue sky, I was very happy and quickly found my goal. Without a sampler, oil samples can only be taken from the oil flange of the hairline. For me, picking a sample of oil is a piece of cake. Just use a pipe wrench to open the valve, and put the sampling bottle on the “receiverâ€. When the valve was opened lightly and the oil product was dropped in a shy manner, the intensity was increased. Although the oil sample is normal temperature, there is a brand new protective glove “protection body†on hand. I was humming a little song, my eyes moved to it, and suddenly felt a cold back of my hand. Looking down, the oil hit the sampling bottle and splashed on the gloves. Hurriedly took off his gloves, the back of the back of the hand still smelled of strong diesel flavor. This event reminded me: In the sampling work, wearing only labor gloves is not enough, but also need to pay attention and take every step seriously. This website solemnly declares: This article is the reprint of the online media, only represents the author's point of view, has nothing to do with this site. If news articles and comments infringe your legal rights, please call us and we will handle it in a timely manner.
Ammonia nitrogen refers to the compound nitrogen that exists in the form of ammonia or ammonium ions, that is, the nitrogen that exists in the form of free ammonia (NH3) and ammonium ions (NH4+) in water. The compound nitrogen in the form of free ammonia (NH3) and ammonium ion (NH4+) is called ammonia nitrogen. Ammonia nitrogen is a nutrient in water, which can lead to water eutrophication. It is the main oxygen-consuming pollutant in water and is poisonous to fish and some aquatic organisms. The ammonia nitrogen analyzer includes an Ammonia Controller and an Ammonia Sensor, and adopts the ion selection method. The ammonia analyzer has a wide measurement range, rapid response, and integrates display, control and output. The ammonia nitrogen controller has 2 relays, two 4-20mA current outputs and RS485 communication; the ammonia nitrogen sensor itself also has RS485 communication, which can be automatically cleaned underwater. The measuring range of the NH3 ammonia analyzer is 0~1000mg/L. Ammonia meters are widely used in surface water monitoring, industrial wastewater and municipal sewage monitoring, water treatment industry, boiler return water monitoring, deionization process monitoring, reverse osmosis monitoring, and aquaculture water monitoring.
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