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Erschienen in:
2019 | OriginalPaper | Buchkapitel
1. Introduction
verfasst von : Md Eshrat E Alahi, Subhas Chandra Mukhopadhyay
Erschienen in: Smart Nitrate Sensor
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Abstract
Nitrogen is the most common natural element in the atmosphere, being nearly 80% of the air we breathe. Nitrogen can be found in gaseous form in the air, such as Nitrogen (N2), Nitrous oxide (N2O), Nitric oxide (NO), Nitrogen dioxide (NO2), and Ammonia (NH3). Some of these gases react with rainwater and produce nitrate and ammonium ions, which can become part of the soil layer, or mix with groundwater in solution. Intake of the nitrate ion has several positive aspects for the human body, such as improved blood flow, reducing blood pressure, and cardio-vaso-protective effects. However, adverse effects can occur to the human body with an excessive intake of nitrate ions, especially through drinking water, such as gastric, cancer and Parkinson’s diseases. Infants can suffer “blue baby syndrome” or methemoglobinemia which reduces the oxygen content of the blood. It affects those infants who are less than six months old.