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Dissolved oxygen does not directly affect pH levels because there is no physical-chemical connection between the two. However, in some cases there are indirect relationships from external factors, such as additional nutrients increasing algal growth. Dissolved oxygen and pH are important parameters that determine distributions of aquatic organisms and water quality.  Dissolved oxygen (DO) describes […]

Dissolved oxygen (DO) describes the amount of oxygen (O2) molecules that are dissolved in water. Dissolved oxygen is affected by both anthropogenic (human activities) and natural factors. Naturally, water conditions such as salinity and temperature, and too many aquatic organisms can affect DO levels. Humans also have an impact on DO levels in water from

pH probes contain two electrodes (a sensor electrode and a reference electrode) that measure the hydrogen-ion activity in a solution. The exchange of ions generates a voltage that is measured by the pH meter converting the voltage into a readable pH value.  The glass electrode was invented by Nobel Prize winner Fritz Haber in 1909,

Temperature sensors are a device used in our everyday lives to measure the temperature of the air, a liquid, and solid matter in a wide range of industries and applications.  Temperature sensors are found everywhere. If you have ever received a notification on a hot day that your smartphone has got too hot, that is

The amount of carbon dioxide (CO2) in a solution is one of the many factors that determines the pH of water. As pH levels fluctuate during the day due to photosynthesis, respiration, and decomposition; the extremity of these changes depends on the alkalinity of the water which is influenced by CO2 levels. When CO2 levels

Temperature sensors work by providing readings via electrical signals. Sensors are composed of two metals that generate an electrical voltage or resistance when a temperature change occurs by measuring the voltage across the diode terminals. When the voltage increases, the temperature also increases. Temperature sensors are devices that provide readable temperature measurements via an electrical

Water quality is often described by different indicators such as temperature, dissolved oxygen, pH, total dissolved solids, conductivity, suspended sediment, nutrients, metals, hydrocarbons, and industrial chemicals.  Water quality is one of the most important factors in aquatic ecosystems and ensuring water is safe for human use. Actions made on land have a major effect on

Measuring pH is important within a variety of industries, which can be measured in several ways. While both pH meters and pH paper are portable methods to measure a solution’s pH, pH meters provide more accurate results and color blindness is not an issue as results are displayed on a digital readable display. However, pH

Testing dissolved oxygen (DO) in water is either measured via chemical analysis such as a titrimetric method, electroanalytical (using galvanic & polarographic probes), optical dissolved oxygen, and colorimetric methods. However, modern techniques mainly use electrochemical or optical sensor methods.  Oxygen is not only important in the air we breathe, but it is also an essential