BOD5 values are calculated at a fixed temperature as described in "Standard Methods for the Examination of Water and Waste Water" Highrer temperatures would lead to higher (wrong) values.
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A BOD shaker incubator is designed to maintain a temperature of 20 degrees C. The BOD incubator has a compressor that works as a heater and a cooler maintaining the temperature at a precise 20 degrees.
yes, because temperature effects the concentration of hydrogen ions, which is what in turn effects pH values
no they are not same because they varies in temperature
BOD (biochemical oxygen demand) for sugar is typically low since it is easily consumed by microorganisms, while COD (chemical oxygen demand) is usually used to estimate the amount of organic pollutants in water. However, the specific BOD and COD values for 1 kg of sugar dissolved in water would depend on factors like temperature, microbial activity, and the presence of other substances in the water.
The factors that may affect BOD test include: 1. The temperature at which the test is performed. 2. The amount of seeding done
The record is: 24 January 1942: -38,5 0C at Bod.
BOD5 for tap water are usually 0 ppm,
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Biochemical Oxygen Demand (BOD) is influenced by the presence of organic matter in water, which microorganisms decompose, consuming oxygen in the process. Higher levels of biodegradable materials, such as sewage, food waste, and agricultural runoff, lead to increased BOD. Additionally, temperature and the presence of nutrients like nitrogen and phosphorus can enhance microbial activity, further raising BOD levels. Monitoring BOD is essential for assessing water quality and the health of aquatic ecosystems.
Yes, because temperature effects the concentration of hydrogen ions, which effects pH values: The higher Temperature, the higher [H+] , the lower pH. Even in pure water pH is lower: Neutral H2O at 37°C >> pH=6.81
COD=100 What is Bod