Are there alternative methods for analyzing POC in a water sample without using an elemental analyzer?
Muhammad Zohaib Safdar
Gravimetric Method: This method involves filtering a known volume of water through a pre-weighed filter paper, followed by drying and weighing the filter paper to determine the total suspended solids (TSS). The filter paper is then combusted in a furnace to oxidize the organic carbon, and the resulting weight loss is used to calculate the POC. Wet Chemical Oxidation: This method involves oxidizing the organic carbon in the sample using a chemical reagent, such as potassium permanganate or dichromate. The oxidized carbon is then measured by titration or colorimetric analysis. Black Carbon Analysis: This method involves measuring the amount of black carbon in the sample, which is a common component of POC. Black carbon can be quantified using techniques such as thermal-optical analysis, reflectance spectroscopy, or thermogravimetric analysis.
There are several methods available to determine particulate organic carbon (POC) in the absence of an elemental analyzer. Some possible methods include:
It is important to note that each method has its own set of advantages and limitations, and the choice of method may depend on factors such as the sample matrix, the level of sensitivity required, and the availability of equipment and resources.
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Md. Mahmudur Rahman
if you have no analytical instrument then you can measure the TOC in water sample by applying gravimetric method as well wet chemical oxidation method undoubtedly for good result.
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