To assist determine the effects and in the long run Restrict the level of natural pollution in drinking water, oxygen demand is An important measurement.The “cod” symbol will flash for three seconds, then the sample test consequence will appear from the display as element for every million COD. Report the test final result.Process Optimization:

High-efficiency liquid chromatography (HPLC) involves the injection of a little volume of liquid sample into a tube filled with very small particles (three to five microns (µm) in diameter called the stationary phase) where specific elements in the sample are moved down the packed tube which has a liquid (cellular phase) compelled with the column

Having said that, the junction need to only be marginally permeable to circumvent electrolyte from escaping much too speedily, which is particularly significant with electrodes utilizing liquid electrolyte. Different junction styles have unique outflow charges of electrolyte. Also, ensure the fill amount of the electrolyte is no less than two cm a