Chemical Oxygen Demand (COD)
Advertisement Chemical Oxygen Demand (COD) can be defined as “amount of oxygen required for the chemical oxidation of the organic matter by the strong oxidizing agent under the acidic condition.” …
Tests
BOD [Biochemical oxygen demand]
Advertisement Biochemical oxygen demand (BOD) is the amount of dissolved oxygen used by microorganisms in the biological process of metabolizing organic matter in water. The more organic matter in the …
Slump Test
Advertisement Slump Test is the most common to test the consistency (or workability) of concrete. The “slump cone” is a sheet metal “frustrated” cone, 300 mm tall, bottom diameter is …
RQD [Rock quality designation]
Advertisement Rock quality designation (RQD) is the quality of a rock core taken from a borehole. RQD refers to fracture measured by joining or percentage of the rock mass, where …