In orsat apparatus, co2 in flue gas is
determine by absorbing in what ?
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The absorption pipette contain 30% KOH Which is used to remove CO2 from flue gas. The second absorption pipette from flue gas contain 30% alkaline pyragallol solution which absorb O2 gas from flue gas . Some time a third absorption pipette is provided to measure CO ( in case of incomplete combustion ).
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