GETTING MY CHEMICAL OXYGEN DEMAND TEST TO WORK

Getting My chemical oxygen demand test To Work

As soon as the two hrs are completed, turn the digestor block off and permit the vials to remain within the unit for fifteen to 20 minutes to cool. Remove the vials and return them for the vial rack. CAUTION: the vials will nonetheless be hot.Through intervals of very low DO, some species may possibly improve motion to reinforce ventilation across

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