Calculate the percent recovery for the analysis of a spike., Ask an Expert

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calculate the percent recovery for the analysis of a spike. the sample was spiked with 5.00 ml of a 200.0 mg/l solution. the sample matrix concentration was determined to be 30.0 mg/L. The sample matrix volume (excluding the spike) was 90.00 ml. The resulting spike sample concentration was 38.1 mg/l.

percent recovery =( mass in spiked sample - mass in unspike matrix / mass add) times a 100

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