An unknown was found to contain 10.80 ug of analyte per liter. A spike of 4.30 ug/L was added to a replicate portion of unknown. Analysis of the spiked sample gave a concentration of 15.10 ug/L. Find the percent recovery of the spike. % recovery = If the acceptable recovery is specified to be in the range from 96 to 104%, is the recovery of the spike acceptable? yes no

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An unknown was found to contain 10.80 ug of analyte per liter. A spike of 4.30 ug/L was added to a replicate portion of
unknown. Analysis of the spiked sample gave a concentration of 15.10 pg/L. Find the percent recovery of the spike.
% recovery =
If the acceptable recovery is specified to be in the range from 96 to 104%, is the recovery of the spike acceptable?
yes
no
hulu
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Transcribed Image Text:An unknown was found to contain 10.80 ug of analyte per liter. A spike of 4.30 ug/L was added to a replicate portion of unknown. Analysis of the spiked sample gave a concentration of 15.10 pg/L. Find the percent recovery of the spike. % recovery = If the acceptable recovery is specified to be in the range from 96 to 104%, is the recovery of the spike acceptable? yes no hulu 山T四回
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