Question

CHEM 12A - Caffeine Calibration Standards, Lah A. Fall 20 ab A, Fall 2019 Sample Information Acquired by : Admin Sample Name : 5 ppm Sample ID Data Description Tray# . Viale : 2 Injection Volume : 100 L Data Filename CaffeinRun Samples S19 HPLC 2011 Method Filename : 150ml 3min 5-8096B LISPRP18.im Date Acquired : 3/13/2019 11:42:02 AM Detector A Chi 274nm PeakTable Peak Ret Time Aren Height 4.516 1048855 Total 1048855 200025 200021 Area 100.000 100.000 Height %6 100.000 100.000 ete MAU 200 5 ppm CALabSolutions Data Project2_190314LCaffeine Run Samples Chromatogram Data\Project2190314L|Caffeine Run Samples S19 HPLC 2_01.led Det.A Chi 1 Det.A Chl/274nm
how do i find the peak area for this grapgh

Answer 1

There is only one peak in this HPLC elution plot. The peak are is calculated by the software and provided to you along with the other data like retention time etc.

Here the peak are of your plot is given as 1048855 in the peak table.