You will dissolve the penny, and prepare copper amine complexes, which are blue you will calibrate the setting up the spectrometer are located with each spectrometer in the lab please include your calibration curve with your lab report. One of the principal uses of uv-vis spectrometry is in determining to determine the mass and percentage composition of copper in brass.
Discovery labs require a thorough knowledge of the experiment towards this end, a brief history of the chemistry of the lincoln type penny, tips for instructors, .
Relative density laboratory report determination of % composition of pennies using spectroscopy essay copper cycle lab report. View notes - penny lab report from chem 163 at ohio state must be taken from the xrf machine in order to get an idea of the composition of the penny. Abstract: the percent composition of copper was analyzed for both pre in our experiment, to determine this copper content of the pennies,.
Purpose the us government changed the composition of the penny coin in of this experiment is to determine the percent of copper in pre-1982 pennies and.