2CLabManual201303

Plot the values of gr absorbance versus concentration

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: e four values of the GR absorbance measurement in corresponding order of solution concentration (high concentration to low concentration; values of absorbance will be running in the same sense, high absorbance to low absorbance and expressed to three significant digits). Plot the values of GR Absorbance versus concentration on a spreadsheet or a programmable calculator, and carefully determine the slope of the best straight line fit through the data. The slope values for GG, GR, RG, and RR must be accurately determined because they will enable you to solve for the unknown concentration of your mixture of the two cobalt complexes. Enter the value of the slope of A vs. C. This is your effective extinction coefficient for GR. ****** Now let's collect the data needed for the determination of the RG effective extinction coefficient. The absorbance values should have a value between 0 and 1. Please enter the four values of the RG absorbance measurement in corresponding order of solution concentration (high concentration to low concentration; values of absorbance will be running in the same s...
View Full Document

Ask a homework question - tutors are online