spectrophotometry

[yula]

why there were two peak when i used Cr(NO3)3 as the sample for uv/vis spectrophotometry?

and the graph is absorption against vawelength, how to convert the graph to absorption against concentration?

[ewmon]

This sounds like homework.

Tell us what have you done so far?

Tell us what you know about Cr(NO3)3?

[mississippichem]

Try manipulating the equation for the Beer-Lambert law, as far as concentration goes.

 

Getting two peaks in your spectrum? what was [math] \lambda [/math] for the two peaks?

[yula]

this is my experiment on analytical chemistry..thanks for respons,i already asked my lecturer about the graph and i had drew the first graph, and on my way for the second graph.