86.9k views
0 votes
Spectroscopy measurements may be made in either percent transmittance (% t) or absorbance (

a. based on the mathematical relationship between absorbance and transmittance, a= -log t, explain why calibration curves of absorbance versus concentration may deviate from a straight line when a<0.1 and when a>1.

1 Answer

4 votes

Answer:

The calibration curves versus the concentration may deviate from the straight line when a< 0.1 and when a >1 because at these times the relationship between the absorbance and the transmittance will be an inverse relationship i.e a = log t and the substance will react differently to light at these points

Explanation:

The measurement used in the spectrum of light through substances depends on the transmittance, absorbance/ concentration of the substances when a light ray is passed through it.

This kind of measurement are practically carried out in a lab and are called spectroscopy measurements. they are done in ideal conditions hence they are carried out in a lab. the value of absorbance largely determines if the graph of absorbance versus concentration will be a straight line graph or not.

User Jake Long
by
7.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories