Homemode Colorimeter vs Commercial Colorimeter

Question 1

Colorimetry

Answer 1

is the measure of absorbance of visible light in a sample solution.

Question 2

What is the difference between absorbance and transmittance.

Answer 2

Absorbacne is the measure of how much light can be absorbed throught by a substnace

Transmittance is the measure of how much light can pass through a substance.

Question 3

In UV-visilbe spectroscopy, how can analyze a sample which by its self does not absorb UV

Answer 3

you can added ligand to the solution that absorbs light