Determination of Wavelength of Maximum Absorbance

If you can see a small spot of green light on the index card, proceed to step 5. If not, turn the transmittance (Right Front) adjustment knob clockwise until green light is visible. Set the wavelength knob to 350 nm. Look down into the sample compartment and record on the data sheet the . Observed color. of the light striking the paper on the ... ................
................