1. With
sample chamber
empty, set desired
wavelength then adjust to 0%T with left knob on front
panel.
2. Insert blank solution, close lid and
adjust 100%T
with right knob on front panel.3. Insert dye solutions,
read and record %T values.
4. Change wavelength, repeat steps
2-4.
NOTE: Some digital instruments have a filter
on the lower left of the
front panel that must be changed midway through
the wavelength range studied.
Spectronic 20 Instructions
(available
next to each instrument)