PLANT PIGMENT ANALYSIS:

Calibrate the spectrophotometer. After the spectrophotometer has warmed up for at least 15 minutes, it will need to be adjusted (calibrated) to ensure that it reads from the entire range of its scale. Set the wavelength to 450nm. Locate the filter lever at the lower left of the spectrophotometer and move it to the “340-599nm” position. ................
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