Purchasing a spectrophotometer for your lab can be an overwhelming task. Will you be performing colorimetric assays? If so, requirements may differ from someone measuring turbidity or performing enzyme kinetic assays. Will you need a Monochromator? What exactly is a Monochromator? Choosing between a single beam or double beam spectrophotometer could potentially raise some interesting discussions at lab meetings (especially if none of you are sure what the advantage is for either). The products listed below represent a small of Spectrophotometers available today.