How can a spectrophotometer be used to quantify phenols and characterize wine color? What are the contributors to wine color and how can they be chemically distinguished from one another?
How do we prepare juice samples for the analysis of free alpha-amino nitrogen? How do we perform dilutions? How do we deal with sample background noise during spectrophotometric analysis? How do we…
What is calibration? How do we prepare standards for external calibration and how do we make a calibration curve? How do we give the spectrophotometer a baseline, to measure just what we're…
