Search for tag: "dilution"

VEN123L Video 10.1 - Phenols and Color: Spectrophotometric Analysis

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?

From  Thi Nguyen 0 likes 204 plays 0  

VEN123L Video 5.3 - Free Alpha-Amino Nitrogen - Analysis

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…

From  Thi Nguyen 0 likes 440 plays 0  

VEN123L Video 5.2 - Free Alpha-Amino Nitrogen - Calibration

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…

From  Thi Nguyen 0 likes 359 plays 0