Search for tag: "spectrophotometer"

VEN123L Video 8.2 - Malic Acid: Enzymatic Analysis

How can malic acid be quantified when tracking the progress of malolactic fermentation? What are some similarities and differences between the analyses of malic acid and residual sugar? What are the…

From  Thi Nguyen on August 11th, 2021 0 likes 3 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 on September 2nd, 2020 0 likes 115 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 on August 31st, 2020 0 likes 124 plays 0  

VEN123L Video 5.1 - Spectrophotometry

How does a spectrophotometer work? What are the key parts of a spectrophotometer? What sort of cuvettes are available and how should they be handled? Copyright Thi Nguyen Do not distribute without…

From  Thi Nguyen on August 31st, 2020 0 likes 102 plays 0