VEN123L Analysis of Musts and Wines
Department of Viticulture and Enology
Copyright Thi Nguyen
Do not distribute without permission
thinguy@ucdavis.edu
Department of Viticulture and Enology
Copyright Thi Nguyen
Do not distribute without permission
thinguy@ucdavis.edu
-
From Thi Nguyen March 30, 2022
What are the different ways of expressing concentration? How are mass/mass, volume/volume, and mass/volume solutions prepared? Why do we make solutions? Copyright Thi… -
From Thi Nguyen August 11, 2021
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 Thi Nguyen August 11, 2021
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… -
From Thi Nguyen August 11, 2021
How do you analyze free SO2 by Aeration-Oxidation? How does the method work; what's the underlying chemistry? How is the volume of titrant (NaOH) used to calculate… -
From Thi Nguyen August 11, 2021
What is the Ripper method for SO2 analysis? How similar or different is this from the analysis of titratable acidity? How is the volume of titrant (iodine) used to… -
From Thi Nguyen November 20, 2020
What's the lowest concentration that a method or instrument can detect, and what's the lowest it can measure? What's the difference? How do we determine… -
From Thi Nguyen November 14, 2020
What is a control chart? What are the components of a control chart and how do you make one? How is it used to determine whether things are going wrong over time? … -
From Thi Nguyen November 14, 2020
How do we know when we're really done with fermentation? How does enzymatic analysis work? What are the components of an enzymatic assay kit? Copyright Thi Nguyen… -
From Thi Nguyen November 03, 2020
What are some ways we can compare our method against a reference method? How can linear regression be used to compare datasets? What parameters in the regression… -
From Thi Nguyen November 03, 2020
What is internal standardization and what makes a good internal standard? Why does it work and how is it done? Copyright Thi Nguyen Do not distribute without permission… -
From Thi Nguyen November 01, 2020
How is spike recovery used to evaluate the accuracy of an analytical method? How are one-tailed t-tests used to compare an experimental treatment versus a control? Can… -
From Thi Nguyen November 01, 2020
Might R-squared values be a bit misleading? How should we evaluate the linearity of calibration curves? How do we create residual plots and use them to check for… -
From Thi Nguyen October 30, 2020
What is the difference between a primary and secondary method? How do ebulliometry and near-infrared spectroscopy work? Copyright Thi Nguyen Do not distribute without… -
From Thi Nguyen October 30, 2020
How do gas chromatography and flame ionization detection work? What is internal standardization and what is its purpose? Copyright Thi Nguyen Do not distribute… -
From Thi Nguyen October 29, 2020
What is chromatography and how does it work? How are the components of a mixture separated? What does advanced instrumental chromatographic analysis look like? …