Department of Viticulture and Enology
Copyright Thi Nguyen
Do not distribute without permission
thinguy@ucdavis.edu
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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…
VEN123L Video 2.1 (corrected) - Preparing…
From Thi Nguyen
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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…
VEN123L Video 10.1 - Phenols and Color:…
From Thi Nguyen
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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…
VEN123L Video 8.2 - Malic Acid: Enzymatic Analysis
From Thi Nguyen
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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…
VEN123L Video 4.2 - Sulfur Dioxide:…
From Thi Nguyen
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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…
VEN123L Video 4.1 - Sulfur Dioxide: Ripper
From Thi Nguyen
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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…
VEN123L Video 9.1 - Limits of Detection and…
From Thi Nguyen
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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? …
VEN123L Video 8.2 - Control Charts
From Thi Nguyen
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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…
VEN123L Video 8.1 - Residual Sugar - Enzymatic…
From Thi Nguyen
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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…
VEN123L Video 7.5 - Reference Method Comparison
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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…
VEN123L Video 7.4 - Internal Standardization
From Thi Nguyen
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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…
VEN123L Video 6.3 - Spike Recovery and One-Tailed…
From Thi Nguyen
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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…
VEN123L Video 6.2 - Evaluating Linearity -…
From Thi Nguyen
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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…
VEN123L Video 7.3 - Ebulliometry and NIR…
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How do gas chromatography and flame ionization detection work? What is internal standardization and what is its purpose? Copyright Thi Nguyen Do not distribute…
VEN123L Video 7.2 - Ethanol - GC-FID
From Thi Nguyen
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What is chromatography and how does it work? How are the components of a mixture separated? What does advanced instrumental chromatographic analysis look like? …
VEN123L Video 7.1 - Chromatography
From Thi Nguyen
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