1. Wine Chemistry Workshop
March 29 & 30, 2014
Sponsored by VESTA National Center andMissouri State University
Northern New Mexico College and NM State Viticulture Program
Saturday
March 29
TIME
ACTIVITY
PRESENTER
8:00 - 8:45 am
8:45 - 9:00 am
9:00 - 12:00 Noon
Registration
Welcome and Overview
Chemistry Lab
Chemistry Session 1
Malolactic Fermentation: Monitoring by
Paper Chromatography
Soluble Solids: Determination by
Refractometry
Dr. Barry Gump
VESTA Instructor
Soluble Solids: Sugar per Berry by
Refractometry
12:00 - 1:00 pm
Lunch Break
Lunch Provided
Chemistry Session 2
Hydrogen Ion Concentration: pH Meter
Measurement
1:00 - 3:00 pm
3:00 – 3:15 pm
3:15 - 5:00 pm
5:00 - 6:00 pm
6:00 - 8:00 pm
Titratable Acidity: Titrametric Procedure &
Nitrogen: Estimate of YAN by Formol
Titration
Dr. Barry Gump
VESTA Instructor
Sugars: Reducing Sugar by Visual Rapid
Estimation
Break
Continue pH, TA, N2 titrations
Discuss methods of analysis for Ethanol,
Sulfur Dioxide, and Volatile Acidity
Break
Dinner
Dr. Barry Gump
VESTA instructor

2. Sunday,
March 30
7:45 - 8:00 am
Coffee
Chemistry Session 3
Ethanol: Ebulliometric Analysis
8:00 - 10:00 am
10:00 - 10:15 am
Sulfur Dioxide: Aeration Oxidation
Distillation and Titration Procedure
Break
Chemistry Session 4
Sulfur Dioxide: Ripper Titration
Procedure
10:15 am - 11:30pm
Acetic Acid: Steam Distillation of Volatile
Acid Using Cash Still
11:30– 11:45pm
Dr. Barry Gump
VESTA Instructor
Evaluation and Dismissal
Dr. Barry Gump
VESTA Instructor