Order Form
(All samples must be accompanied with an order form)
Price List (Wineries licensed in the state of Iowa receive a 20% discount)
Sampling Instructions
Wine and Juice Sampling
Berry Sampling
Iowa Vintners Quality Alliance (IVQA) Sample Submission Form
-applicable only to IVQA members-
Shipping Instructions
Our new cetrifuge
The Wine Lab is furnished with state-of-the-art equipment to provide diagnostic services on samples submitted by industry, grape and wine research focusing on wine quality, and educational opportunities for students.
EQUIPMENT:
|
Measurement |
Glossary |
| pH meters |
pH |
pH – negative log of the Hydrogen ion (H+) concentration |
| Digital refractometer |
Degrees Brix (˚Bx) |
˚Bx – grams sucrose is 100 grams solution |
| Carbodoseur |
CO2 |
CO2 – carbon dioxide |
| Dissolved oxygen meters |
O2 |
O2 - oxygen |
| Turbidity meter |
Insoluble solids |
|
| Titration set-ups |
TA and SO2 |
TA - Titratable acidity, SO2 - Sulfur dioxide |
| Cash still |
VA |
VA - Volatile acidity |
| Aeration oxidation set-ups |
SO2 |
SO2 - Sulfur dioxide |
| Ebulliometers |
OH |
OH - Alcohol |
| Conductivity set-up |
Cold stability |
|
| Centrifuge |
Sample clarification |
|
| Spectrophotometer |
YAN, tannins, anthocyanins, sugars, acids |
YAN - yeast available nitrogen |
| Isotemp oven |
Heat stability |
|
| Isotemp water bath |
Sample prep/heat reactions |
|
| GC/MS |
Volatile compounds |
GC/MS - Gas chromatograph/Mass spectrophotometer |
| HPLC |
Sugars and acids |
High performance Liquid Chromatography |
Midwest Grape & Wine Industry Institute Wine Lab
(Left) The Institute's GC (Gas Chromatography) and MS (Mass Spectrometry) instrument is used for chemical analysis of grape and wine samples in the wine lab.