Lab
Submitting a Sample
- Fill out an Order Form
- Check the Price List
- Follow the Sampling Instructions
- Or if you are a Iowa Quality Wine Consortium member and wish to enter a wine for certification, fill out this Sample Submission Form.
- Follow the Shipping Instructions
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.
Our new cetrifuge
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 |
