Wine Analysis & Consultation Services
A special annual CONSULTATION SERVICES AGREEMENT is now available for home winemakers.
The following wine analysis and consultation services for home winemakers and small-winery operators are also available on demand.
Please inquire about rates and restrictions on shipping alcohol.
| TEST | ANALYTICAL METHOD |
|---|---|
|
ACIDITY, pH |
|
|
Total Titratable Acidity (TA) |
Potentiometric titration |
|
pH |
pH Meter |
|
TA + pH |
Potentiometric titration + pH meter |
|
Volatile Acidity (VA) |
Cash distillation + Potentiometric titration |
|
Tartaric Acid |
Enzymatic Analysis + Spectroscopy |
|
Malic Acid |
Enzymatic Analysis + Spectroscopy |
|
SULFUR DIOXIDE (SO2) |
|
|
Free SO2 |
Potentiometric titration (Ripper method) |
|
Total SO2 |
|
|
Free + Total SO2 |
|
|
FERMENTATION, SUGARS AND ETHANOL |
|
|
Brix |
Densitometry |
|
Yeast Assimilable Nitrogen (YAN) |
Potentiometric titration (Formol method) |
|
Ammonia |
Potentiometric titration (Formol method) |
|
%alc/vol (dry wines) |
Ebulliometry |
|
%alc/vol (sweet wines) |
Distillation |
|
Reducing Sugar (RS) |
Potentiometric titration (Rebelein method) |
|
JUICE PANELS |
|
|
Panel A (Brix, TA, pH) |
|
|
Panel B (Brix, TA, VA, pH) |
|
|
Panel C (Brix, TA, VA, pH, YAN) |
|
|
DRY WINE PANELS |
|
|
Panel A (TA, pH, %alc) |
|
|
Panel B (TA, pH, %alc, RS) |
|
|
Panel C (TA, pH, %alc, SO2) |
|
|
Panel D (TA, pH, %alc, RS, SO2) |
|
|
Panel E (TA, VA, pH, %alc) |
|
|
Panel F (TA, VA, pH, %alc, RS) |
|
|
Panel G (TA, VA, pH, %alc, SO2) |
|
|
Panel H (TA, VA, pH, %alc, RS, SO2) |
|
|
Panels A-H for sweet wines |
|
|
OXYGEN |
|
|
Dissolved Oxygen (DO) – bulk wine (on site) |
Oxo-luminescence |
|
Dissolved Oxygen (DO) – uptake (on site) |
|
|
Total Package Oxygen (TPO) – bottling line (on site) |
|
|
Total Package Oxygen (TPO) – any bottle |
|
|
COLOR AND PHENOLS |
|
|
Color (White Wine) |
UV-Vis Spectroscopy |
|
Color Profile (Red & Rosé Wines) |
|
|
CIELab (Red & Rosé Wines) |
|
|
Color Profile + CIELab (Red & Rosé Wines) |
|
|
Total Phenols Index (TPI) |
|
|
STABILITY |
|
|
Malolactic Fermentation (MLF) completion |
Paper chromatography |
|
Protein Stability + Bentonite Trial |
Heat stability test + Turbidimeter |
|
Turbidity |
Turbidimeter |
|
Cold Stability |
Conductivity drop |
|
Potassium (K+) |
Potentiometric measurement (ISE) |
|
MISCELLANEOUS |
|
|
Copper |
Spectroscopy |
|
Residual CO2 |
Potentiometric titration |
|
Residual CO2 |
Volumetric reduction |
|
CONSULTING |
|
|
General consulting (hourly rate) |
|
|
Sensory Evaluation (per wine) |
|