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)