The influence of terroir means that wines from a particular region are unique, incapable of being reproduced outside that area, even if the grape variety and winemaking techniques are painstakingly duplicated. Winemakers in Burgundy do not believe that they are producing Pinot noir that happens to be grown in Burgundy, but that they are producing
Whether the wine is aging in tanks or barrels, tests are run periodically in a laboratory to check the status of the wine. Common tests include °Brix, pH, titratable acidity, residual sugar, free or available sulfur, total sulfur, volatile acidity and percent alcohol. Additional tests include those for the crystallization of cream of tartar (potassium