Tartaric acid is mainly found in tart fruits such as grapefruit and unripe grapes, and is often used to help lower the PH in fermenting products.Tartaric acid is an essential component in wine and the main ingredient in cream of tartar.artaric acid is mainly found in tart fruits such as grapefruit and unripe grapes, and is often used to help lower the PH in fermenting products.
Pitching Wedge Loft. A typical pitching wedge contains about 45 degrees of loft. By comparison, the highest-lofted iron, the 9-iron, contains approximately 41 degrees of loft, while the gap wedge is typically lofted at 50 degrees. There is, however, no industry standard regarding each clubâs loft. Some manufacturers will build pitching wedges with more or less than 45 degrees of loft.
Pitching Wedge (PW). This will usually come with any set of irons you purchase â although some players do replace them anyway. It is the next most lofted club after the 9 iron. Typically has a loft of 46-50 degrees. Mainly used for longer shots into the green â tournament players will hit a pitching wedge around 120 yards.