Guide to SO2 Management and SO2 Calculator | MoreWine
2012年2月22日 · In its most basic form, SO2 management simply comes down to understanding how to create and maintain a small, stable reserve of Free SO2. Many of the solids and …
SO2 Additions - Wine Business
SO 2 is used as a preservative to protect grape juice, must or wines from oxidation and microbial spoilage. When SO 2 is added, part of it reacts with different components present in the grape …
Sulfur Dioxide Measurement and Overestimation in Red Wine
2019年4月26日 · Precision and accuracy are checked by preparing model wine and SO2 solutions. To compare, SO2 values in red wine reported for the HS-GDT method ranged from …
This table shows the percent of molecular SO2 present in the pH range from 3.0 to 4.0. Multiplying this percent by the free SO2 will give the ppm (mg/L) of molecular SO2. To attain a …
H wines require the addition of excessively high amounts of free sulfites. At these concentrations, the winemaker m can lead the winemaker to avoid the proper dosage according to the chart. …
Molecular SO2 is calculated using the free SO2 of a wine and a molecular SO2 factor related to the pH of the wine. The effectiveness of the SO2 to protect the wine from oxidation and …
Managing Sulfites in Wine - home-winemaking
2019年12月23日 · Below is a chart showing the required free SO2 necessary to achieve 0.8ppm molecular SO2. Over time, the free SO2 will react with compounds in the wine and oxygen …
Connection between the pH and effectiveness of SO2 - Wine Business
The recommended level of molecular SO2 for red wines is 0.5ppm (mg/L), for white wines is 0.8ppm (mg/L) and dessert wines is up to 1.5ppm (mg/L) . You can use this table to determine …
The following table shows the percent of the Free SO2 that is present as molecular SO2 for different pH levels in wine. ... What the table says is that you need 9.45 times as much Free …
MOLECULAR SO2 and pH Free SO2 exists in a pH-dependent equilibrium in wine as follows: Molecular SO2 ↔ HSO3 -