Product category:
Materials Testing
News Release from: Metrohm UK | Subject: Wine Titrino package
Edited by the Manufacturingtalk Editorial
Team on 07 August 2006
Titration for wine production
For sulfurization of the mash and the must, SO2 is normally added from a gas cylinder.
For sulfurization of the mash and the must, SO2 is normally added from a gas cylinder Sulfurous acid is one of the most important must treatment agents
This article was originally published on Manufacturingtalk on 22 May 2008 at 8.00am (UK)
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White wines normally have a higher SO2 content than red wines.
The precise role of sulfurous acid is: Inhibiting or killing unwanted microorganisms Inhibiting the oxidation enzymes (polyphenoloxidases) Analysis of wine by titration Please note that ascorbic acid (vitamin C) is also determined in this analysis if present.
Therefore ascorbic acid must be determined separately and the result corrected accordingly.
Recommended basic system Wine Titrino 2.785.2010 Recommended electrod Separate double Pt-sheet electrode 6.0309.100 The Metrohm Wine Titrino is a compact titrator with an LCD screen for real-time curve representation.
It is intended for universal use as it offers all the important basic methods used in practice.
The Wine Titrino comes with Metrodata Vesuv C Light, the electrode Ecotrode Plus and the application collection Wine PAC.
Just transfer the ready-to-use methods from the memory card into the Wine Titrino, put on the sample, enter the sample volume and start the titration! The Application file contains 25 methods taking into account the international regulations for the analysis of wines and musts from the EU, Australia and New Zealand, Israel, Switzerland, South Africa, South America and the US.
New developments in methods and the current situation regarding standardization have been taken into account.
The titration methods described here have been tried out many times and are based on the latest editions for the particular sector. Request a free brochure from Metrohm UK ...
The Wine Titrino package contains a comprehensive application file with clearly-laid-out and detailed method descriptions, with parameters and titration curve examples as well as examples about the determination of: pH value Total titratable acidity Free sulfurous acid Total sulfurous acid Volatile acids Fixed acidity Ascorbic acid (vitamin C) Reducing sugars Carbon dioxide (CO2) Ash and ash alkalinity Calcium and magnesium Chloride Total phosphorus Sulfate Na, NH4, K, F, alcohol.
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