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Jeff Branco
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Ryan and I worked together at Justin Winery for five years and have known each other for ten. While at Justin, Ryan was passionately interested in the winemaking process, could fix about anything and was totally dedicated to making the winery a success. He has taken that dedication to Vintner Vault and became a major player in the winery supply business in just a few years. Jeff Branco, former VP and Winemaker Justin Winery jeff@coitliquor.com

Home > Laboratory > Milwaukee Instruments > Mini-Titrator SO2, Mi455

MiniTitrator SO2, Mi455

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Mini-Titrator SO2, Mi455
LAB-002952
For Determination of Free & Toal Sulphur Dioxide in Wine

List Price:
$650.00
You Save: $50.00
Price:
$600.00

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Mi455 is a user-friendly microprocessor-based mini-titrator for the determination of free and total sulphur dioxide in the process of wine making.  This mini-titrator will give you direct readings with a range of 0 to 400ppm.  The instrument comes with a pre-programmed analysis method for the free and total sulphur dioxide measurements on a wine sample.

Technically, sulphite is a salt or ester of sulfurous acid, but more common, sulfur dioxide.  Sulfite is the most effective and widely used preservative in wine making.. It preserves by safe guarding musts and wines against premature oxidation and microscopic life forms that could otherwise spoil wine.  It preserves a wine's freshness, helps maintain its color, and is essential for aging wines beyond their first year without deterioration.  It also inhibits wild yeast, thereby allowing cultured wine yeasts to dominate the fermentation.  Sulfites may be "bound" or "free".  Bound SO2 combines with aldehyde compounds, those responsible for oxidation in wines.

Free So2 results from the dissipation of active So2 and is the only So2 that provides antiseptic and oxidative protection to wines.  The most efficient way to add free So2 to a must, juice, or wine is by adding dissolved potassium metabisulfite to it.  The effectiveness of free So2 is dependent on the pH of the media to which it is added.

Specifications:

Range 0 to 400 ppm of SO2
Resolution 1 ppm
Accuracy 5% of reading
Method ripper titrimetric method
Principal equivelance point redox titration
Sample Volume 50 mL
ORP Electrode MA924B/1 (included)
Pump Volume 0.5 mL/min
Stirring Speed 1500 rpm
Environment 0 to 50°C; max RH 95%
Power Supply 220v/50Hz; 10va
Dimensions 208 x 214 x 163mm
Weight 2.2 kg

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