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Free SO2 Quick Tests - Making Sulfite Monitoring Efficient for
Everyone
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The Accuvin Free SO2 (Free Sulfur Dioxide) kit measures the level of free SO2.
The sulfur dioxide present in must and wine is not all useful as a preservative.
Some is bound to other chemical components, reducing its effectiveness as a preservative by 30 - 70%. Also, the
degree of binding can change over time, affecting the ability of an adequate dose to continue providing its
preservative properties. The effectiveness of sulfur dioxide as a preservative is also pH-dependent, with low
pH wines requiring lower levels, and high pH wines requiring significantly greater concentrations to achieve the
same effectiveness as in a typical wine with a pH of 3.3 - 3.4. The Accuvin Free SO2 Kit is divided into a Low
Range (0 - 40 ppm) and a High Range (40 - 130 ppm).
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AV-FreeSO2
Code: 301-20
Price: $54.60
(Price per test: $2.73)
The Free SO2 Kit includes 4 High Range Tests (red caps) and 16 Low Range Tests (green
caps), 20 rehydration tubes (black caps), 20 samplers, and complete illustrated how-to-run instructions. The insert includes a Summary
Interpretation explaining how to use the test results. A monitoring chart is included. The label with the color
chart is on the front of the kit.
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(chart included with kit)
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