The Vinmetrica SC-100A Wine Sulfite (SO2) Analyzer Kit
SC-100A Step-by-Step Video
The SC-100A puts you in control of your wine sulfite analysis. It’s highly accurate and sensitive titration system convenientlyalerts you visually and audibly when the endpoint is detected by its electrode.
Because it doesn’t rely on a color change, the SC-100A eliminates the guesswork in Ripper sulfite tests, especially in red wines!
Simple To Use
- 1. Attach SO2 electrode, press the power button, change to ‘SO2’ mode and press enter.
- 2. Draw up 5 mL of titrant into the syringe. Then place 25 mL of wine in beaker.
- 3. Add ~2 mL of the acidifier and ~2 mL of the reactant to wine.
- 4. Place and hold the SO2 electrode into the wine sample and swirl beaker.
- 5. Add titrant dropwise, pause when device beeps, until 15 seconds of beeps reached.
- 6. Multiply the titration volume by 20, the SO2 conversion factor, results in ppm Free SO2.
Complete Kit Includes Everything You Need for Your First 50 Tests.
- The Vinmetrica SC-100A Sulfite (SO2) Meter
- Titration beaker
- 5 mL syringe
- The User Manual
- SO2 electrode
- 25 mL sampling pipette
- 2 transfer pipettes
No magnetic stir bar, magnetic stirrer or burette is necessary. But if you have these you can certainly use them. We offer 10 or 25 mL glass burettes, burette holders,lab stands, magnetic stirrers and stir bars all sold separately.
Watch Our How-To Video for the Vinmetrica SC-100A
How It Works
The SC-100A improves onthe tried and true Ripper Methodby eliminating the guesswork in colorimetric analysis and replacing it with digital detection indicators.
It uses an amperometric electrode and replaces the iodine reagent with a more stable reagent. Its ease of use andaccurate amperometric titration method vastly improves on the original Ripper Method.
The SO2 Titrant reacts with the sulfite in the wine. When all the free SO2 is titrated, the endpoint is signalled by visual and audible indicators. The test endpoint is much more sensitive than the starch endpoint commonly employed for sulfite titrations. It’ssharpand clear, even when titrating red wines and musts.
Once the syringe titration is complete, determine the titration volume (which is the difference of titrant you started with and its final reading on the syringe) and multiply it by20(the conversion factor).
The conversion factor takes into account the known concentration of the titrant and some simple unit conversions to determine the ppm Free SO2 in your wine sample. So for example if you used 1.2 mL of SO2 Titrant during the titration, your equation would look like this:
1.2 mL X 20 = 24 ppm Free SO2
- Sensitivity: detects less than 2 ppm Free or Total SO2 in a 25 mL sample
- Accuracy: +/- 2 ppm Free or Total SO2
Simple as that!
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