A rapid, simple, reliable and accurate method for the measurement and analysis of total sulfite (sulphite) and free sulfite in wine, beverages, food stuffs and other materials. Supplied as a “ready to use” liquid stable formulation that is suitable for manual, auto-analyser and microplate formats.
Suitable for manual, auto-analyser and microplate formats.
Colourimetric methods for the determination of Total and Free Sulfite in wine, fruit juice, food stuffs and other materialsPrinciple:The Total Sulfite assay is based on the reaction principle between thiol groups and Ellman’s reagentThe Free Sulfite assay is based on the reaction principle of SO2, fuchsin and aldehyde binding
Kit size: 40 assays (manual) / 400 (microplate) / 400 (auto-analyser)Method:Total sulfite: Spectrophotometric at 405 nm Free sulfite: Spectrophotometric at 575 nmTotal assay time: Total sulfite: ~ 6 min Free sulfite: ~ 9 minDetection limit: Total sulfite: ~ 5.3 mg/L Free sulfite: ~ 2 mg/LApplication examples: Wine, fruit juice, seafood, food stuffs and other materials Method recognition: Validated for red and white wines at the Bundesamt für Weinbau, Austria.Used widely in the wine industry
Advantages
- ”Ready to use\" liquid stable Formulation
- Very competitive price (cost per test)
- All reagents stable for > 18 months
- Very rapid reaction
- Mega-Calc™ software tool is available from our website for hassle-free raw data processing
- Standard included
- Suitable for manual, microplate and auto-analyser formats
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