Determination of Total sulfur dioxide (SO₂) in Beer
CDR BeerLab® allows to determine Total sulfur dioxide (SO2) in beer giving the result in 2 minutes, avoiding the time-consuming distillation of the EBC reference method and the using of dangerous and cancerogenic compounds used by AOCS reference method. You can use CDR BeerLab® method easily in the QC lab or even at production line.
SO2 is naturally produced in the fermentation steps of beer production. The legal limit is 10 mg/L.
Method
Sample treatment
The beer sample needs to be degassed using the ultrasonic bath (code 222062) before taking the sample.
Principle of the test
Total SO₂ reacts with a specific cromogen forming a compound used to follow the reaction itself. The end point of the reaction is read at 430 nm and the increasing of absorbance is proportional to the total SO₂ concentration.
Calibration curve
Calibration curve obtained with samples of known values.
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Reagent test Kits
Code*300865: 10 tests
Measuring range
| Analyses | Measuring range | Resolution | Repeatability |
|---|---|---|---|
| Total SO2 [1-30] mg/L | 1 - 30 mg/L | 0.1 mg/L | 0.7 mg/L |
The Analyzers for process and quality control in beer brewing
CDR BeerLab®
Complete analysis panel, supplied already configured
Up to 16 determinations simultaneously
Possibility of carrying out analyses of the same sample
Integrated printer
Full connections (LAN - USB - Bluetooth barcode/QR code reader)
CDR BeerLab® Jr
Partial analysis panel, customisable configuration
Up to 3 determinations simultaneously
Wireless connection to external printer
USB connections