Determination of pH in wort
PH value in the wort in the mashing phase is a very important parameter to assure the perfect conversion of starch in simple sugars. The possibility to measure this parameter in wort allows to make the necessary adjustments immediately and to reduce the time of the mashing phase.
The analysis method of CDR BeerLab® systems is correlated with reference potentiometric method with ph-meter, it can be performed in few simple steps obtaining in 1 minute accurated and precise results. You do not need to calibrate the instrument nor to use calibration solutions, making the analytical control procedure clear and reliable.
The systems to test pH in beer and wort
pH can be measured using CDR BeerLab®, a system which enables you to carry out a wide panel of chemical analyses on beer and water, using a single instrument, in a process that is faster and simpler than traditional methods.
With CDR BeerLab® brewers and breweries of any size can independently carry out brewing process controls without having to rely on external laboratories.
|CDR BEERLAB®||CDR BEERLAB® JUNIOR|
Beer and Wort:
Configuration with tailored panel of analyses
Beer and Wort:
|Simultaneous Sample Analyses||16||3|
|Multiple Analyses on a Sample||–|
Test type: End Point.
Time testing: 1 minute.
Are possible test sessions with several samples, up to 16 tests for CDR BeerLab® and 3 tests for CDR BeerLab® Junior.
Samples were analysed for pH using the CDR BeerLab® and the reference UKAS accredited method (Campden BRI Method AM/029 based on Analytica EBC, 9.35, 2004 and 8.17, 1999). The curve was obtained as part of the comparative study of the analytical methods of CDR BeerLab® and the reference methods conducted by the Campden BRI international laboratory
pH value determination is made through a colorimetric acid-base reaction in which a phenol derived, added to the matrix to be analyzed, causes a variation of the coloration. The magnitude of the coloration, measured at 630 nm is correlated with the pH of the sample.
Reagent test Kits
The reagents are packaged in foil pouches containing 10 tubes useful to perform 10 analyses.
This is the minimum package that allows the use of CDR systems even to those who need to make a few analyses, thus not wasting reagents.
There are also boxes of 100 tests, however, packaged in 10 bags of 10 tubes containing the reagent.
Code *300625 – The kit, designed for 10 tests
Code *300620 – The kit, designed for 100 tests
The reagents have a shelf-life of 6 months.
Processing of Sample
For an adequate accuracy it is necessary to centrifuge the wort sample before carrying out the analysis.
|Analysis||Measuring range||Sample volume||Resolution||Repeatability|
|pH||3.60 – 6||1000 μL||0.01||0.02|