Water

Potassium analysis allows, in a simple and fast way, to quantify the concentration of the analyte in the water used in fermentation processes.

Determination of Potassium in Water

CDR DrinkLab is a quick, reliable and easy analysis system for the quality and process control of the beverage sector

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CDR DrinkLab

Test type: End Point.Time testing: [uni].Analysis sessions with multiple samples are possible up to a maximum of 16 tests for CDR DrinkLab.

Method

Sample treatment

Potassium ions precipitate with sodium tetraphenylborate. The absorbance determined at 420 nm is proportional to the amount of analyte present in the water sample.

Principle of the test

The calibration curve was constructed using standard potassium solutions. The trend of the curve confirmed an excellent linearity of the system over the whole measuring range.

Calibration curve

The calibration curve of the potassium analysis on water with CDR BeerLab® obtained using standard potassium solutions. R² = 0.9952

Reagent test Kits

Measuring range

The perfect system for you

Potassium

Oils and fats

Frying oils and fried snacks

Fish Oil

Olive oil

Palm oil

Bakery products and spreads

Nuts

Milk and dairy products

Egg products

Tomato derivatives

Vinegar

Food

Wine

Beer

Cider

Kombucha

Coffee Fermentation

Green coffee, roasted coffee and beverage

Water for coffee preparation

Analyses of Soft Drinks with CDR DrinkLab

Soft Drinks

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Fruit Juices

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Analyses of Plant-based Beverages with CDR DrinkLab

Plant-based Beverages 

Kefir

Analyses of Drinking Water with CDR DrinkLab