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The detection of the K-40 requires an extremely sensitive and superior stable measurement system, which must be capable of suppressing the inherent background radiation in order to obtain an optimal signal-to-noise ratio. Through the detection of K-40, the concentration of K2O or KCl can be measured. Berthold has the perfect solution for the challenging task providing accurate potassium measurements with the potassium analyser LB 474. The system is non-contacting, which virtually eliminates maintenance and costly downtime. Applying highly sensitive, stable and rugged detectors is fundamental in achieving a precise and accurate measurement.
In the potash industry, it is important to use robust and reliable measuring devices. This article published in the journal World Fertilizer September 2020 (page 50-54) presents the advantages of non-contacting radiometric gauges in the potash industry and the application fields where those gauges significantly contribute to process optimization.
The LB 474 potassium analyser uses three different types of detectors depending on the process conditions and the mechanical arrangement.
When maximum sensitivity is required, Berthold’s SuperSENS detector is used. Due to its compact design this is the ideal solution for maximum sensitivity.
For surface mounted applications on vessels or belts typically maximum sensitivity combined with high stability is required. Here Berthold’s dedicated potassium detector with its large 125/50 CrystalSENS is the preferred solution.
For tanks with suspension, the better solution is an immersion tube installed in the center of the tank. In the immersion tube you can either install the immersion type of the SuperSENS or, if immersion tubes with smaller diameters are required, Berthold‘s 50/50 CrystalSENS is the right choice. The signal-to-noise ratio of this arrangement is unrivalled and therefore offers unmatched accuracy and measurement stability.
Accuracy approx.+/- 0.05 %K₂O
Accuracy approx.+/- 0.045 %K₂O
Accuracy approx. 0.5…0.7 %K₂O belt load dependent
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Berthold Technologies GmbH & Co.KG
Calmbacher Str. 22
75323 Bad Wildbad
Tel.: (+49) 7081 177 0
Fax: (+49) 7081 177 100