This company recently announced its micro-dispenser, a dosing unit for fully automatic measurements of the critical Micelle concentration (CMC). The Hamburg, Germany-based company developed the dispenser especially for the force tensiometer K100. Two combined micro-dispenser units create the whole concentration series for the surfactant to be analyzed directly inside the measuring vessel of the tensiometer. The K100 can measure the surface tension between the respective dosing steps automatically by using the ring, plate or rod method.
By software-controlled dosing and subsequent removal of the added volume between measurements, many concentrations can be analyzed without being limited by the vessel size. Thus, a dilution by several orders of magnitude can be achieved in order to cover the concentration range of the CMC reliably.
For more information, visit www.kruss.de.
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