Polymer Factory has presented its SpheriCal calibrants for MALDI. SpheriCal is a series of monodispersive calibration standards offering users time-saving sample preparation and accurate calibration. Combining long-term stability with evenly-spaced calibration points helps increase the frequency and quality of MALDI calibrations. As the calibrant, matrix and counter ion are pre-mixed in optimised ratios, time-consuming sample preparation is reduced. The calibrants are stable at room temperature and when exposed to air, avoiding problems associated with labile protein calibrants. Each mass range is covered, enabling software to calculate multiple, even-spaced calibration points.

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