Abstract
AbstractA rapid method is described for the determination of potassium in mixtures containing potassium salts and basic slag. Four Geiger Muller tubes connected in parallel are used to measure the natural radioactivity of 40K and the potassium contents of the mixtures are evaluated from a previous calibration. The effects of variation of particle size of both the potassium source and the basic slag are demonstrated, the count rate varying in different directions as the fineness increases in the two cases.Use of the technique in the production of a mixture of potassium chloride and basic slag has shown that the results from the method are comparable with those of the flame photometer.
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