Abstract
over, it should be compared with the size of the functional microcell in which all particles of the components exist in a given proportion. The number of samples should represent rather completely the general population of the mixture being tested. Correct evaluation of the mixture can be guaranteed only with such testing of the mixture. It is natural that similar testing requires significant effort and time. During actual industrial production, however, it is possible to convert the testing of each powder mixture into a long-term research study; for practical purposes, therefore, an attempt has been made to compare experimentally and theoretically samples of different size from different batches with the same components and same proportions of their content in a mixture. The formula of the theoretical standard deviation σ for the completely disordered equilibrium state of a two-component mixture, which is proposed in [3], is adopted as the basis for solution of the problem in question: σ = P 0.5 (1 ‐ P) 0.5 n ‐0.5 , (1)
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