Abstract
The paper demonstrates that when defining the content of ferroimpurities in the analyzed media by magnetic control based on measuring the ferroimpurities masses m, which are extracted from the media sample step-by-step, it is crucial to define a functional view of the obtained dependence m on the operation order number n . It allows receiving additional forecast data m by extrapolating this dependence. With corresponding calculations being done, it enables determining the sought total mass of ferroimpurities (including their residual mass). We consider alternate solutions of practical tasks which yield magnetic control results in case of linear and piecewise-linear views (in semi-logarithmic coordinates) of the control mass-operational characteristics.
Highlights
Many industries face a challenge of inevitable presence of ferroimpurities in primary and technological media
The classification of a medium by normative quality targets greatly depends on solution of this problem which influences the timely decisions and efficient removal of ferroimpurities
It is similar to the process when we study the nature of reducing ferroparticles concentration progressively as wefurther execute multiple magnetophoretic operations for removing ferroparticles from liquids [14]
Summary
Many industries face a challenge of inevitable presence of ferroimpurities in primary and technological media. As far as the n number increases, the value of this mass (from general physical concepts it is always present) surely reduces (and the quality of control improves), but we have to admit it reduces asymptotically nearing zero only when the number of operations is infinitely unlimited. Such an approach stipulating multiple (reasonably limited by practically substantiated number of operations) magnetic removal of ferroimpurities from the sample of the medium analyzed is justified. This particular dependence can serve as a basis for substantiating and execution of the experimental and calculating method of ferroimpurities magnetic control
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