83. Solving a chemistry problem

83. Solving a chemistry problem

18. When determining silicon in an aluminum alloy, ΔS=0 corresponded to the concentration С0Si = 1.70%, and for the standard with the concentration С1=0.72% ΔS1=-0.48. Build a calibration graph and determine the percentage of silicon in the test sample, if ΔSх=-0.24. (S is the blackening of the lines of the homologous pair in the spectra of the standard).

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