A10. Решение задачки по химии №11045

10. Determine the mass fraction () of tungsten in steel if the following results were obtained during photometry using the three-standard method
Parameter standard sample under study
ω(Mn), 0.87 1.37 2.19 ?
SW 0.388 0.634 0.774 0.786
SFe 0.462 0.464 0.424 0.452

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