44. Решение задачи по химии №004 461
3. When determining Co in steel by the method of 3 standards at AESA, the following data were obtained:
СCo, % 0.50 0.64 1.20 x
Sco 0.85 1.03 1.32 1.10
SFe 0.75 0.73 0.74 0.73
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