80. Solving a chemistry problem
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80. Solving a chemistry problem
4. Find the content of chromium in the sample of ferrovanadium by the method of 3 standards according to the following data:
Parameter reference test sample
CCr,% 0.7 1.02 1.31 ?
SCR 0.60 0.73 0.84 0.80
SFe 0.86 0.83 0.85 0.84
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