141. Solving a chemistry problem
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Product description
When determining the manganese content in steel by the method of three standards, the blackening of the lines of the homologous pair was measured on a microphotometer: λFe = 293.690, λMn = 293.306 nm. Determine the mass fraction (%) of manganese in steel according to:
Option 1
Parameter standard test sample
ω (Mn),% 0.1 0.38 1.90?
SFe 0.98 0.94 0.99 0.75
SMn 0.71 0.90 1.24 0.61 30
Additional information
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