The task of analytical chemistry 20

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The paint, traces of which are discovered on the clothing of the victim in a car accident, compared with the composition of the paint on the car, the driver who is suspected as the culprit of the accident. Say whether the following spectroscopic determination of Ti in the paint about the difference in composition of both materials? According to preliminary data the standard deviation of the analysis is known and is equal to 0.35% of Ti, i.e. s—>G =0.35% of Ti. The Contents Ti, % The clothing 4,0; 4,6 The paint on the car 4,5; 5,3; 5,5; 5,0; 4,9

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