Chemistry, 31.07.2019 01:20 Jackie2088
In a gas chromatography experiment, a mixture of two compounds (a and b) was separated for analysis. a chart recorder that fed paper at a constant rate of 100 mm. per minute was used to record the chromatogram, and a mark was made on the chart at the time the sample was injected. the first peak on the chromatogram corresponds to compound a, and that peak was observed at a distance of 5.19 cm from the sample injection point, and it had a height of 3.05 cm and a width at half-height of 1.16 cm. the peak corresponding to b was observed at a distance of 8.23 cm from the injection point, and it had a height of 4 cm and a width at half-height of 1.9 cm. what was the retention time for compound b (in seconds)? (enter your answer as a number only.)
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