Q1:
When a sample is analyzed by UV-Vis spectroscopy, the results may be unreliable if the signal-to-noise ratio is too low. Which of the following is not a method for avoiding this issue?
Q2:
-carotene is a highly absorbing chromophore. Which solvent would be the best choice for analysis?
Q3:
A sample of 0.10 M triethylamine in hexane is prepared for analysis. Which material should be used as the blank reference?
Q4:
Which of the following would be the best solvent for a compound with a of 281 nm? You may assume that the compound is completely soluble in each.
Q5:
When preparing a calibration curve for sample analysis, which of the following is best practice?
Q6:
Why must solutions with high concentrations be diluted prior to analysis via Beer’s Law?