Which of the following statements are true about the use of a blank in spectrophotometry? Select all that apply. Select 2 correct answer(s) A blank is needed because the spectrophotometer also measures the absorbance of the cuvette and water. □ A blank must be measured prior to measuring your sample. None of the answer choices listed are correct. □ A blank must be measured after measuring your sample. A blank is only needed when the concentration of your sample is known.
Which of the following statements are true about the use of a blank in spectrophotometry? Select all that apply. Select 2 correct answer(s) A blank is needed because the spectrophotometer also measures the absorbance of the cuvette and water. □ A blank must be measured prior to measuring your sample. None of the answer choices listed are correct. □ A blank must be measured after measuring your sample. A blank is only needed when the concentration of your sample is known.
Chapter1: Introduction To Phlebotomy
Section: Chapter Questions
Problem 10RQ
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