The measurement of light at selected wavelengths, typically in the
ranges of ultraviolet (UV), visible, and infrared light, is known as:
, MLS 220 Exam 3 Questions and Answers (CHEM
ANALYTICAL)
a. Photometry
b. Refractometry
c. Luminometry
d. Spectrophotometry - ANSWER-d. Spectrophotometry
The component of the spectrophotometer that isolates radiant energy of
a desired wavelength while excluding other unwanted wavelengths is
known as the:
a. Monochromator
b. Light Source
c. Cuvette
d. Photodetector - ANSWER-a. Monochromator
The analytical method based on detection of the portion of light
scattered by the particles in a solution toward a detector not in the direct
path of the transmitted light is known as:
a. Turbidimetry
b. Absorbance Spectrophotometry
c. Refractometry
d. Nephelometry - ANSWER-d. Nephelometry
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