Spectrophotometric - Study guides, Class notes & Summaries

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury Vapor correct answers A. Tungsten-filament Which of the following isolates light within a narrow region of the spectrum? A. Photomultiplier tube B. Monochromator C. Photovoltaic cell D. Detector correct answers B. Monochromator Which of the following is not descriptive of a photomul...

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR and near UV regions of the spectrum? - Answer Tungsten filament Which of the following isolates light within a narrow region of the spectrum? - Answer Monochromator Which of the following is not descriptive of a photomultiplier tube? - Answer Cannot be used with a chopper Which of the following is false about a photomultiplier tube? - Answer Is composed of an iron plate and ...

CHEMISTRY LAB 1 Spectrophotometric Analysis of a Cobalt (II) Chloride Solution General Chemistry I (Chemistry 1411) Professor Lourdes Alba

Wavelength correct answer: Distance between 2 successive peaks (nm) Lower Frequency = Longer wavelength (RED) Higher frequency = Shorter wavelength (VIOLET) Spectrophotometric measurement correct answer: measures light intensity in a narrower wavelength Photometric measurement correct answer: measures light intensity without consideration of wavelength multiple wavelength (uses filter only) LASER correct answer: Light source for Spectrophotometry Visible region correct answer:...

Clinical Chemistry I ASCP review 2023 QUESTIONS & ANSWERS ( A+ GRADED 100% VERIFIED) Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor -Correct AnswerA most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vapor- not a continuous spe...

Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor - A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vapor- not a continuous spectrum, emitting radiation at specific wavelengths Which of the following isolates light within ...

Which of the following beers is concentrated by freezing? - Coors Ice Which of the following causes cereal flavors in beer? - malt Which of the following is not a reason why beer became popular first instead of wine? - Grapes were not found in the areas where brewing became popular Which civilization made the 1st detailed records of brewing? - Sumerian Which civilization was the first to brew beer? - Sumerian What early literary work linked beer with civilization? - The Epic of Gilgamesh ...

URINALYSIS AND BODY FLUIDS QUESTIONS AND ANSWERS (100% PASS) Lecithin: sphingomyelin ratio (L:S Ratio)- what is the purpose, and the L:S ratio. - ️️ Purpose= Assessment of *fetal lung maturity* Method= Thin layer *chromatography*. Comment= L:S ratio *>2.0 signifies maturity* Foam stability index (shake test) - ️️ Purpose= assessment of *fetal lung maturity*. Method= Shake with *95% ethanol*. Comment= Foam stability index= tube with *the highest ethanol* volume fraction that w...

Which of the following is an example of semi-quantitative test result? - ️️3+ Which of the following signals is light based? - ️️scatter Which of the following under-estimates the concentration but not over-estimates? - ️️downward shift What is the purpose of the reagent blank in spectrophotometric analysis? - ️️to subtract the color contribution of the reagent Which of the following describes a specimen blank? - ️️subtract the light absorption of patient serum. ...

Clinical Chemistry I ASCP Review Questions and Answers Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor - ANSWER A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vapor- not a continuous spectrum, emitting radiation at spec...