The refractometer works with set of prism using monochromatic light. True/falseO TrueO False

Is the given statement true or false has to be identified.

Answered: The refractometer works with set of…

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter1: Introduction

Section: Chapter Questions

Problem 1.3QAP

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Assume that you have an "X" solution that you do not know its concentration. But you have other X solutions with known concentrations and you know X solution absorbs maximum light at 575 nm. To calculate the unknown solution concentration, you have done some spectrophotometric measurements and obtained data given below. a) Prepare a standard curve by using the absorbance of known concentrations b) Calculate the concentration of unknown. Table 1: Absorbance of X solution (575 nm) Concentration (mg/ml) Absorbance 0.025 0.220 0.050 0.440 0.100 0.760 0.150 1.250 0.200 1,460 unknown 0,640
Refraction is directly related to concentration. true or false? O True O False
TRUE OR FALSE A Spectroscopic Binary is revealed by alternating red and blue shifts in its spectrum.
A sample does not absorb light of its own color but transmits light of its own color True False
how are magnetic field line models helpful?
The absorbance of a mixture at a specified wavelength is the total of the absorbances of each component at that wavelength. O True O False
a) A colorimeter is a type of spectrophotometer which is used to measures the light transmitted through a sample at a specific wavelength. True or False. b) As the cell path length shortens, the percent transmittance increases. True or false. c) As the absorbance value increase, the transmittance decrease. True or false. d) Ultraviolet-visible spectroscopy measures the absorption of plane-polarized light to determine the three-dimensional structure of a compound. True or false.
What absorbance corresponds to 1% transmittance? To 50% transmittance?
Chemical dyes are used to increase resolution of objects. True False
Question 4 What is the correct order of the components in a UV-Visible spectrophotometer? A) Sample Light source →→ Monochromator→ Photodetector B Light Source →→→ Sample → Monochromator→ Photodetector C Light source → Sample Photodetector → Monochromator D Light Source →→→ Monochromator→ Sample Photodetector Continue
A student generated the following calibration curve using Allura red. They measured the absorbance of a sample containing an unknown concentration of Allura red at the same wavelength. The absorbance of the unknown sample was equal to 0.5. Use the calibration curve to estimate the concentration of the dye in the sample.
When an electron is excited from a lower energy state to a higher state, this is known as Emission Diffraction Absorption Refraction

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The refractometer works with set of prism using monochromatic light. True/false O True O False