Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
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Question
Chapter 1, Problem 1.4QAP
Interpretation Introduction
Interpretation:
The transducer in smoke detector should be determined.
Concept introduction:
Transducers play a vital role in analysis process. The real physical world data can be converted into a measurable form with the help of these devices. Basically, transducer is a device which convert any form of signal into electrical signals or vice versa. They can either be used at input or output of a system. There are many factors which are considered while selecting a type of transducer to be used for a task. They are sensitivity, range, accuracy, precision, linearity, size and cost.
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In the Thermo Fisher application note about wine analysis (Lesson 3), the following
chromatogram was collected of nine components of wine. If peak 3 has a retention time of
3.15 minutes and a peak width of 0.070 minutes, and peak 4 has a retention time of 3.24
minutes and a peak width of 0.075 minutes, what is the resolution factor between the two
peaks? [Hint: it will help to review Lesson 2 for this question.]
MAU
300
200
T
34
5
100-
1 2
CO
6
7
8
9
0
2.4
2.6
2.8
3.0 3.2 3.4
3.6
3.8 4.0 4.2
4.4
4.6
4.8
5.0
5.2
Minutes
3.22
0.62
1.04
O 1.24
The diagram shows two
metals, A and B, which melt at
1000°C and 1400°C. State the
weight percentage of the
primary constituent (grains of
C) that would be obtained by
solidifying a 20% alloy of B.
1000°C
a+L
L+C
900°С
12
α
a+C
45
1200 C
L+y
140096
C+Y
a+ß
800°C
700°C
C+B
96
92
a+B
0
10
20
30
40
50
60
70 80 90 100
A
% peso B
B
8.
Choose the compound that will produce the spectrum below and assign the signals to the corresponding
protons.
2
4
3
ō (ppm)
OH
4
6 6
СОН
2
1
0
Chapter 1 Solutions
Principles of Instrumental Analysis, 6th Edition
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