BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213
BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

Solutions

Chapter 5, Problem 5.7QAP
Interpretation Introduction

(a)

Interpretation:

The signal-to-noise ratio is to be stated.

Concept introduction:

The signal and noise are two components of instrument measurement. One component is the signal, which carries information that is of interest to scientists and another component is noise, which is the unwanted fluctuations of signals.

Interpretation Introduction

(b)

Interpretation:

The number of measurements required to obtain a S/N of 500 is to be stated.

Concept introduction:

The signal and noise are two components of instrument measurement. One component is the signal, which carries information that is of interest to scientists and another component is noise, which is the unwanted fluctuations of signals. For n number of repetitions, the signal to noise ratio is proportional to square root of number of repetitions.

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