(a) Interpretation: A graph should be plotted using the spreadsheet for given information. Concept introduction: Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Question

Atomic Spectroscopy (a) In terms of spectral shape, how are atomic spectra different from molecular spectra? What is the source of this difference? (b) Describe the decision-making process for picking a line for atomic emission analysis of a given analyte. (c) For quality assurance, spike recovery is not sufficient to establish confidence in an analytical procedure. Explain this statement. What should be done instead to demonstrate satisfactory performance of an instrumental method (including elemental analysis). (d) Find a literature example of atomic spectroscopy used for elemental analysis. State the operating conditions with sufficient detail to reproduce the analysis; Please answer very soon will give rating surely All questions complete Answer needed Please help me

Answer 1

Question

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

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Atomic Spectroscopy (a) In terms of spectral shape, how are atomic spectra different from molecular spectra? What is the source of this difference? (b) Describe the decision-making process for picking a line for atomic emission analysis of a given analyte. (c) For quality assurance, spike recovery is not sufficient to establish confidence in an analytical procedure. Explain this statement. What should be done instead to demonstrate satisfactory performance of an instrumental method (including elemental analysis). (d) Find a literature example of atomic spectroscopy used for elemental analysis. State the operating conditions with sufficient detail to reproduce the analysis; Please answer very soon will give rating surely All questions complete Answer needed Please help me

A molecular exclusion column has a diameter of 7.8 mm and a length of 30 cm. The solid portion of the particles occupies 20% of the volume, the pores occupy 40%, and the volume between particles occupies 40%. (a) At what volume would totally excluded molecules be expected to emerge? (b) At what volume would the smallest molecules be expected? (c) A mixture of polymers of various molecular masses is eluted between 23 and 27 mL. What does this imply about the retention mechanism for these solutes on the column?

A chemist obtained the following data for percent lindane in the triplicate analysis of an insecticide preparation: 7.23, 6.95, and 7.53%. Calculate the 90% confidence interval for the mean of the the three data, assuming that (a) the only information about the precision of the method is the precision for the three data. (b) on the basis of long experience with the method, it is believed that s---->σ lindane. (c) If s=0.28 is good estimate of σ, how many replicate measurement should be made in order for the mean for the analysis of sample to be within 0.2% of the true mean 90% of the time.

Answer 2

Question

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

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Answer 3

Question

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

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Answer 4

Question

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

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Answer 5

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 6

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 7

Chapter 9, Problem 9.21QAP

Interpretation Introduction

(a)

Interpretation:

A graph should be plotted using the spreadsheet for given information.

Concept introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The least square equation for the given data should be determined.

Concept introduction:

Flame emission spectrography is named so, because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The statistics of the line plotted in option b should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The percentage of Na₂O in each given sample and the absolute and relative standard deviations should be determined.

Introduction:

Flame emission spectrography is so named because the atoms are exposed to a flame to get the required amount of energy of excitation. This is a classical method and has been widely replaced by the plasma spectroscopies.

Answer 14

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Ch. 9 - Prob. 9.1QAP Ch. 9 - Prob. 9.2QAP Ch. 9 - Why is an electrothermal atomizer more sensitive...Ch. 9 - Prob. 9.4QAP Ch. 9 - Prob. 9.5QAP Ch. 9 - Prob. 9.6QAP Ch. 9 - Prob. 9.7QAP Ch. 9 - Prob. 9.8QAP Ch. 9 - Prob. 9.9QAP Ch. 9 - Prob. 9.10QAP

Chapter 9 Solutions