FDS: spectroscopy GFAAS Flashcards by Thomas Hasiweder

Q

OUTLINE

Suppose the question is :

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

OUTLINE

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Some key aspects:

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Spectra of atoms and molecules

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Quantum principles and spectroscopy

poly electron atom

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Absorption spectrum for Sodium (Na) (vapor)

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Quantum principles and spectroscopy

delta E?

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite Furnace Atomic Absorption Spectroscopy

For AAS

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Get atoms, light and correction

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Over the years large improvements in GFAAS

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Stabilized Temperature Platform Furnace (STPF):

Fast instrument electronics

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Signal integration

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Accurate background correction

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Rapid Furnace Heating

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

L’vov platform and Pyrolytic Graphite Tubes

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Gas Stop

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Matrix Modification

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

apparatus with sample

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

light beam

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

4 steps

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

matrix modifiers

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

pyrolysis temperature

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Graphite furnace : atomization process

atomization temperature

A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Graphite furnace : atomization process atomization peaks

Lamps

Hollow Cathode Lamps

Electrodeless Discharge Lamps

Wavelength

Slit Setting

Electronics general

Electronics high resolution

Integrated versus Peak Absorbance sd

Integrated versus Peak Absorbance calibration curve

Integrated versus Peak Absorbance additional advantages

Background Correction

Background Correction most simple case

Background Correction the pi component

Background Correction Zeeman-effect: Two methods for background correction

Background Correction Transverse arrangement

Background Correction Longitudinal arrangement general

Background Correction Longitudinal arrangement e.g.

Background Correction Longitudinal arrangement When ON:

Background Correction on vs off

Background Correction Continuum source background correction general

Background Correction Continuum source background correction diagram

Examples of anomalous Zeeman Splitting

Furnace Design HGA THGA

Furnace Design heated by?

Furnace Design optical sensor

Furnace Design L’Vov platform:

Furnace Design: THGA

Automated Sampling

Automated Sampling tip alignment

Detection of the emitted light

the emitted light

Gases

In order to improve furnace analytics:

In order to improve furnace analytics: - Rollover effects general

In order to improve furnace analytics: - Rollover effects The resulting Zeeman-effect

In order to improve furnace analytics: - Rollover effects The effect is depending on?

In order to improve furnace analytics: - Linearity

In order to improve furnace analytics: - Interferences spectral interferences general

In order to improve furnace analytics: - Interferences spectral interferences diagram

In order to improve furnace analytics: - Interferences nonspectral interferences

In order to improve furnace analytics: - Contamination labware

In order to improve furnace analytics: - Contamination pipets

ATOMIZATION PROGRAMS ARE ELEMENT SPECIFIC