Chapter 9
This presentation is the property of its rightful owner.
Sponsored Links
1 / 79

第九章 Chapter 9 PowerPoint PPT Presentation


  • 518 Views
  • Uploaded on
  • Presentation posted in: General

第九章 Chapter 9. 原子吸收光譜法與原子螢光光譜法 Atomic Absorption and Atomic Fluorescence Spectrometry. 9A 樣品原子化技術 Sample atomization techniques. 將先探討在原子吸收光譜法與原子螢光光譜法中,兩種最常用之樣品原子化方法: 火焰原子化法 與 電熱式原子化法 進行。 接著再探討也被使用於這兩種光譜法中的較特別之其他三種子化方法。. 9A-1 火焰原子化法 Flame atomization.

Download Presentation

第九章 Chapter 9

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Chapter 9

Chapter 9

Atomic Absorption and Atomic

Fluorescence Spectrometry


9a sample atomization techniques

9A Sample atomization techniques


9a 1 flame atomization

9A-1 Flame atomization

  • (nebulized)

  • (desolvation)

9-1


Chapter 9

9-1


Chapter 9

  • 17002400

  • 25003100

9A-1


Chapter 9

9-1


Chapter 9

  • (flashback)

9A-1


Chapter 9

  • C2CH

  • //

9-2

9A-1


Chapter 9

9-2


Chapter 9

  • 2.5 cm

9-3

9A-1


Chapter 9

9-3


Chapter 9

9-4

9A-1


Chapter 9

  • AAS

9-5

9A-1


Chapter 9

9-5


Chapter 9

9A-1


Chapter 9

    • (~ 10-4 s)

9A-1


9a 2 electrothermal atomization

9A-2 Electrothermal atomization

  • 20003000


Chapter 9

  • Lvov

  • 9-6c

9-6

9A-2


Chapter 9

9A-2


Chapter 9

  • ( < 1 s)

9-7

9A-2


Chapter 9

9-7


Chapter 9

  • 0.510 mL

  • 10-1010-13 g

  • 5 %10 %1 %

9A-2


Chapter 9

9A-2


9a 3 specialized atomization techniques

9A-3 Specialized atomization techniques

9-8


Chapter 9

9-8


Chapter 9

9-9

9A-3


Chapter 9

9-9


9b atomic absorption instrumentation

9B Atomic absorption instrumentation

  • AAS

  • AAS


9b 1 radiation sources

9B-1 Radiation sources

  • (0.0020.005 nm)

  • (R > 105)


Chapter 9

9B-1


Chapter 9

  • 9-10a

  • 9-10bl1l2log(P0/P)

  • 9-10cP0P

  • ()

9-10

9B-1


Chapter 9

9-10


Chapter 9

  • (sputtering)

9-11

9B-1


Chapter 9

9-11


Chapter 9

  • (self absorption)

  • AFS

9B-1


Chapter 9

  • (EDLs)

  • EDLs

  • EDLs

  • SeAsCdSbEDLs

9-12 EDLs

9B-1


Chapter 9

9-12 EDLs


Chapter 9

9B-1


9b 2 spectrophotometers

9B-2 Spectrophotometers

  • /1


Chapter 9

9-13

9B-2


Chapter 9

9-13


Chapter 9

  • 100

9B-2


9c interferences in atomic absorption spectroscopy

9C Interferences in atomic absorption spectroscopy


9c 1 spectral interferences

9C-1 Spectral interferences

  • 0.1


Chapter 9

  • CaOH

  • CaOH

  • TiZrW

9C-1


Chapter 9

  • /

9C-1


Chapter 9

9C-1


Chapter 9

  • 350 nm

9-14

9C-1


Chapter 9

9-14


Chapter 9

  • (~ 10 kG)

  • 0.01 nm

  • (Zeeman effect)

  • ss

9C-1


Chapter 9

  • s90

9-15

9C-1


Chapter 9

9-15


Chapter 9

  • (A > l)

9C-1


Chapter 9

9-16

9C-1


Chapter 9

9-16


9c 2 chemical interference

9C-2 Chemical interference

    • /


Chapter 9

  • (releasing agent)

  • EDTA8-APCD1-

  • EDTA

  • 8-

9C-2


Chapter 9

  • MOH

9C-2


Chapter 9

    • HCl

    • Ox

9C-2


Chapter 9

  • MM+

  • K

  • MP

9C-2


Chapter 9

9C-2


Chapter 9

9-2


Chapter 9

  • MBBMB

  • B

9C-2


Chapter 9

  • (ionization suppressor)

9-17

9C-2


Chapter 9

9-17


9d atomic absorption analytical techniques

9D Atomic absorption analytical techniques

  • 9D-1 Sample preparation


Chapter 9

    • ()


9d 2 sample introduction by flow injection

9D-2 Sample introduction by flow injection

  • (FIA)

  • FIA

  • FIA


9d 3 organic solvents

9D-3 Organic solvents

  • /

  • ()8-


9d 4 calibration curves

9D-4 Calibration curves


9d 5 standard addition method

9D-5 Standard addition method

9D-6 AASApplication of atomic absorption Spectrometry

  • 60AAS

  • 200 nm


Chapter 9

9D-6


Chapter 9

9-3(ng/mL)


Chapter 9

  • 120 ng/mL0.0010.020 ppm

  • 0.0020.01 ng/mL2 x 10-61 x 10-5ppm

  • 1 %2 %

  • 510

9D-6


9e atomic fluorescence spectroscopy

9E Atomic fluorescence spectroscopy

  • PbHgCdZnAsSbBiGeSe


9e 1 instrumentation

9E-1 Instrumentation


Chapter 9

  • (EDLs)

  • (EDLs)

9E-1


Chapter 9

  • ()

  • (EDLs)

  • 320 nm

  • 320 nm

9E-1


9e 2 9e 3 interferences and applications

9E-2 9E-3 Interferences and applications


  • Login