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Description
The work of Professor Gerhard Ertl in elucidating the mechanism of the synthesis of ammonia on an iron catalyst
The work of Professor Gerhard Ertl in elucidating the mechanism of the synthesis of ammonia on an iron catalyst
| Module code and title: | S342, Physical chemistry: principles of chemical change |
|---|---|
| Item code: | S342; 06 |
| First transmission date: | 08-06-1985 |
| Published: | 1985 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:32 |
| Note: | Loan copy available on compilation video S342/1,2,3,4,5,6. |
| + Show more... | |
| Producer: | Andrew Crilly |
| Contributors: | G.(Gerhard) Ertl; David Johnson |
| Publisher: | BBC Open University |
| Keyword(s): | Auger; Catalyst; Iron; LEED; Munich; Photoelectron; Scanning; Spectroscopy; Vacuum techniques; X-ray |
| Footage description: | Footage - Church dome. Clock chimes (0'03"-0'23") - Scanning Auger microprobe. Electron analyser. Electron microscope screen. Auger transitions (1'10"-4'09") - Maps of iron, calcium, aluminium and potassium (4'10"-4'52") - Diagram of ammonia formation (6'19"-6'35") - X-ray photo electron spectroscope (XPS). Argon ion gun. Plot of binding energy (8'01"-11'23") - Spectrum of iron nitride (12'01"-12'09") - Animation of iron nitride unit cell (12'10"-12'26") - Diagram of reaction scheme (13'11"-14'04") - Low energy electron diffraction (LEED) (14'27"-14'49") - Animation of square lattic formation (14'50"-14'55") - Animation of diffraction pattern showing square array (15'08"-15'14") - Animation of addition of new spots to LEED pattern (15'33"-16'17") - Auger spectrum of nitrogen saturated iron 100 surface (16'31"-17'04") - Diagram of thermal stability of different surface species (18'13"-18'45"). Auger spectra from nitrogen saturated surface. Diagram of reaction mechanism of nitrogen species (19'15"- 20'21") - Graph of concentration of atomic nitrogen. Reaction scheme (20'39"-22'20") - Maps of aluminium, iron and potassium (22'45"-23'23") - Argon ion gun (23'24"-23'45"). |
| Master spool number: | HOU5076 |
| Production number: | FOUS362P |
| Videofinder number: | 2030 |
| Available to public: | no |
