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Description
The chemical approach to finding new ways of converting atmospheric nitrogen into ammonia.
The chemical approach to finding new ways of converting atmospheric nitrogen into ammonia.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 30 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
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| Producer: | Barrie Whatley |
| Contributors: | Stuart Bennett; S. Ray Richards; Geoff Yates |
| Publisher: | BBC Open University |
| Keyword(s): | Agricultural Research Council Unit of Nitrogen Fixation; Ammonia; Atmospheric nitrogen; Biochemical; Chemical approach; Genetics |
| Footage description: | Footage - Graphic of bio-system & nitrogenase. Fraction 1 & 2 proteins (1'35"-3'13") - Molecular diagram of ruthenium complex (4'44"-5'05") - Molecular diagram of N2 bound to rhenium. Graphic of dinitrogen molecular structure (5'33"-7'09") - Chemical formula of the rhenium complex containing two molecules of dinitrogen as ligands. Trans & cis complexes of the two dinitrogen ligands (8'21"-8'43") - Experiment used to make the dinitrogen ligands (9'12"-11'46") - Experiment protonating the cis tungsten complex (12'04"-13'07") - Graphic of monodentate phosphine ligands changed to bidentate phosphines (13'35"-13'45") - Graphic of hydrazide minus two grouping, diazine groups & a trans complex of molybdenum. Reduction of dinitrogen ligand to a diazine N2H2 (13'54"-15'22") - Discussion on nitrogen fixation (19'42"-23'28"). |
| Master spool number: | 6HT/72509 |
| Production number: | 00525_1238 |
| Videofinder number: | 873 |
| Available to public: | no |
