Available online
Description
This programme is concerned with the chemistry of one group of synthetic dyes that add colour to our world.
This programme is concerned with the chemistry of one group of synthetic dyes that add colour to our world.
| Module code and title: | S246, Organic chemistry |
|---|---|
| Item code: | S246; 10 |
| First transmission date: | 1981 |
| Published: | 1981 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:23:42 |
| + Show more... | |
| Producer: | Denis Gartside |
| Contributors: | Peter Morrod; Vivian Stead |
| Publisher: | BBC Open University |
| Keyword(s): | Aromatic amine; Coupling reaction; Diazo compounds; Drugs; Peter Griess; Phenol |
| Footage description: | Footage - Printing machine, ICI Blackley. Various coloured fabrics, cotton, polyester, rayon, silk (0'20"-3'03") - Silk screen printing (3'04"- 3'40") - Vat of red azodye (3'49"-4'10") - Picture of Peter Griess, Royal College of Chemistry, London and Samuel Allsop and Sons, Burton-on-Trent (4'17"-4'54") - Bottles of dyes (5'10"-5'25") - Coupling reaction in a laboratory using a primary aromatic amine and a phenol (6'02"-7'38") - Animation of reaction of amine aniline and it's conversion to diazonium cation using hydrochloric acid and sodium nitrate (8'01"-11'02") - Coupling reaction of a single diazonium salt with three different coupling components. Filter paper. (11'20"-13'44") - Animation of coupling reaction of beta-napthol and diazonium salt to give orange azodye (13'45"-14'53") - Spotted fabric being pulled through dyebath (14'54"-15'32") - Caption of azoic dyeing (16'05"-16'15"). Explanation of dyeing different fabrics such as silk, cotton and cellulose acetate (16'30"-18'48") - Model of molecule of silk, cotton and cellulose acetate (20'06"-22'46"). |
| Master spool number: | HOU3314 |
| Production number: | FOUS102P |
| Videofinder number: | 4367 |
| Available to public: | no |
