R.I. 4753
A Colorimetric Method for the Determination of Thiophene in Synthesis Gas
Wainwright, H.W.
Lambert, G.I.
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Contents
| Page | |||
| Introduction |
1 | ||
| Summary and conclusions |
2 | ||
| Acknowledgments |
2 | ||
| Discussion |
2 | ||
| Experimental investigations |
4 | ||
| Age of isatin-acid solution |
4 | ||
| Effect of an oxidizing agent |
5 | ||
| Effect of temperature |
6 | ||
| Interfering substances |
7 | ||
| Carbon disulfide |
7 | ||
| Ethyl mercaptan |
7 | ||
| Unsaturated hydrocarbons |
8 | ||
| Applicability to synthesis gas |
9 | ||
| Procedure |
9 | ||
| Reagents |
9 | ||
| Color measurement |
9 | ||
| Calibration curves |
10 | ||
| Determination of an unknown sample |
10 | ||