Madhusudanan Nair, P. ; Vaidyanathan, C. S. (1964) A colorimetric method for determination of pyrocatechol and related substances Analytical Biochemistry, 7 (3). pp. 315-321. ISSN 0003-2697
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0003-2697(64)90136-8
Abstract
A colorimetric assay for the quantitative determination of catecholic compounds was developed. The method was based on the observation that a red color was formed when nitrite was added to a solution containing pyrocatechol and sodium tungstate. Aromatic amines interfere with the reaction but this could be overcome by the addition of formaldehyde. When interfering substances are present along with pyrocatechol, it can be readily separated by paper chromatography and estimated after elution from the filter paper.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 82611 |
| Deposited On: | 14 Feb 2012 11:10 |
| Last Modified: | 14 Feb 2012 11:10 |
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