Alpha-naphthol Test (Noun)
Meaning
Biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid.
Classification
Nouns denoting substances.
Examples
- The alpha-naphthol test is a widely used biochemical indicator to detect the presence of carbohydrates in a solution.
- In the laboratory, the alpha-naphthol test is performed by adding alpha-naphthol and sulfuric acid to a solution suspected to contain carbohydrates.
- A positive result of the alpha-naphthol test is indicated by the formation of a violet ring, which confirms the presence of carbohydrates in the solution.
- The alpha-naphthol test is commonly used in biochemistry and molecular biology to detect the presence of carbohydrates in various samples.
- The alpha-naphthol test is a simple and reliable method for detecting carbohydrates in a solution, and it is often used as a preliminary test before further analysis.