Related Experiment Video
Updated: Jun 28, 2026

09:33
Determination of the Photoisomerization Quantum Yield of a Hydrazone Photoswitch
Published on: February 7, 2022
Spectrophotometric microdetermination of hydroxytriazenes
1Departamento De Química Escuela De Ciencias Universidad De Oriente Nucleo De Sucre Cumaniá, Venezuela.
Talanta
|July 1, 1973
Summary
A new analytical method detects hydroxytriazenes using a colorimetric reaction with alpha-naphthylamine. This general method provides a simple way to determine various hydroxytriazene compounds.
Area of Science:
- Analytical Chemistry
- Organic Chemistry
Background:
- Hydroxytriazenes are a class of organic compounds with diverse applications.
- Accurate determination of hydroxytriazenes is crucial for quality control and research.
Purpose of the Study:
- To develop a simple and general method for the quantitative determination of hydroxytriazenes.
- To establish a colorimetric assay based on a specific chemical reaction.
Main Methods:
- The study reports a colorimetric method for hydroxytriazene determination.
- The method involves the reaction of hydroxytriazenes with alpha-naphthylamine.
Main Results:
- The reaction between hydroxytriazenes and alpha-naphthylamine produces a distinct pink color.
- The developed method is applicable to a wide range of hydroxytriazene compounds.
Conclusions:
- A reliable and general colorimetric method for hydroxytriazene analysis has been established.
- This method offers a straightforward approach for detecting and quantifying hydroxytriazenes.
Related Concept Videos
Spectrophotometry: Introduction
Spectrophotometry is the quantitative measurement of the absorption, reflection, diffraction, or transmission of electromagnetic radiation through a material as a function of the intensity and wavelength of the radiation. A spectrophotometer is a device used to measure the change in the radiation intensity caused by its interaction with the material.
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...
UV–Vis Spectrometers
The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...
UV–Vis Spectroscopy of Conjugated Systems
Organic compounds with conjugated double bonds show strong absorption features in the UV–visible region of the electromagnetic spectrum attributed to π → π* electronic excitations. Generally, a UV–vis absorption spectrum is recorded as a plot of absorbance vs wavelength. The wavelength of maximum absorbance, which manifests as a peak in the absorption spectrum, is denoted as λmax.
One of the factors influencing λmax is the extent of conjugation in the...
One of the factors influencing λmax is the extent of conjugation in the...
