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Related Experiment Video

Updated: Jun 26, 2026

The Plant Infection Test: Spray and Wound-Mediated Inoculation with the Plant Pathogen Magnaporthe Grisea

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Virus versus gene change in maize.

Science (New York, N.Y.)

|July 24, 1959

Summary

Optical properties of coal vitrain suggest limited polynuclear aromatic content. Aliphatic and amorphous carbons likely dominate, influencing its spectral characteristics in the ultraviolet-visible region.

Area of Science:

Materials Science
Chemistry
Geology

Background:

Coal vitrain is a primary component of coal, influencing its physical and chemical properties.
Understanding the optical properties of coal is crucial for applications in energy and materials science.

Purpose of the Study:

To determine the optical properties (reflectivity, refractive index, absorption index) of bituminous coal vitrain.
To infer the molecular structure of coal vitrain based on its spectral characteristics.

Main Methods:

Spectroscopic analysis in the ultraviolet-visible (UV-Vis) region.
Measurement of reflectivity, refractive index, and absorption index spectra.

Main Results:

Low values for reflectivity, refractive index, and absorption index were observed.

Keywords:

GENETICS VIRUSES

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The spectral data suggest a limited presence of polynuclear condensed aromatics.

Conclusions:

The optical properties indicate that aliphatic and amorphous carbons may be the predominant components in coal vitrain.
These findings contribute to understanding coal composition and its potential applications.