Döbereiner's lamp

Hamburg Museum 2010-1207-217

Johann Wolfgang Döbereiner

Döbereiner fire gadget

Döbereiner Feuerzeug G. Piegler ca. 1830

Rechnung Gottfried Piegler

Döbereiner's Lamp was an important invention in the early 19th century that marked a significant advancement in the development of chemical reaction-based light sources. This device, created by German chemist Johann Wolfgang Döbereiner in 1823, is often cited as an early example of a lighter.

History

In the early 1820s, Döbereiner discovered that a jet of hydrogen gas would spontaneously ignite when brought into contact with a platinum sponge. This reaction is based on the principle of catalysis, where the platinum acts as a catalyst to ignite the hydrogen gas without the need for an external spark or flame. Döbereiner's discovery was among the first practical applications of catalysis in chemistry.

Design and Function

The design of Döbereiner's Lamp was relatively simple. It consisted of a glass container filled with zinc and sulfuric acid. The reaction between the zinc and sulfuric acid produced hydrogen gas. This gas was then directed through a nozzle to a platinum sponge. When the hydrogen gas came into contact with the platinum, it ignited, producing a flame. This flame could then be used to light cigars or candles.

The lamp was a marvel of its time, showcasing the potential of chemical reactions to create useful, everyday tools. It was also one of the first instances of a lighter, predating modern mechanical and electrical lighters by many years.

Impact

Döbereiner's Lamp had a significant impact on the scientific community and the general public. It demonstrated the practical application of chemical principles and catalysis, inspiring further research and development in the field of chemistry. The lamp was widely used and admired for its simplicity and effectiveness.

Legacy

While Döbereiner's Lamp is no longer in use today, its principles have influenced the development of modern lighting and ignition systems. The concept of catalytic ignition, in particular, has been applied in various fields, including the automotive industry for the catalytic conversion of exhaust gases.

The invention of Döbereiner's Lamp is a testament to the ingenuity of early 19th-century science and its capacity to harness chemical reactions for practical applications. It remains a significant milestone in the history of chemistry and technology.