Gas mantle - Wikipedia
In 1891 he perfected a new mixture of 99% thorium dioxide and 1% cerium dioxide that gave off a much whiter light and produced a stronger mantle. After introducing this new mantle commercially in 1892, it quickly spread throughout Europe.
Incandescent Gas Lantern Mantles - Museum of Radiation and …
The thorium-containing incandescent mantle was invented in 1884 by Carl Auer von Welsbach, an Austrian chemist, and it is sometimes referred to as a “Welsbach mantle” or “Auerlicht.” This invention resulted in the first commercial use of the element thorium.
The Radioactivity of Thorium in Lanterns
Though escaping bits of thorium particles are mostly blocked by the glass that surround the lantern, consuming or even smelling thorium can result in health problems, such as lung and bone cancer if consumed in large amounts that surpasses the natural thorium exposure limit.
Thorium / Radioactivity in Coleman Mantles - Classic Pressure …
2022年8月14日 · There isn't any Thorium in the Coleman Gold Top mantles. All currently produced Coleman mantles are non-radioactive, the #21A included. The older Coleman Silk Lites are thoriated.
How Gas Lanterns Work - HowStuffWorks
Mantles start out as silk fabric sacks impregnated with different oxides. The standard for decades has been the Welsbach mantle, which uses a mixture of thorium oxide, cerium oxide and magnesium oxide.
The Radioactivity of Thorium Incandescent Gas Lantern Mantles
2021年2月1日 · For elemental content, the lantern mantles were analysed using an inductively coupled plasma optical emission spectroscopy facility (ICP-OES, Avio 200, PerkinElmer, Waltham, MA, USA), in particular obtaining the amount of thorium in the mantle.
The Thorium Lantern: Your Opportunity for Retail Radiation ... - Gizmodo
2012年3月2日 · Chemist Carl Auer von Welsbach is the father of modern gas mantles, experimenting with several mixtures of rare earth metals before settling on a mantle mixture containing 99% Thorium dioxide.
Are camp lanterns radioactive? - The Straight Dope
2003年12月5日 · But you know what? Radioactive lantern wicks aren’t a modern threat. Properly known as thorium gas mantles, they were perfected in 1891 by Austrian chemist Carl Auer von Welsbach (1858-1929).
The Radioactivity of Thorium Incandescent Gas Lantern Mantles
2021年2月1日 · The use of thorium in providing the intense white luminescence emitted from gas mantles, has a history of some 130 years, the initial application pre-dating by several decades large-scale urban...
Gas mantles: FAQ - Just Mantles
Since Thorium is radioactive, and produces a radioactive gas, radon-220, as one of its decay products, there are concerns about the safety of thorium mantles, although there is only a negligible amount of Thorium content in each mantle.
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