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Didymium - Wikipedia, the free encyclopedia
Didymium (Greek: ) is a mixture of the elements praseodymium and neodymium. It is used in safety glasses for glassblowing and blacksmithing, especially when a gas (propane) powered forge is used, whe...
en.wikipedia.org/wiki/Didymium |
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Keep your eyes protected! ... Enhanced Didymium; More of the Didymium (we carry 202ACE) standard glass workers glasses, blocks bright yellow flare, but not much UV and no IR. You may not require UV and IR protection. Most soft glass beadmakers use this filtering lens.
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Phillips Ace-202 Didymium Designer Metal Copper Frame; $99.99 ; Executive metal safety frame. This sophisticated look comes with spring hinges and removable side shields. Very stylish and extremely durable.
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Didymium is a name given to a rare earth mixture. The glasses have a sharp absorption of the sodium lines but are not very useful at other wavelengths. I would not recommend these glasses for use for any purpose other than there intended use i.e. glassblowers filters for the prevalent sodium emission lines.
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Rose Didymium Glass TECHNICAL DATA ... Rose didymium is a high luminous transmittance filter specifically designed to absorb bright yellow sodium flare (589 nm) which occurs when heating glass. Didymium lenses protect the eyes from certain visible and UV light produced in the glassblowing process.
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Didymium reference material (neodymium & praesodymium) in perchloric acid. for the Assessment of wavelength scale accuracy in both UV and visible regions. Far UV quartz cells that have been permanently heat sealed. ... Didymium – UV and Visible Wavelength reference materials...
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This interactive Java tutorial explores how didymium filters act to enhance certain tones and hues in color photomicrography. ... The tutorial initializes with a randomly selected specimen appearing in the window without the advantage of being viewed through a didymium filter. In order to operate the tutorial,
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Didymium Safety Glasses w/Side Shields, Price: $40.15, Didymium Glass absorbs the bright yellow sodium flare (589 NM) which occurs when heating glass in the torch flame. They allow safe viewing of glass as it is worked in the flame. ... Tools → Safety Equipment → Didymium Safety Glasses w/Side Shields...
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These advanced version Rose Didymium Safety Glasses are recommended as eye protection for beginning lamp-working using hot head torches and MAPP gas or propane torches with soft glass. Also for periodically viewing small kilns.
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Seven strains of the Central American A1 mating series of Didymium iridis were crossed in all possible combinations. ... Uniparental inheritance was also found in Didymium iridis, though either parent seemed equally likely to be the mitochondrial donor in the cross studied (Silliker and Collins 1988 ). A low incidence...
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