borax bead
Americannoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If the separated sulphide be heated in a borax bead, the colour obtained will be a sherry brown in the outer flame, and grey or colourless in the inner flame if nickel only is present.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius
The cobalt will always change the borax bead to the blue you got; the chromium will make the bead emerald green or, in certain kinds of flame, ruby red; etc.
From Common Science by Ritchie, John W. (John Woodside)
It reacts with the borax bead for copper and iron.
From The Elements of Blowpipe Analysis by Getman, Frederick Hutton
Before the blowpipe it is infusible, but if powdered, it slowly dissolves in the molten borax bead and yields a beautiful green globule.
From Scientific American Supplement, No. 363, December 16, 1882 by Various
In borax bead it slowly dissolves to a clear transparent glass, which is a beautiful green when cool.
From The Elements of Blowpipe Analysis by Getman, Frederick Hutton
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
