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borax bead
noun
, Chemistry.
- a bead of fused borax, used in chemical analysis for the identification of certain metal oxides.
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Example Sentences
Uranium colours the borax-bead yellowish-green in the oxidising, and green in the reducing, flame.
From Project Gutenberg
Substances containing chromium impart a green colour to the borax bead in both flames.
From Project Gutenberg
The borax-bead is colourless in the oxidising, and dark-brown in the reducing, flame.
From Project Gutenberg
Didymium salts have a rose or violet colour, and impart (when in sufficient quantity) the same colour to the borax bead.
From Project Gutenberg
With borax bead it reacts for iron and sometimes for manganese.
From Project Gutenberg
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