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borax bead

American  

noun

Chemistry.
  1. a bead of fused borax, used in chemical analysis for the identification of certain metal oxides.


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.

In flame on platinum wire____ With borax bead on platinum wire.

From The Elements of Blowpipe Analysis by Getman, Frederick Hutton

In flame on platinum wire____ With borax bead.

From The Elements of Blowpipe Analysis by Getman, Frederick Hutton

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

In flame on platinum wire____ With borax bead on platinum wire.

From The Elements of Blowpipe Analysis by Getman, Frederick Hutton

A medium is a more subtle instrument than a balance or a borax bead, and see how long it is before you can get assured results with a borax bead!

From Love and Mr. Lewisham by Wells, H. G. (Herbert George)