Definitions
from The Century Dictionary.
- noun Metallic zinc in the condition of a fine powder, produced by grinding in an iron mortar heated to 200–250° C., and obtained to a considerable extent by the rapid cooling of zinc vapor in the reduction of the metal from its ores. In the latter case there is mixed with the powder more or less zinc oxid. Zinc-dust is much used as a deoxidizing agent in the operations of dyeing and calico-printing, sometimes also as a protective paint for ironwork. Also called
zinc-powder .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word zinc-dust.
Examples
-
His pupils Graebe and Liebermann, with the help of the zinc-dust distillation developed by Baeyer, clarified the structure of alizarin and worked out the synthesis used industrially.
-
It is produced by the action of zinc-dust on the acid sulphite of soda.
Scientific American Supplement, No. 447, July 26, 1884 Various
-
The acid sulphite of soda, at a strength of 50 or 60 Twaddell (specific gravity 1.26 to 1.3), is placed in the cask, and zinc-dust is added, with frequent stirring.
Scientific American Supplement, No. 447, July 26, 1884 Various
-
The NO_ {2} group is at the moment of solution fixed upon the phenol with the production of mono-nitro-phenol, which is afterwards reduced by the action of the zinc-dust into the amido derivative.
-
From 3 to 4 grms. of zinc-dust is then cautiously and gradually added, the temperature of the mass being kept down until complete reduction has been effected.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.