Definition of Cupel dust. Meaning of Cupel dust. Synonyms of Cupel dust

Here you will find one or more explanations in English for the word Cupel dust. Also in the bottom left of the page several parts of wikipedia pages related to the word Cupel dust and, of course, Cupel dust synonyms and on the right images related to the word Cupel dust.

Definition of Cupel dust

Cupel dust
Cupel Cu"pel (k[=u]"p[e^]l), n. [LL. cupella cup (cf. L. cupella, small cask, dim. of cupa) : cf. F. coupelle. See Cup, and cf. Coblet.] A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime). [Written also coppel.] Cupel dust, powder used in purifying metals.

Meaning of Cupel dust from wikipedia

- and fraud. Cupellation: the lead bullets are placed in porous crucibles (cupels) of bone ash or magnesium oxide and heated in air to about 1,000 °C. This...
- sconcheon/scuncheon cūpa cūp- tub, goblet, cask cooper, cooperage, cup, cupel, cupellation, cupola, cu**** †cūpella cūpell- †cū**** cūpul- cura cur- care...
- remove residual copper. What remained in solid form was then melted in a cupel furnace, after adding some silica sand and sodium carbonate, and cast into...