| slovo | definícia |
cupel
(encz) | cupel,kapelka Zdeněk Brož |
Cupel
(gcide) | 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.]
[1913 Webster]
Cupel dust, powder used in purifying metals.
[1913 Webster] |
Cupel
(gcide) | Cupel \Cu*pel"\ (k[-u]*p[e^]l"), v. t. [imp. & p. p. Cupelled
(-p?ld"); p. pr. & vb. n. Cupelling.]
To refine by means of a cupel.
[1913 Webster] |
cupel
(wn) | cupel
n 1: a small porous bowl made of bone ash used in assaying to
separate precious metals from e.g. lead [syn: {bone-ash
cup}, cupel, refractory pot] |
| | podobné slovo | definícia |
cupel
(encz) | cupel,kapelka Zdeněk Brož |
Cupel dust
(gcide) | 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.]
[1913 Webster]
Cupel dust, powder used in purifying metals.
[1913 Webster] |
Cupellation
(gcide) | Cupellation \Cu`pel*la"tion\ (k[=u]`p[e^]l*l[=a]"sh[u^]n) n.
[See Cupel.]
The act or process of refining gold or silver, etc., in a
cupel.
[1913 Webster]
Note: The process consist in exposing the cupel containing
the metal to be assayed or refined to a hot blast, by
which the lead, copper, tin, etc., are oxidized,
dissolved, and carried down into the porous cupel,
leaving the unoxidizable precious metal. If lead is not
already present in the alloy it must be added before
cupellation.
[1913 Webster] |
Cupelled
(gcide) | Cupel \Cu*pel"\ (k[-u]*p[e^]l"), v. t. [imp. & p. p. Cupelled
(-p?ld"); p. pr. & vb. n. Cupelling.]
To refine by means of a cupel.
[1913 Webster] |
Cupelling
(gcide) | Cupel \Cu*pel"\ (k[-u]*p[e^]l"), v. t. [imp. & p. p. Cupelled
(-p?ld"); p. pr. & vb. n. Cupelling.]
To refine by means of a cupel.
[1913 Webster] |
cupel
(wn) | cupel
n 1: a small porous bowl made of bone ash used in assaying to
separate precious metals from e.g. lead [syn: {bone-ash
cup}, cupel, refractory pot] |
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