cupel meaning in Hindi

Noun
• ताव

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It was carried out in small shallow recipients known as cupels.
Cupel sizes depend on the amount of material to be assayed.
The scorifier is removed and the metal transferred to the cupel.
The primary tool for small scale cupellation was the cupel.
The cupel should be heated at the same time.
Cupels were manufactured in a very careful way.
A shallow depression in the centre of the cupel was made with a rounded pestle.
Moulds were made out of brass with no bottoms so that the cupels could be taken off.
The correct method of preparation of the cupels is covered in detail with beech ashes being preferred.
Lead was melted in a bone ash'test'or'cupel'and air blown across the surface.

noun.

a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
synonyms：,