একটি ছোট ঝাঁঝর হাড় ছাই দিয়ে তৈরি বাটি উদাঃ থেকে মূল্যবান ধাতু পৃথক করার assaying ব্যবহৃত নেতৃত্ব

cupel's Usage Examples:

Cupel may refer to: A porous pot used in cupellation Cupel, Białobrzegi County in Masovian Voivodeship (east-central Poland) Cupel, Legionowo County in.

the cupels.

Moulds were made out of copper with no bottoms so that the cupels could be taken off.

A shallow depression in the centre of the cupel was.

and is drawn into the pores of the cupel by capillary attraction.

The precious metals remain in the base of the cupel as a 'prill' which is sent for final.

it is added to the cupel.

The cupel is placed in the furnace and copper is separated into the lead which forms lithage in the cupel leaving the noble metal.

scorifier which is similar to a cupel but slightly larger and removes the lead and leaves the noble metals behind.

cupel's Meaning':

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