-40%
collections for gold filtering //cupels , lead and crucible
$ 15.83
- Description
- Size Guide
Description
Gold recovery refining lot of cupels and lead and Quartz ceramic crucible184
g lead tape :
Lead tape with 99.99% purity with very low Ag content It is used in the cupellation phase for the removal all non-precious metals from a weighed small sample
Lot of : 10 Cupels (
size
4A ) absorb 15 grams of lead.
2
Cupels (size 8AM ) absorb 75 grams of lead.
pure bone ash cupels made from the best bone ash. these are new . never used and super clean
Cupels are typically made from magnesia MgO
and bone ash.
Used for smelting and assaying
3 pieces Quartz ceramic crucible . Quartz Silica Melting Crucible Pot for Gold Silver Platinum Refining!