bone-ash and magnesia cupels respectively-cs ceramic

At present there is little evidence as to the comparative variations in the absorption of silver and gold by bone-ash and magnesia cupels respectively, but it would appear from the data published that the absorption is less with magnesia cupels than with bone-ash. Whatever cupels are used, the absorption should be tested frequently

magnesium oxide and bone ash cupels	magnesium oxide and bone ash cupels	Magnesium sand cupel	Ceramic Couple
Plate cupel	Fire assay cupel	magnesia boat crucible	magnesium oxide crucible

total : 125    page : 1 / 8             turn to