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Good Evening, as a new assayer,
Ι have some questions about the role in Fire Assay Method of "Fe nails" in fluxes
We have two types of fluxes the "A" flux and the "B"flux
Our choice between "A" Flux and "B" Flus depends on the sample' sulfur content
B flux used for samples containing more than
10% sulfur and consisting of litharge, sodium carbonate silicate and borax
Before the coating we are adding Iron nails in the sample which their
weight (in grams) depends on the % sulfur content of the sample.
for example: sample weight : 30 grams
SULFUR CONTET : 35%
IRON NAILS : 10 grams
B Flux weight : 140 grams
KNO3 : 7 grams
(For coating we use potassium nitrate in crystalline form)
my question is how we can calculate the amount of iron nails?
Thank you very much
With appreciation
Stelios