Question

A method of analysis yields masses of gold that are low by 0.3 mg. This method is used for analysis of ores that assay about 3.3% gold. What minimum sample mass should be taken if the relative error resulting from a 0.3-mg loss is not to exceed

a) -0.1% in g

b) -0.4% in g

c) -0.8% in g

d) -1.1% in g

Answer 1

This method is used for the determination of gold sample has been developed for the use of gold content of placer deposits and of trace amount of gold in other geological material.