The other factors influencing the size of lead buttons in fire assay are also discussed.
对影响铅扣大小的其他因素进行了探讨。
The trace Rh was concentrated with minified nickel sulfide fire assay before it was determined.
测定之前，痕量铑用小硫化镍试金富集分离。
In this paper, the method, step and requirement to determine gold and silver content of gold-bearing quartz by fire assay are described.
本文说明了用火试金法测定金块矿中金和银量的方法、步骤。
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