From: A rugged, precise and accurate new gravimetry method for the determination of gold: an alternative to fire assay method
Balance used for weighing
Average weight taken (Au-1 to Au- 5) for analysis (g)
Uncertainty in weight as per certificate at k = 2 (g)
Distribution
Standard uncertainty; ustd
Mettler Toledo Model AX-105
0.20058
0.00001
Normal
0.00001/2 = 5 × 10-6