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Table 3 Uncertainty due to balance of Mettler make balance model AX-105 (110 g)

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