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Table 6 Uncertainty in volume made up to 50 mL [V TEST ]

From: Quantifying uncertainty in the measurement of arsenic in suspended particulate matter by Atomic Absorption Spectrometry with hydride generator

Uncertainty components Distribution Calibration uncertainty Standard uncertainty
± μ(x)
Calibration uncertainty of flask as per certificate; k = 2 Normal 50 ± 0.02 mL 0.02/2 = 0.01
Effect of temperature variation on 50 mL volumetric flask at 95% confidence level Rectangular 50 × *3 × 2.1 × 10-4
= 0.032
0.032/√3 = 0.018
  1. Combined Uncertainty in 50 mL volumetric flask = = 2.06 × 10-2