Table 1.

Representative uncertainty budget for a microdrop deposition. These data correspond to the third data point in Figure 4.

Term	value		u
${\mathit{m}}_{\mathbf{f}}({\mathit{t}}_{\mathbf{d}})$	31.8863	mg	0.0012	mg
${\mathit{m}}_{\mathbf{r}}({\mathit{t}}_{\mathbf{d}})$	26.1471	mg	0.0042	mg
${\mathit{m}}_{\mathbf{f}}({\mathit{t}}_{\mathbf{f}})$	31.9088	mg	0.0040	mg
${\mathit{m}}_{\mathbf{e}}$	24.9354	mg	0.010	mg
${\mathit{b}}_{\mathrm{f}}$	0.99890		0.00013
${\mathit{u}}_{\text{bal}}$			0.0006	mg
${\mathit{A}}_{\mathbf{d}}$	831.60	Bq	0.59	Bq
${\mathit{A}}_{\mathbf{m}}^0$ (Eq. 4)	144.27		0.17	Bq/mg
${\mathit{A}}_{\mathbf{m}}^0$ (Eq. 5)	144.17		0.18	Bq/mg