Table 3.

Gravimetric comparisons

Generated values		Run A	Run B
Mean saturator temperature		−49.47 °C	−55.04 °C
Mean saturator pressure		4092. Pa	4630. Pa
Mean mixing ratio		0.71914 g/Kg	0.28989 g/Kg
Uncertainties		Mixing ratio
Saturator temperature	± 0.03 °C	$\begin{array}{c}+0.00266\\ -0.00261\end{array}\}\text{g/Kg}$	$\begin{array}{c}+0.00113\\ -0.00112\end{array}\}\text{g/Kg}$
	Percent
Saturator pressure	± 0.02	$\begin{array}{c}+0.00146\\ -0.00141\end{array}\}\text{g/Kg}$	± 0.00058 g/Kg
Vapor pressure equation	± 0.14	$\begin{array}{c}+0.00103\\ -0.00098\end{array}\}\text{g/Kg}$
	± 0.16		± 0.00046 g/Kg
Enhancement factor	± 0.05	$\begin{array}{c}+0.00038\\ -0.00034\end{array}\}\text{g/Kg}$
	± 0.08		± 0.00023 g/Kg
Missing data		$\begin{array}{c}+0.00059\\ -0.00046\end{array}\}\text{g/Kg}$	± 0.000l5 g/Kg
Total		$\begin{array}{c}+0.00612\\ -0.00518\end{array}\}\text{g/Kg}$	$\begin{array}{c}+0.00255\\ -0.00254\end{array}\}\text{g/Kg}$
Gravimetric values
Weight of collected water		0.7358 ± 0.00044 g	0.36775 ± 0.00044 g
Weight of expended nitrogen		1016.83 ± 0.34 g	1299.78 ± 0.34 g
Additional uncertainties
Correction for 3d tube pickup		− 0.00501 g	− 0.00627 g
Weight of uncollected water		+ 0.0049 g	+ 0.0050 g
Comparison		$0.71914\begin{array}{c}+0.00612\\ -0.00580\end{array}\}\text{g/Kg}$	$0.28989\begin{array}{c}+0.00255\\ -0.00254\end{array}\}\text{g/Kg}$
Generated mixing ratio
Gravimetrically measured Mixing ratio		$0.72362\begin{array}{c}+0.00550\\ -0.00570\end{array}\}\text{g/Kg}$	$0.28293\begin{array}{c}+0.00426\\ -0.00523\end{array}\}\text{g/Kg}$
• Equivalent generated frost-point		− 48.784 ± 0.034°C	− 55.028 ± 0.034°C
Gravimetrically determined Frost-point		$48.733\begin{array}{c}+0.093\\ -0.097\end{array}\}\circ \text{C}$	$-55.216\begin{array}{c}+0.150\\ -0.178\end{array}\}\circ \text{C}$