rong></dt><dd><p>Saturation pressure in MPa.</p>
</dd>
</dl>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><dl class="simple">
<dt>Ts: float or 1d-array</dt><dd><p>Saturation temperatur in K. Is NaN if Ts is out of range of validity.</p>
</dd>
</dl>
</dd>
</dl>
</dd></dl>

<dl class="py function">
<dt class="sig sig-object py" id="pyiapws.gases">
<span class="sig-name descname"><span class="pre">gases</span></span><span class="sig-paren">(</span><em class="sig-