What is a characteristic of separating calorimeters?

Separating calorimeters are specifically designed to accurately measure the enthalpy of steam and water mixtures, particularly in the case of high moisture content. This characteristic makes them suitable for applications where the steam has a high proportion of water, as they can effectively separate the liquid phase from the vapor phase before measuring the enthalpy.

In contrast, throttling calorimeters, which are typically used for measuring enthalpy changes in a single phase or situations where the moisture content is lower, may not handle higher moisture content effectively without running into condensation issues that can affect accuracy. Therefore, the separating calorimeter's ability to handle higher moisture content while providing precise measurements differentiates it from other types of calorimeters.