Volumetric glassware is typically calibrated at what temperature?

The correct response indicates that volumetric glassware is typically calibrated at 20 degrees Celsius. This standard calibration temperature is widely accepted in laboratory practices because it represents an optimal and consistent condition for measurements, taking into account the density and viscosity of liquids, which can vary with temperature.

At 20 degrees Celsius, volumetric glassware, such as pipettes and volumetric flasks, achieves a balance that minimizes the effects of thermal expansion and ensures accuracy in the volume of liquids measured. Calibration at this temperature helps maintain uniformity and reliability in scientific measurements, which is crucial for obtaining precise results in laboratory analyses.

Understanding the significance of the calibration temperature helps laboratory analysts ensure that measurements taken with this glassware are valid and consistent across different experiments and conditions. Therefore, being aware of the standard calibration temperature is essential for any laboratory work involving volumetric measurements.