Which of the following factors is crucial in selecting sample containers?

When selecting sample containers, the shape of the container is crucial because it directly influences the handling and storage of the samples. Different samples or testing procedures may require specific shapes to ensure they fit properly in equipment or maintain the integrity of the sample. For example, some shapes may be better suited for minimizing contamination or evaporation, while others may facilitate better mixing or preservation of the sample material.

The choice of shape can also affect the ease of sampling, transportation, and analysis. For instance, certain shapes might allow for better access to the sample material or minimize the risk of spills during handling. Therefore, considering the shape in the context of the intended use of the container is essential for accurate and effective sampling.