When sending samples to a laboratory, which aspect is crucial for proper analysis?

Ensuring samples are properly packed and labeled is crucial for proper analysis when sending samples to a laboratory. Proper packing is essential because it protects the samples from damage during transit, which could affect the results of the analysis. Similarly, proper labeling provides important information about the samples, such as their origin, the conditions they were collected under, and any specific tests that need to be conducted. This information allows the laboratory technicians to handle the samples correctly and efficiently, ensuring that the analysis is reliable and the results are valid.

The other aspects mentioned, while important in their own right, do not hold the same level of impact in the context of proper analysis. For instance, while thoroughly cleaned samples can be important for some types of analyses, the packing and labeling ensure that the lab receives the necessary context to interpret the results correctly. Removing excess moisture can be crucial for certain tests, but without proper packaging and clear labeling, even well-prepared samples may lead to inaccurate results. Thus, maintaining rigorous standards in packing and labeling is vital to support accurate and meaningful analysis in a laboratory setting.