Used in scientific, technical, and testing contexts for a physical sample or specimen taken for analysis or examination.
We analyzed the sample in the laboratory.
Please confirm that this specimen is not contaminated.
They collected a sample from the soil and analyzed it.
I had this sample analyzed at the laboratory.
The sample needs to be prepared before the experiment.
標本 refers to a specimen preserved for display or long-term study, whereas 試料 is a sample collected specifically for analysis or testing.
検体 is used specifically for biological or medical specimens submitted for testing, while 試料 is the broader scientific/technical term for any test sample.
試料 (a physical test sample) and 資料 (reference materials or data) are pronounced identically but refer to completely different things.
sample chamber
Compound of 試 (test, try) and 料 (material, fee). The combination conveys 'material for testing'.